buildroot/package/jasper/0002-fix-CVE-2014-8138.patch
Gustavo Zacarias b6e4e9de41 jasper: add patches to fix CVE-2014-8137 and CVE-2014-8138
Fixes:
CVE-2014-8137 - double-free in jas_iccattrval_destroy()
CVE-2014-8138 - heap overflow in jp2_decode()

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
2014-12-19 21:41:17 +01:00

19 lines
798 B
Diff

See https://bugzilla.redhat.com/show_bug.cgi?id=1173162
Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
--- jasper-1.900.1.orig/src/libjasper/jp2/jp2_dec.c 2014-12-11 14:06:44.000000000 +0100
+++ jasper-1.900.1/src/libjasper/jp2/jp2_dec.c 2014-12-11 14:06:26.000000000 +0100
@@ -386,6 +386,11 @@ jas_image_t *jp2_decode(jas_stream_t *in
/* Determine the type of each component. */
if (dec->cdef) {
for (i = 0; i < dec->numchans; ++i) {
+ /* Is the channel number reasonable? */
+ if (dec->cdef->data.cdef.ents[i].channo >= dec->numchans) {
+ jas_eprintf("error: invalid channel number in CDEF box\n");
+ goto error;
+ }
jas_image_setcmpttype(dec->image,
dec->chantocmptlut[dec->cdef->data.cdef.ents[i].channo],
jp2_getct(jas_image_clrspc(dec->image),