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9d79d7af
Commit
9d79d7af
authored
Apr 14, 2014
by
Kazuhiko Shiozaki
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jbigkit : add CVE-2013-6369.patch.
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ef2bbcda
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component/jbigkit/CVE-2013-6369.patch
component/jbigkit/CVE-2013-6369.patch
+52
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component/jbigkit/buildout.cfg
component/jbigkit/buildout.cfg
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component/jbigkit/CVE-2013-6369.patch
0 → 100644
View file @
9d79d7af
Description: CVE-2013-6369
Patch by upstream
--- jbigkit-2.0.orig/libjbig/jbig.c
+++ jbigkit-2.0/libjbig/jbig.c
@@ -1747,7 +1747,7 @@
void jbg_int2dppriv(unsigned char *dptab
#define FILL_TABLE1(offset, len, trans) \
for (i = 0; i < len; i++) { \
k = 0; \
- for (j = 0; j < 8; j++) \
+ for (j = 0; i >> j; j++) \
k |= ((i >> j) & 1) << trans[j]; \
dptable[(i + offset) >> 2] |= \
(internal[k + offset] & 3) << ((3 - (i&3)) << 1); \
@@ -1778,7 +1778,7 @@
void jbg_dppriv2int(char *internal, cons
#define FILL_TABLE2(offset, len, trans) \
for (i = 0; i < len; i++) { \
k = 0; \
- for (j = 0; j < 8; j++) \
+ for (j = 0; i >> j; j++) \
k |= ((i >> j) & 1) << trans[j]; \
internal[k + offset] = \
(dptable[(i + offset) >> 2] >> ((3 - (i & 3)) << 1)) & 3; \
@@ -2583,6 +2583,7 @@
int jbg_dec_in(struct jbg_dec_state *s,
unsigned long x, y;
unsigned long is[3], ie[3];
size_t dummy_cnt;
+ unsigned char *dppriv;
if (!cnt) cnt = &dummy_cnt;
*cnt = 0;
@@ -2720,13 +2721,16 @@
int jbg_dec_in(struct jbg_dec_state *s,
(s->options & (JBG_DPON | JBG_DPPRIV | JBG_DPLAST)) ==
(JBG_DPON | JBG_DPPRIV)) {
assert(s->bie_len >= 20);
+ if (!s->dppriv || s->dppriv == jbg_dptable)
+ s->dppriv = (char *) checked_malloc(1728, sizeof(char));
while (s->bie_len < 20 + 1728 && *cnt < len)
- s->buffer[s->bie_len++ - 20] = data[(*cnt)++];
+ s->dppriv[s->bie_len++ - 20] = data[(*cnt)++];
if (s->bie_len < 20 + 1728)
return JBG_EAGAIN;
- if (!s->dppriv || s->dppriv == jbg_dptable)
- s->dppriv = (char *) checked_malloc(1728, sizeof(char));
- jbg_dppriv2int(s->dppriv, s->buffer);
+ dppriv = s->dppriv;
+ s->dppriv = (char *) checked_malloc(6912, sizeof(char));
+ jbg_dppriv2int(s->dppriv, dppriv);
+ checked_free(dppriv);
}
/*
component/jbigkit/buildout.cfg
View file @
9d79d7af
...
...
@@ -12,6 +12,7 @@ patch-options =
# http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/media-libs/jbigkit/files/jbigkit-2.0-build.patch?revision=1.1
patches =
${:_profile_base_location_}/jbigkit-2.0-build.patch#e974958e9331735c07478e9c2dde8795
${:_profile_base_location_}/CVE-2013-6369.patch#cc44c27df4ae7fc3cbdcf75b426a2fdd
configure-command = true
make-targets = lib pbm
post-make-hook = ${:_profile_base_location_}/jbigkit-hooks.py#f1edb4ddd212d2d100d7ea8b2e42d21f:post_make_hook
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