Red Hat Bugzilla – Bug 1416056
CVE-2017-5503 jasper: invalid memory write in dec_clnpass()
Last modified: 2018-07-18 11:12:34 EDT
A vulnerability was found in jasper. A crafted file could cause an invalid memory write. References: http://seclists.org/oss-sec/2017/q1/102 Upstream bug: https://github.com/mdadams/jasper/issues/90
Created mingw-jasper tracking bugs for this issue: Affects: epel-7 [bug 1406409]
Created jasper tracking bugs for this issue: Affects: epel-5 [bug 1406406]
Original reporter's advisory: https://blogs.gentoo.org/ago/2017/01/16/jasper-invalid-memory-write-in-dec_clnpass-jpc_t1dec-c/ Relevant info from the advisory: Another round of fuzzing shows that a crafted image causes an invalid memory write. The complete ASan output: # imginfo -f $FILE ==24746==ERROR: AddressSanitizer: SEGV on unknown address 0x7ef94fe46c88 (pc 0x7efd4faa510d bp 0x7ffde2235af0 sp 0x7ffde2235900 T0) ==24746==The signal is caused by a WRITE memory access. #0 0x7efd4faa510c in dec_clnpass /tmp/portage/media-libs/jasper-1.900.27/work/jasper-1.900.27/src/libjasper/jpc/jpc_t1dec.c:869:4 #1 0x7efd4faa510c in jpc_dec_decodecblk /tmp/portage/media-libs/jasper-1.900.27/work/jasper-1.900.27/src/libjasper/jpc/jpc_t1dec.c:283 #2 0x7efd4fa9ef89 in jpc_dec_decodecblks /tmp/portage/media-libs/jasper-1.900.27/work/jasper-1.900.27/src/libjasper/jpc/jpc_t1dec.c:177:11 #3 0x7efd4fa394f1 in jpc_dec_tiledecode /tmp/portage/media-libs/jasper-1.900.27/work/jasper-1.900.27/src/libjasper/jpc/jpc_dec.c:1085:6 #4 0x7efd4fa2acdf in jpc_dec_process_sod /tmp/portage/media-libs/jasper-1.900.27/work/jasper-1.900.27/src/libjasper/jpc/jpc_dec.c:658:7 #5 0x7efd4fa346b3 in jpc_dec_decode /tmp/portage/media-libs/jasper-1.900.27/work/jasper-1.900.27/src/libjasper/jpc/jpc_dec.c:425:10 #6 0x7efd4fa346b3 in jpc_decode /tmp/portage/media-libs/jasper-1.900.27/work/jasper-1.900.27/src/libjasper/jpc/jpc_dec.c:262 #7 0x7efd4f996b84 in jas_image_decode /tmp/portage/media-libs/jasper-1.900.27/work/jasper-1.900.27/src/libjasper/base/jas_image.c:444:16 #8 0x509eed in main /tmp/portage/media-libs/jasper-1.900.27/work/jasper-1.900.27/src/appl/imginfo.c:219:16 #9 0x7efd4ea9e61f in __libc_start_main /var/tmp/portage/sys-libs/glibc-2.22-r4/work/glibc-2.22/csu/libc-start.c:289 #10 0x419978 in _init (/usr/bin/imginfo+0x419978) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV /tmp/portage/media-libs/jasper-1.900.27/work/jasper-1.900.27/src/libjasper/jpc/jpc_t1dec.c:869:4 in dec_clnpass ==24746==ABORTING Affected version: 1.900.27 Fixed version: N/A Commit fix: N/A Credit: This bug was discovered by Agostino Sarubbo of Gentoo. CVE: CVE-2017-5503 Reproducer: https://github.com/asarubbo/poc/blob/master/00055-jasper-invalidwrite-dec_clnpass This issue has not been addressed yet and is still reproducible the current upstream version 2.0.12.
This problem can only be reproduced with Jasper versions including this upstream commit: https://github.com/mdadams/jasper/commit/d42b2388 It was first included in upstream version 1.900.25. Earlier versions do not seem to be affected. The following assertion is raised in the earlier versions: imginfo: jas_seq.c:90: jas_seq2d_create: Assertion `xstart <= xend && ystart <= yend' failed.