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authorLeo Famulari <leo@famulari.name>2016-09-09 01:48:50 -0400
committerLeo Famulari <leo@famulari.name>2016-09-09 21:03:19 -0400
commit0f97e7e5cdd4cbe75cdec99305a689a5f357a83a (patch)
treed43e9f4a21ad07fd4d9b44254b4502fb75657324 /gnu/packages/patches/openjpeg-CVE-2016-7163.patch
parent876d80d424756218626dd0f849bfe5872fd7a145 (diff)
downloadgnu-guix-0f97e7e5cdd4cbe75cdec99305a689a5f357a83a.tar
gnu-guix-0f97e7e5cdd4cbe75cdec99305a689a5f357a83a.tar.gz
gnu: openjpeg-2.*: Fix CVE-2016-7163.
* gnu/packages/patches/openjpeg-CVE-2016-7163.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. * gnu/packages/image.scm (openjpeg, openjpeg-2.0): Use it.
Diffstat (limited to 'gnu/packages/patches/openjpeg-CVE-2016-7163.patch')
-rw-r--r--gnu/packages/patches/openjpeg-CVE-2016-7163.patch71
1 files changed, 71 insertions, 0 deletions
diff --git a/gnu/packages/patches/openjpeg-CVE-2016-7163.patch b/gnu/packages/patches/openjpeg-CVE-2016-7163.patch
new file mode 100644
index 0000000000..a4a24e4ff5
--- /dev/null
+++ b/gnu/packages/patches/openjpeg-CVE-2016-7163.patch
@@ -0,0 +1,71 @@
+Fix CVE-2016-7613 (Integer overflow in opj_pi_create_decode allowing execution
+of arbitrary code):
+
+https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7163
+https://github.com/uclouvain/openjpeg/issues/826
+http://seclists.org/oss-sec/2016/q3/442
+
+Copied from upstream repository:
+
+https://github.com/uclouvain/openjpeg/commit/c16bc057ba3f125051c9966cf1f5b68a05681de4
+https://github.com/uclouvain/openjpeg/commit/ef01f18dfc6780b776d0674ed3e7415c6ef54d24
+
+From c16bc057ba3f125051c9966cf1f5b68a05681de4 Mon Sep 17 00:00:00 2001
+From: trylab <trylab@users.noreply.github.com>
+Date: Tue, 6 Sep 2016 13:55:49 +0800
+Subject: [PATCH] Fix an integer overflow issue (#809)
+
+Prevent an integer overflow issue in function opj_pi_create_decode of
+pi.c.
+---
+ src/lib/openjp2/pi.c | 8 +++++++-
+ 1 file changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/src/lib/openjp2/pi.c b/src/lib/openjp2/pi.c
+index cffad66..36e2ff0 100644
+--- a/src/lib/openjp2/pi.c
++++ b/src/lib/openjp2/pi.c
+@@ -1237,7 +1237,13 @@ opj_pi_iterator_t *opj_pi_create_decode(opj_image_t *p_image,
+ l_current_pi = l_pi;
+
+ /* memory allocation for include */
+- l_current_pi->include = (OPJ_INT16*) opj_calloc((l_tcp->numlayers +1) * l_step_l, sizeof(OPJ_INT16));
++ /* prevent an integer overflow issue */
++ l_current_pi->include = 00;
++ if (l_step_l <= (SIZE_MAX / (l_tcp->numlayers + 1U)))
++ {
++ l_current_pi->include = (OPJ_INT16*) opj_calloc((l_tcp->numlayers +1) * l_step_l, sizeof(OPJ_INT16));
++ }
++
+ if
+ (!l_current_pi->include)
+ {
+--
+2.10.0
+
+From ef01f18dfc6780b776d0674ed3e7415c6ef54d24 Mon Sep 17 00:00:00 2001
+From: Matthieu Darbois <mayeut@users.noreply.github.com>
+Date: Thu, 8 Sep 2016 07:34:46 +0200
+Subject: [PATCH] Cast to size_t before multiplication
+
+Need to cast to size_t before multiplication otherwise overflow check is useless.
+---
+ src/lib/openjp2/pi.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/lib/openjp2/pi.c b/src/lib/openjp2/pi.c
+index 36e2ff0..809b33d 100644
+--- a/src/lib/openjp2/pi.c
++++ b/src/lib/openjp2/pi.c
+@@ -1241,7 +1241,7 @@ opj_pi_iterator_t *opj_pi_create_decode(opj_image_t *p_image,
+ l_current_pi->include = 00;
+ if (l_step_l <= (SIZE_MAX / (l_tcp->numlayers + 1U)))
+ {
+- l_current_pi->include = (OPJ_INT16*) opj_calloc((l_tcp->numlayers +1) * l_step_l, sizeof(OPJ_INT16));
++ l_current_pi->include = (OPJ_INT16*) opj_calloc((size_t)(l_tcp->numlayers + 1U) * l_step_l, sizeof(OPJ_INT16));
+ }
+
+ if
+--
+2.10.0
+