Date: Mon, 28 Aug 2017 14:29:32 +0000 From: "Agostino Sarubbo" <ago@...too.org> To: "oss-security@...ts.openwall.com" <oss-security@...ts.openwall.com> Subject: openjpeg: invalid memory write in tgatoimage (convert.c) Description: openjpeg is an open-source JPEG 2000 library. The complete ASan output of the issue: # opj_compress -r 20,10,1 -jpip -EPH -SOP -cinema2K 24 -n 1 -i $FILE -o null.j2k ASAN:DEADLYSIGNAL ================================================================= ==13239==ERROR: AddressSanitizer: SEGV on unknown address 0x7f4f2e9b4800 (pc 0x00000052264a bp 0x7ffff176def0 sp 0x7ffff176dde0 T0) ==13239==The signal is caused by a WRITE memory access. #0 0x522649 in tgatoimage /var/tmp/portage/media-libs/openjpeg-9999/work/openjpeg-9999/src/bin/jp2/convert.c:928:45 #1 0x50b4e6 in main /var/tmp/portage/media-libs/openjpeg-9999/work/openjpeg-9999/src/bin/jp2/opj_compress.c:1881:21 #2 0x7f5de2316680 in __libc_start_main /var/tmp/portage/sys-libs/glibc-2.23-r4/work/glibc-2.23/csu/../csu/libc-start.c:289 #3 0x41bc18 in _start (/usr/bin/opj_compress+0x41bc18) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV /var/tmp/portage/media-libs/openjpeg-9999/work/openjpeg-9999/src/bin/jp2/convert.c:928:45 in tgatoimage ==13239==ABORTING CINEMA 2K profile activated Other options specified could be overridden Affected version: Master at 2017-08-17 and maybe paste releases Fixed version: N/A Commit fix: https://github.com/uclouvain/openjpeg/commit/2cd30c2b06ce332dede81cccad8b334cde997281 Credit: This bug was discovered by Agostino Sarubbo of Gentoo. CVE: Waiting for a CVE assignment Reproducer: https://github.com/asarubbo/poc/blob/master/00326-openjpeg-invalidwrite-tgatoimage Timeline: 2017-08-17: bug discovered and reported to upstream 2017-08-28: blog post about the issue Note: This bug was found with American Fuzzy Lop. This bug was identified with bare metal servers donated by Packet. This work is also supported by the Core Infrastructure Initiative. Permalink: https://blogs.gentoo.org/ago/2017/08/28/openjpeg-invalid-memory-write-in-tgatoimage-convert-c/ -- Agostino Sarubbo Gentoo Linux Developer
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