An integer overflow vulnerability that results into use of uninitialized value in jpc_pi_nextcprl was found. Upstream patch: https://github.com/mdadams/jasper/commit/1f0dfe5a42911b6880a1445f13f6d615ddb55387 Reference: http://seclists.org/oss-sec/2017/q1/609
Created jasper tracking bugs for this issue: Affects: epel-5 [bug 1434466] Affects: fedora-all [bug 1434464] Created mingw-jasper tracking bugs for this issue: Affects: epel-7 [bug 1434465] Affects: fedora-all [bug 1434467]
Upstream bug report: https://github.com/mdadams/jasper/issues/75 Original reporter's advisory: https://blogs.gentoo.org/ago/2016/11/04/jasper-use-of-uninitialized-value-in-jpc_pi_nextcprl-jpc_t2cod-c/ Relevant information from the advisory: I decided to try another round of fuzzing with the Memory Sanitizer enabled, and I discovered that there is an use-of-uninitialized-value in jpc_pi_nextcprl The complete MSan output: # imginfo -f $FILE warning: trailing garbage in marker segment (14 bytes) warning: trailing garbage in marker segment (14 bytes) warning: ignoring unknown marker segment type = 0xff41 (UNKNOWN); len = 20;01 87 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 warning: trailing garbage in marker segment (14 bytes) ==7937==WARNING: MemorySanitizer: use-of-uninitialized-value #0 0x7fc562323907 in jpc_pi_nextcprl /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/libjasper/jpc/jpc_t2cod.c:482:12 #1 0x7fc562323907 in jpc_pi_next /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/libjasper/jpc/jpc_t2cod.c:125 #2 0x7fc56232aadc in jpc_dec_decodepkts /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/libjasper/jpc/jpc_t2dec.c:441:14 #3 0x7fc5621fa9f1 in jpc_dec_process_sod /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/libjasper/jpc/jpc_dec.c:594:6 #4 0x7fc56220c574 in jpc_dec_decode /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/libjasper/jpc/jpc_dec.c:391:10 #5 0x7fc56220c574 in jpc_decode /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/libjasper/jpc/jpc_dec.c:255 #6 0x7fc5621ac5a4 in jp2_decode /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/libjasper/jp2/jp2_dec.c:215:21 #7 0x7fc5620d69d1 in jas_image_decode /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/libjasper/base/jas_image.c:396:16 #8 0x557bb7618831 in main /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/appl/imginfo.c:203:16 #9 0x7fc5611e961f in __libc_start_main /var/tmp/portage/sys-libs/glibc-2.22-r4/work/glibc-2.22/csu/libc-start.c:289 #10 0x557bb7599a28 in _init (/usr/bin/imginfo+0x1aa28) Uninitialized value was created by a heap allocation #0 0x557bb75bf639 in malloc /var/tmp/portage/sys-devel/llvm-3.8.1-r2/work/llvm-3.8.1.src/projects/compiler-rt/lib/msan/msan_interceptors.cc:1002 #1 0x7fc5621507d4 in jas_malloc /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/libjasper/base/jas_malloc.c:148:13 #2 0x7fc562152520 in jas_alloc2 /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/libjasper/base/jas_malloc.c:275:9 #3 0x7fc56233360c in jpc_dec_pi_create /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/libjasper/jpc/jpc_t2dec.c:506:30 #4 0x7fc5621f2c71 in jpc_dec_tileinit /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/libjasper/jpc/jpc_dec.c:911:19 #5 0x7fc5621f2c71 in jpc_dec_process_sod /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/libjasper/jpc/jpc_dec.c:560 #6 0x7fc56220c574 in jpc_dec_decode /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/libjasper/jpc/jpc_dec.c:391:10 #7 0x7fc56220c574 in jpc_decode /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/libjasper/jpc/jpc_dec.c:255 #8 0x7fc5621ac5a4 in jp2_decode /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/libjasper/jp2/jp2_dec.c:215:21 #9 0x7fc5620d69d1 in jas_image_decode /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/libjasper/base/jas_image.c:396:16 #10 0x557bb7618831 in main /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/appl/imginfo.c:203:16 #11 0x7fc5611e961f in __libc_start_main /var/tmp/portage/sys-libs/glibc-2.22-r4/work/glibc-2.22/csu/libc-start.c:289 SUMMARY: MemorySanitizer: use-of-uninitialized-value /tmp/portage/media-libs/jasper-1.900.17/work/jasper-1.900.17/src/libjasper/jpc/jpc_t2cod.c:482:12 in jpc_pi_nextcprl Exiting Affected version: 1.900.17 Fixed version: 1.900.20
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Red Hat Enterprise Linux 7 Via RHSA-2017:1208 https://access.redhat.com/errata/RHSA-2017:1208