Add ingestion for Finding Evidence

This will add evidence ingestion for both the existing service
and the new ingestion service.

Changelog: added
EE: true

ee/app/finders/security/findings_finder.rb

@@ -47,13 +47,14 @@ module Security
       report_finding = report_finding_for(security_finding)
       return Vulnerabilities::Finding.new unless report_finding
 
-      finding_data = report_finding.to_hash.except(:compare_key, :identifiers, :location, :scanner, :links, :signatures, :flags)
+      finding_data = report_finding.to_hash.except(:compare_key, :identifiers, :location, :scanner, :links, :signatures, :flags, :evidence)
       identifiers = report_finding.identifiers.map do |identifier|
         Vulnerabilities::Identifier.new(identifier.to_hash)
       end
       signatures = report_finding.signatures.map do |signature|
         Vulnerabilities::FindingSignature.new(signature.to_hash)
       end
+      evidence = Vulnerabilities::Finding::Evidence.new(data: report_finding.evidence.data) if report_finding.evidence
 
       Vulnerabilities::Finding.new(finding_data).tap do |finding|
         finding.location_fingerprint = report_finding.location.fingerprint
@@ -61,6 +62,7 @@ module Security
         finding.project = project
         finding.sha = pipeline.sha
         finding.scanner = security_finding.scanner
+        finding.finding_evidence = evidence
 
         if calculate_false_positive?
           finding.vulnerability_flags = report_finding.flags.map do |flag|

ee/app/finders/security/pipeline_vulnerabilities_finder.rb

@@ -82,7 +82,7 @@ module Security
     def normalize_report_findings(report_findings, vulnerabilities)
       report_findings.map do |report_finding|
         finding_hash = report_finding.to_hash
-          .except(:compare_key, :identifiers, :location, :scanner, :links, :signatures, :flags)
+          .except(:compare_key, :identifiers, :location, :scanner, :links, :signatures, :flags, :evidence)
 
         finding = Vulnerabilities::Finding.new(finding_hash)
         # assigning Vulnerabilities to Findings to enable the computed state
@@ -100,6 +100,7 @@ module Security
         finding.signatures = report_finding.signatures.map do |signature|
           Vulnerabilities::FindingSignature.new(signature.to_hash)
         end
+        finding.finding_evidence = Vulnerabilities::Finding::Evidence.new(data: report_finding.evidence.data) if report_finding.evidence
 
         if calculate_false_positive?
           finding.vulnerability_flags = report_finding.flags.map do |flag|

ee/app/models/vulnerabilities/finding.rb

@@ -293,6 +293,8 @@ module Vulnerabilities
     def evidence
       evidence_data = finding_evidence.present? && Feature.enabled?(:read_from_vulnerability_finding_evidence) ? finding_evidence.data : metadata.dig('evidence')
 
+      return if evidence_data.nil?
+
       {
         summary: evidence_data&.dig('summary'),
         request: build_evidence_request(evidence_data&.dig('request')),

ee/app/serializers/vulnerabilities/finding_entity.rb

@@ -40,11 +40,11 @@ class Vulnerabilities::FindingEntity < Grape::Entity
     expose :location
     expose :remediations
     expose :solution
-    expose(:evidence) { |model, _| model.evidence[:summary] }
-    expose(:request, using: Vulnerabilities::RequestEntity) { |model, _| model.evidence[:request] }
-    expose(:response, using: Vulnerabilities::ResponseEntity) { |model, _| model.evidence[:response] }
-    expose(:evidence_source) { |model, _| model.evidence[:source] }
-    expose(:supporting_messages) { |model, _| model.evidence[:supporting_messages]}
+    expose(:evidence) { |model, _| model.evidence&.dig(:summary) }
+    expose(:request, using: Vulnerabilities::RequestEntity) { |model, _| model.evidence&.dig(:request) }
+    expose(:response, using: Vulnerabilities::ResponseEntity) { |model, _| model.evidence&.dig(:response) }
+    expose(:evidence_source) { |model, _| model.evidence&.dig(:source) }
+    expose(:supporting_messages) { |model, _| model.evidence&.dig(:supporting_messages)}
     expose(:assets) { |model, _| model.assets }
   end
 

ee/app/services/security/ingestion/finding_map.rb

@@ -17,6 +17,7 @@ module Security
       delegate :scan, to: :security_finding, private: true
       delegate :project, to: :scan, private: true
       delegate :project_fingerprint, to: :report_finding, private: true
+      delegate :evidence, to: :report_finding
 
       def initialize(security_finding, report_finding)
         @security_finding = security_finding

ee/app/services/security/ingestion/ingest_report_slice_service.rb

@@ -16,6 +16,7 @@ module Security
         IngestFindingIdentifiers
         IngestFindingLinks
         IngestFindingSignatures
+        IngestFindingEvidence
         IngestVulnerabilityFlags
         IngestIssueLinks
         IngestVulnerabilityStatistics

ee/app/services/security/ingestion/tasks/ingest_finding_evidence.rb

+# frozen_string_literal: true
+
+module Security
+  module Ingestion
+    module Tasks
+      # Creates new `Vulnerabilities::Finding::Evidence` records.
+      class IngestFindingEvidence < AbstractTask
+        include BulkInsertableTask
+
+        self.model = Vulnerabilities::Finding::Evidence
+        self.unique_by = :vulnerability_occurrence_id
+
+        private
+
+        def attributes
+          finding_maps.select(&:evidence).map do |finding_map|
+            {
+              vulnerability_occurrence_id: finding_map.finding_id,
+              data: finding_map.evidence.data
+            }
+          end
+        end
+      end
+    end
+  end
+end

ee/spec/finders/security/pipeline_vulnerabilities_finder_spec.rb

@@ -522,6 +522,16 @@ RSpec.describe Security::PipelineVulnerabilitiesFinder do
       end
     end
 
+    context 'when evidence is not provided in the report findings' do
+      let!(:artifact_sast) { create(:ee_ci_job_artifact, :sast, job: build_sast, project: project) }
+
+      it 'does not set the evidences for findings' do
+        evidences = subject.findings.select(&:sast?).map(&:evidence)
+
+        expect(evidences.compact).to be_empty
+      end
+    end
+
     def read_fixture(fixture)
       Gitlab::Json.parse(File.read(fixture.file.path))
     end

ee/spec/fixtures/security_reports/master/gl-dast-report-14.0.2.json

@@ -162,7 +162,7 @@
           "reason_phrase": "OK",
           "status_code": 200
         },
-        "summary": ""
+        "summary": "Evidence summary"
       },
       "id": "47308329-7297-4f8f-b98e-1cc33f26fad4",
       "identifiers": [
@@ -186,9 +186,9 @@
       ],
       "location": {
         "hostname": "http://pancakes",
-        "method": "",
+        "method": "GET",
         "param": "",
-        "path": ""
+        "path": "/WebGoat/plugins/bootstrap/css/pancakes.css"
       },
       "message": "Content Security Policy (CSP) Header Not Set",
       "scanner": {

ee/spec/lib/gitlab/ci/parsers/security/dast_spec.rb

@@ -14,17 +14,20 @@ RSpec.describe Gitlab::Ci::Parsers::Security::Dast do
     where(:report_format,
           :occurrence_count,
           :identifier_count,
+          :evidence_count,
           :scanner_count,
           :scanned_resources_count,
           :last_occurrence_hostname,
           :last_occurrence_method_name,
           :last_occurrence_path,
           :last_occurrence_severity,
-          :last_occurrence_confidence) do
-      :dast                             | 24 | 15 | 1 | 6 | 'http://goat:8080' | 'GET' | '/WebGoat/plugins/bootstrap/css/bootstrap.min.css' | 'info' | 'low'
-      :dast_multiple_sites              | 25 | 15 | 1 | 0 | 'http://goat:8080' | 'GET' | '/WebGoat/plugins/bootstrap/css/bootstrap.min.css' | 'info' | 'low'
-      :dast_deprecated_no_spider        | 2  | 3  | 1 | 0 | 'http://bikebilly-spring-auto-devops-review-feature-br-3y2gpb.35.192.176.43.xip.io' | 'GET' | '/' | 'low' | 'medium'
-      :dast_deprecated_no_common_fields | 24 | 15 | 1 | 0 | 'http://goat:8080' | 'GET' | '/WebGoat/plugins/bootstrap/css/bootstrap.min.css' | 'info' | 'low'
+          :last_occurrence_confidence,
+          :last_occurrence_evidence_summary) do
+      :dast                             | 24 | 15 | 1 | 1 | 6 | 'http://goat:8080' | 'GET' | '/WebGoat/plugins/bootstrap/css/bootstrap.min.css' | 'info' | 'low' | nil
+      :dast_multiple_sites              | 25 | 15 | 1 | 1 | 0 | 'http://goat:8080' | 'GET' | '/WebGoat/plugins/bootstrap/css/bootstrap.min.css' | 'info' | 'low' | nil
+      :dast_deprecated_no_spider        | 2  | 3  | 1 | 1 | 0 | 'http://bikebilly-spring-auto-devops-review-feature-br-3y2gpb.35.192.176.43.xip.io' | 'GET' | '/' | 'low' | 'medium' | nil
+      :dast_deprecated_no_common_fields | 24 | 15 | 1 | 1 | 0 | 'http://goat:8080' | 'GET' | '/WebGoat/plugins/bootstrap/css/bootstrap.min.css' | 'info' | 'low' | nil
+      :dast_14_0_2                      | 1  | 2  | 1 | 1 | 3 | 'http://pancakes' | 'GET' | '/WebGoat/plugins/bootstrap/css/pancakes.css' | 'medium' | 'high' | "Evidence summary"
     end
 
     with_them do
@@ -51,6 +54,11 @@ RSpec.describe Gitlab::Ci::Parsers::Security::Dast do
         )
       end
 
+      it 'generates expected evidence' do
+        evidence = report.findings.last.evidence
+        expect(evidence&.data&.dig('summary')).to eq(last_occurrence_evidence_summary)
+      end
+
       describe 'occurrence properties' do
         where(:attribute, :value) do
           :report_type | 'dast'

ee/spec/lib/gitlab/ci/reports/security/finding_spec.rb

@@ -13,6 +13,7 @@ RSpec.describe Gitlab::Ci::Reports::Security::Finding do
     let_it_be(:link) { build(:ci_reports_security_link) }
     let_it_be(:scanner) { build(:ci_reports_security_scanner) }
     let_it_be(:location) { build(:ci_reports_security_locations_sast) }
+    let_it_be(:evidence) { build(:ci_reports_security_evidence)}
     let_it_be(:remediation) { build(:ci_reports_security_remediation) }
 
     let(:flag_1) { build(:ci_reports_security_flag) }
@@ -27,6 +28,7 @@ RSpec.describe Gitlab::Ci::Reports::Security::Finding do
         flags: [flag_1, flag_2],
         remediations: [remediation],
         location: location,
+        evidence: evidence,
         metadata_version: 'sast:1.0',
         name: 'Cipher with no integrity',
         original_data: {},
@@ -69,6 +71,7 @@ RSpec.describe Gitlab::Ci::Reports::Security::Finding do
           flags: [flag_1, flag_2],
           remediations: [remediation],
           location: location,
+          evidence: evidence,
           metadata_version: 'sast:1.0',
           name: 'Cipher with no integrity',
           raw_metadata: '{}',
@@ -135,6 +138,7 @@ RSpec.describe Gitlab::Ci::Reports::Security::Finding do
         links: occurrence.links,
         flags: occurrence.flags,
         location: occurrence.location,
+        evidence: occurrence.evidence,
         metadata_version: occurrence.metadata_version,
         name: occurrence.name,
         project_fingerprint: occurrence.project_fingerprint,

ee/spec/models/vulnerabilities/finding_spec.rb

@@ -885,14 +885,7 @@ RSpec.describe Vulnerabilities::Finding do
         context 'has no evidence summary when evidence is present, summary is not' do
           let(:finding) { create(:vulnerabilities_finding, raw_metadata: { evidence: {} }) }
 
-          it do
-            is_expected.to match a_hash_including(
-              summary: nil,
-              source: nil,
-              supporting_messages: [],
-              request: nil,
-              response: nil)
-          end
+          it { is_expected.to be_nil }
         end
       end
 

ee/spec/services/security/ingestion/ingest_report_slice_service_spec.rb

@@ -29,6 +29,7 @@ RSpec.describe Security::Ingestion::IngestReportSliceService do
       expect(Security::Ingestion::Tasks::IngestFindingIdentifiers).to have_received(:execute).ordered.with(pipeline, finding_maps)
       expect(Security::Ingestion::Tasks::IngestFindingLinks).to have_received(:execute).ordered.with(pipeline, finding_maps)
       expect(Security::Ingestion::Tasks::IngestFindingSignatures).to have_received(:execute).ordered.with(pipeline, finding_maps)
+      expect(Security::Ingestion::Tasks::IngestFindingEvidence).to have_received(:execute).ordered.with(pipeline, finding_maps)
       expect(Security::Ingestion::Tasks::IngestVulnerabilityFlags).to have_received(:execute).ordered.with(pipeline, finding_maps)
       expect(Security::Ingestion::Tasks::IngestIssueLinks).to have_received(:execute).ordered.with(pipeline, finding_maps)
       expect(Security::Ingestion::Tasks::IngestVulnerabilityStatistics).to have_received(:execute).ordered.with(pipeline, finding_maps)

ee/spec/services/security/ingestion/tasks/ingest_finding_evidence_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Security::Ingestion::Tasks::IngestFindingEvidence do
+  describe '#execute' do
+    let(:pipeline) { create(:ci_pipeline) }
+    let(:finding_evidence) { create(:ci_reports_security_evidence) }
+    let(:finding_1) { create(:vulnerabilities_finding) }
+    let(:finding_2) { create(:vulnerabilities_finding) }
+    let(:report_finding_1) { create(:ci_reports_security_finding, evidence: finding_evidence) }
+    let(:report_finding_2) { create(:ci_reports_security_finding, evidence: finding_evidence) }
+    let(:finding_map_1) { create(:finding_map, finding: finding_1, report_finding: report_finding_1) }
+    let(:finding_map_2) { create(:finding_map, finding: finding_2, report_finding: report_finding_2) }
+    let(:service_object) { described_class.new(pipeline, [finding_map_1, finding_map_2]) }
+
+    subject(:ingest_finding_evidence) { service_object.execute }
+
+    it 'creates finding evidence for the new records' do
+      expect { ingest_finding_evidence }.to change { Vulnerabilities::Finding::Evidence.count }.by(2)
+    end
+  end
+end

lib/gitlab/ci/parsers/security/common.rb

@@ -99,6 +99,7 @@ module Gitlab
             flags = create_flags(data['flags'])
             links = create_links(data['links'])
             location = create_location(data['location'] || {})
+            evidence = create_evidence(data['evidence'])
             signatures = create_signatures(tracking_data(data))
 
             if @vulnerability_finding_signatures_enabled && !signatures.empty?
@@ -117,6 +118,7 @@ module Gitlab
                 name: finding_name(data, identifiers, location),
                 compare_key: data['cve'] || '',
                 location: location,
+                evidence: evidence,
                 severity: parse_severity_level(data['severity']),
                 confidence: parse_confidence_level(data['confidence']),
                 scanner: create_scanner(data['scanner']),
@@ -253,6 +255,12 @@ module Gitlab
             raise NotImplementedError
           end
 
+          def create_evidence(evidence_data)
+            return unless evidence_data.is_a?(Hash)
+
+            ::Gitlab::Ci::Reports::Security::Evidence.new(data: evidence_data)
+          end
+
           def finding_name(data, identifiers, location)
             return data['message'] if data['message'].present?
             return data['name'] if data['name'].present?

lib/gitlab/ci/reports/security/evidence.rb

+# frozen_string_literal: true
+
+module Gitlab
+  module Ci
+    module Reports
+      module Security
+        class Evidence
+          attr_reader :data
+
+          def initialize(data:)
+            @data = data
+          end
+        end
+      end
+    end
+  end
+end

lib/gitlab/ci/reports/security/finding.rb

@@ -13,6 +13,7 @@ module Gitlab
           attr_reader :flags
           attr_reader :links
           attr_reader :location
+          attr_reader :evidence
           attr_reader :metadata_version
           attr_reader :name
           attr_reader :old_location
@@ -33,13 +34,14 @@ module Gitlab
 
           alias_method :cve, :compare_key
 
-          def initialize(compare_key:, identifiers:, flags: [], links: [], remediations: [], location:, metadata_version:, name:, original_data:, report_type:, scanner:, scan:, uuid:, confidence: nil, severity: nil, details: {}, signatures: [], project_id: nil, vulnerability_finding_signatures_enabled: false) # rubocop:disable Metrics/ParameterLists
+          def initialize(compare_key:, identifiers:, flags: [], links: [], remediations: [], location:, evidence:, metadata_version:, name:, original_data:, report_type:, scanner:, scan:, uuid:, confidence: nil, severity: nil, details: {}, signatures: [], project_id: nil, vulnerability_finding_signatures_enabled: false) # rubocop:disable Metrics/ParameterLists
             @compare_key = compare_key
             @confidence = confidence
             @identifiers = identifiers
             @flags = flags
             @links = links
             @location = location
+            @evidence = evidence
             @metadata_version = metadata_version
             @name = name
             @original_data = original_data
@@ -65,6 +67,7 @@ module Gitlab
               flags
               links
               location
+              evidence
               metadata_version
               name
               project_fingerprint

spec/factories/ci/reports/security/evidence.rb

+# frozen_string_literal: true
+
+FactoryBot.define do
+  factory :ci_reports_security_evidence, class: '::Gitlab::Ci::Reports::Security::Evidence' do
+    data do
+      {
+        summary: 'Credit card detected',
+        request: {
+          headers: [{ name: 'Accept', value: '*/*' }],
+          method: 'GET',
+          url: 'http://goat:8080/WebGoat/logout',
+          body: nil
+        },
+        response: {
+          headers: [{ name: 'Content-Length', value: '0' }],
+          reason_phrase: 'OK',
+          status_code: 200,
+          body: nil
+        },
+        source: {
+          id: 'assert:Response Body Analysis',
+          name: 'Response Body Analysis',
+          url: 'htpp://hostname/documentation'
+        },
+        supporting_messages: [
+          {
+            name: 'Origional',
+            request: {
+              headers: [{ name: 'Accept', value: '*/*' }],
+              method: 'GET',
+              url: 'http://goat:8080/WebGoat/logout',
+              body: ''
+            }
+          },
+          {
+            name: 'Recorded',
+            request: {
+              headers: [{ name: 'Accept', value: '*/*' }],
+              method: 'GET',
+              url: 'http://goat:8080/WebGoat/logout',
+              body: ''
+            },
+            response: {
+              headers: [{ name: 'Content-Length', value: '0' }],
+              reason_phrase: 'OK',
+              status_code: 200,
+              body: ''
+            }
+          }
+        ]
+      }
+    end
+
+    skip_create
+
+    initialize_with do
+      ::Gitlab::Ci::Reports::Security::Evidence.new(**attributes)
+    end
+  end
+end

spec/factories/ci/reports/security/findings.rb

@@ -6,6 +6,7 @@ FactoryBot.define do
     confidence { :medium }
     identifiers { Array.new(1) { association(:ci_reports_security_identifier) } }
     location factory: :ci_reports_security_locations_sast
+    evidence factory: :ci_reports_security_evidence
     metadata_version { 'sast:1.0' }
     name { 'Cipher with no integrity' }
     report_type { :sast }
@@ -25,7 +26,53 @@ FactoryBot.define do
             name: "Cipher does not check for integrity first?",
             url: "https://crypto.stackexchange.com/questions/31428/pbewithmd5anddes-cipher-does-not-check-for-integrity-first"
           }
-        ]
+        ],
+        evidence: {
+          summary: 'Credit card detected',
+          request: {
+            headers: [{ name: 'Accept', value: '*/*' }],
+            method: 'GET',
+            url: 'http://goat:8080/WebGoat/logout',
+            body: nil
+          },
+          response: {
+            headers: [{ name: 'Content-Length', value: '0' }],
+            reason_phrase: 'OK',
+            status_code: 200,
+            body: nil
+          },
+          source: {
+            id: 'assert:Response Body Analysis',
+            name: 'Response Body Analysis',
+            url: 'htpp://hostname/documentation'
+          },
+          supporting_messages: [
+            {
+              name: 'Origional',
+              request: {
+                headers: [{ name: 'Accept', value: '*/*' }],
+                method: 'GET',
+                url: 'http://goat:8080/WebGoat/logout',
+                body: ''
+              }
+            },
+            {
+              name: 'Recorded',
+              request: {
+                headers: [{ name: 'Accept', value: '*/*' }],
+                method: 'GET',
+                url: 'http://goat:8080/WebGoat/logout',
+                body: ''
+              },
+              response: {
+                headers: [{ name: 'Content-Length', value: '0' }],
+                reason_phrase: 'OK',
+                status_code: 200,
+                body: ''
+              }
+            }
+          ]
+        }
       }.deep_stringify_keys
     end
     scanner factory: :ci_reports_security_scanner

spec/fixtures/security_reports/master/gl-common-scanning-report.json

@@ -12,6 +12,76 @@
                 "id": "gemnasium",
                 "name": "Gemnasium"
             },
+            "evidence": {
+              "source": {
+                "id": "assert:CORS - Bad 'Origin' value",
+                "name": "CORS - Bad 'Origin' value"
+              },
+              "summary": "The Origin header was changed to an invalid value of http://peachapisecurity.com and the response contained an Access-Control-Allow-Origin header which included this invalid Origin, indicating that the CORS configuration on the server is overly permissive.\n\n\n",
+              "request": {
+                "headers": [
+                  {
+                    "name": "Host",
+                    "value": "127.0.0.1:7777"
+                  }
+                ],
+                "method": "GET",
+                "url": "http://127.0.0.1:7777/api/users",
+                "body": ""
+              },
+              "response": {
+                "headers": [
+                  {
+                    "name": "Server",
+                    "value": "TwistedWeb/20.3.0"
+                  }
+                ],
+                "reason_phrase": "OK",
+                "status_code": 200,
+                "body": "[{\"user_id\":1,\"user\":\"admin\",\"first\":\"Joe\",\"last\":\"Smith\",\"password\":\"Password!\"}]"
+              },
+              "supporting_messages": [
+                {
+                  "name": "Origional",
+                  "request": {
+                    "headers": [
+                      {
+                        "name": "Host",
+                        "value": "127.0.0.1:7777"
+                      }
+                    ],
+                    "method": "GET",
+                    "url": "http://127.0.0.1:7777/api/users",
+                    "body": ""
+                  }
+                },
+                {
+                  "name": "Recorded",
+                  "request": {
+                    "headers": [
+                      {
+                        "name": "Host",
+                        "value": "127.0.0.1:7777"
+                      }
+                    ],
+                    "method": "GET",
+                    "url": "http://127.0.0.1:7777/api/users",
+                    "body": ""
+                  },
+                  "response": {
+                    "headers": [
+                      {
+                        "name": "Server",
+                        "value": "TwistedWeb/20.3.0"
+                      }
+                    ],
+                    "reason_phrase": "OK",
+                    "status_code": 200,
+                    "body": "[{\"user_id\":1,\"user\":\"admin\",\"first\":\"Joe\",\"last\":\"Smith\",\"password\":\"Password!\"}]"
+                  }
+                }
+              ]
+            },
             "location": {},
             "identifiers": [
                 {
@@ -57,6 +127,76 @@
                 "id": "gemnasium",
                 "name": "Gemnasium"
             },
+            "evidence": {
+              "source": {
+                "id": "assert:CORS - Bad 'Origin' value",
+                "name": "CORS - Bad 'Origin' value"
+              },
+              "summary": "The Origin header was changed to an invalid value of http://peachapisecurity.com and the response contained an Access-Control-Allow-Origin header which included this invalid Origin, indicating that the CORS configuration on the server is overly permissive.\n\n\n",
+              "request": {
+                "headers": [
+                  {
+                    "name": "Host",
+                    "value": "127.0.0.1:7777"
+                  }
+                ],
+                "method": "GET",
+                "url": "http://127.0.0.1:7777/api/users",
+                "body": ""
+              },
+              "response": {
+                "headers": [
+                  {
+                    "name": "Server",
+                    "value": "TwistedWeb/20.3.0"
+                  }
+                ],
+                "reason_phrase": "OK",
+                "status_code": 200,
+                "body": "[{\"user_id\":1,\"user\":\"admin\",\"first\":\"Joe\",\"last\":\"Smith\",\"password\":\"Password!\"}]"
+              },
+              "supporting_messages": [
+                {
+                  "name": "Origional",
+                  "request": {
+                    "headers": [
+                      {
+                        "name": "Host",
+                        "value": "127.0.0.1:7777"
+                      }
+                    ],
+                    "method": "GET",
+                    "url": "http://127.0.0.1:7777/api/users",
+                    "body": ""
+                  }
+                },
+                {
+                  "name": "Recorded",
+                  "request": {
+                    "headers": [
+                      {
+                        "name": "Host",
+                        "value": "127.0.0.1:7777"
+                      }
+                    ],
+                    "method": "GET",
+                    "url": "http://127.0.0.1:7777/api/users",
+                    "body": ""
+                  },
+                  "response": {
+                    "headers": [
+                      {
+                        "name": "Server",
+                        "value": "TwistedWeb/20.3.0"
+                      }
+                    ],
+                    "reason_phrase": "OK",
+                    "status_code": 200,
+                    "body": "[{\"user_id\":1,\"user\":\"admin\",\"first\":\"Joe\",\"last\":\"Smith\",\"password\":\"Password!\"}]"
+                  }
+                }
+              ]
+            },
             "location": {},
             "identifiers": [
                 {

spec/lib/gitlab/ci/parsers/security/common_spec.rb

@@ -342,6 +342,18 @@ RSpec.describe Gitlab::Ci::Parsers::Security::Common do
         end
       end
 
+      describe 'parsing evidence' do
+        it 'returns evidence object for each finding', :aggregate_failures do
+          evidences = report.findings.map(&:evidence)
+
+          expect(evidences.first.data).not_to be_empty
+          expect(evidences.first.data["summary"]).to match(/The Origin header was changed/)
+          expect(evidences.size).to eq(3)
+          expect(evidences.compact.size).to eq(2)
+          expect(evidences.first).to be_a(::Gitlab::Ci::Reports::Security::Evidence)
+        end
+      end
+
       describe 'setting the uuid' do
         let(:finding_uuids) { report.findings.map(&:uuid) }
         let(:uuid_1) do