openjpeg2: fix CVE-2020-6851 and CVE-2020-8112.

This commit is contained in:
travankor 2020-03-22 20:13:46 -07:00 committed by Juan RP
parent aecd2ee329
commit 01efd1f88c
3 changed files with 74 additions and 1 deletions

View file

@ -0,0 +1,29 @@
From 024b8407392cb0b82b04b58ed256094ed5799e04 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Sat, 11 Jan 2020 01:51:19 +0100
Subject: [PATCH] opj_j2k_update_image_dimensions(): reject images whose
coordinates are beyond INT_MAX (fixes #1228)
---
src/lib/openjp2/j2k.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/src/lib/openjp2/j2k.c b/src/lib/openjp2/j2k.c
index 14f6ff41a..922550eb1 100644
--- a/src/lib/openjp2/j2k.c
+++ b/src/lib/openjp2/j2k.c
@@ -9221,6 +9221,14 @@ static OPJ_BOOL opj_j2k_update_image_dimensions(opj_image_t* p_image,
l_img_comp = p_image->comps;
for (it_comp = 0; it_comp < p_image->numcomps; ++it_comp) {
OPJ_INT32 l_h, l_w;
+ if (p_image->x0 > (OPJ_UINT32)INT_MAX ||
+ p_image->y0 > (OPJ_UINT32)INT_MAX ||
+ p_image->x1 > (OPJ_UINT32)INT_MAX ||
+ p_image->y1 > (OPJ_UINT32)INT_MAX) {
+ opj_event_msg(p_manager, EVT_ERROR,
+ "Image coordinates above INT_MAX are not supported\n");
+ return OPJ_FALSE;
+ }
l_img_comp->x0 = (OPJ_UINT32)opj_int_ceildiv((OPJ_INT32)p_image->x0,
(OPJ_INT32)l_img_comp->dx);

View file

@ -0,0 +1,43 @@
From 05f9b91e60debda0e83977e5e63b2e66486f7074 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Thu, 30 Jan 2020 00:59:57 +0100
Subject: [PATCH] opj_tcd_init_tile(): avoid integer overflow
That could lead to later assertion failures.
Fixes #1231 / CVE-2020-8112
---
src/lib/openjp2/tcd.c | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/src/lib/openjp2/tcd.c b/src/lib/openjp2/tcd.c
index deecc4dff..aa419030a 100644
--- a/src/lib/openjp2/tcd.c
+++ b/src/lib/openjp2/tcd.c
@@ -905,8 +905,24 @@ static INLINE OPJ_BOOL opj_tcd_init_tile(opj_tcd_t *p_tcd, OPJ_UINT32 p_tile_no,
/* p. 64, B.6, ISO/IEC FDIS15444-1 : 2000 (18 august 2000) */
l_tl_prc_x_start = opj_int_floordivpow2(l_res->x0, (OPJ_INT32)l_pdx) << l_pdx;
l_tl_prc_y_start = opj_int_floordivpow2(l_res->y0, (OPJ_INT32)l_pdy) << l_pdy;
- l_br_prc_x_end = opj_int_ceildivpow2(l_res->x1, (OPJ_INT32)l_pdx) << l_pdx;
- l_br_prc_y_end = opj_int_ceildivpow2(l_res->y1, (OPJ_INT32)l_pdy) << l_pdy;
+ {
+ OPJ_UINT32 tmp = ((OPJ_UINT32)opj_int_ceildivpow2(l_res->x1,
+ (OPJ_INT32)l_pdx)) << l_pdx;
+ if (tmp > (OPJ_UINT32)INT_MAX) {
+ opj_event_msg(manager, EVT_ERROR, "Integer overflow\n");
+ return OPJ_FALSE;
+ }
+ l_br_prc_x_end = (OPJ_INT32)tmp;
+ }
+ {
+ OPJ_UINT32 tmp = ((OPJ_UINT32)opj_int_ceildivpow2(l_res->y1,
+ (OPJ_INT32)l_pdy)) << l_pdy;
+ if (tmp > (OPJ_UINT32)INT_MAX) {
+ opj_event_msg(manager, EVT_ERROR, "Integer overflow\n");
+ return OPJ_FALSE;
+ }
+ l_br_prc_y_end = (OPJ_INT32)tmp;
+ }
/*fprintf(stderr, "\t\t\tprc_x_start=%d, prc_y_start=%d, br_prc_x_end=%d, br_prc_y_end=%d \n", l_tl_prc_x_start, l_tl_prc_y_start, l_br_prc_x_end ,l_br_prc_y_end );*/
l_res->pw = (l_res->x0 == l_res->x1) ? 0U : (OPJ_UINT32)((

View file

@ -1,7 +1,7 @@
# Template file for 'openjpeg2'
pkgname=openjpeg2
version=2.3.1
revision=1
revision=2
wrksrc="openjpeg-${version}"
build_style=cmake
makedepends="libpng-devel lcms2-devel tiff-devel"
@ -11,6 +11,7 @@ license="BSD-2-Clause"
homepage="http://www.openjpeg.org/"
distfiles="https://github.com/uclouvain/openjpeg/archive/v${version}.tar.gz"
checksum=63f5a4713ecafc86de51bfad89cc07bb788e9bba24ebbf0c4ca637621aadb6a9
patch_args="-Np1"
post_install() {
vlicense LICENSE