diff options
Diffstat (limited to 'gnu/packages/patches/openjpeg-CVE-2016-7163.patch')
| -rw-r--r-- | gnu/packages/patches/openjpeg-CVE-2016-7163.patch | 71 |
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 + |