Description: aacplusenc is an High-Efficiency AAC (AAC+) Encoder. The complete ASan output of the issue: # aacplusenc $FILE out.aac 32 ************************************************************* * Enhanced aacPlus Encoder * Build Aug 30 2017, 14:40:49 * Matteo Croce ************************************************************* input file 101.crashes.wav: sr = 48000, nc = 1 output file out.aac: br = 32000 sr-OUT = 48000 nc-OUT = 1 ASAN:DEADLYSIGNAL ================================================================= ==21496==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000030 (pc 0x000000562e2f bp 0x7ffc2ec32430 sp 0x7ffc2ec32430 T0) ==21496==The signal is caused by a WRITE memory access. ==21496==Hint: address points to the zero page. #0 0x562e2e in DeleteBitBuffer /var/tmp/portage/media-sound/aacplusenc-0.17.5/work/aacplusenc/libbitbuf/bitbuffer.c:97:23 #1 0x50d909 in AacEncClose /var/tmp/portage/media-sound/aacplusenc-0.17.5/work/aacplusenc/libaacenc/aacenc.c:469:5 #2 0x50c0df in main /var/tmp/portage/media-sound/aacplusenc-0.17.5/work/aacplusenc/aacplusenc.c:536:2 #3 0x7f0e4c21b680 in __libc_start_main /var/tmp/portage/sys-libs/glibc-2.23-r4/work/glibc-2.23/csu/../csu/libc-start.c:289 #4 0x419e78 in _init (/usr/bin/aacplusenc+0x419e78) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV /var/tmp/portage/media-sound/aacplusenc-0.17.5/work/aacplusenc/libbitbuf/bitbuffer.c:97:23 in DeleteBitBuffer ==21496==ABORTING Affected version: 0.17.5 Fixed version: N/A Commit fix: N/A Credit: This bug was discovered by Agostino Sarubbo of Gentoo. CVE: CVE-2017-14181 Reproducer: https://github.com/asarubbo/poc/blob/master/00332-aacplusenc-NULLptr-DeleteBitBuffer Timeline: 2017-08-31: bug discovered and reported to upstream 2017-09-07: blog post about the issue 2017-09-07: CVE assigned 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/2017/09/07/aacplusenc-null-pointer-dereference-in-deletebitbuffer-bitbuffer-c/ @maintainer(s): since the package or the affected version has never been marked as stable, we don't need to stabilize it. After the bump, please remove the affected versions from the tree.
The bug has been referenced in the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=5e787845c86461c7f30b8ae8442ba700c0559d72 commit 5e787845c86461c7f30b8ae8442ba700c0559d72 Author: Michał Górny <mgorny@gentoo.org> AuthorDate: 2019-04-10 18:35:04 +0000 Commit: Michał Górny <mgorny@gentoo.org> CommitDate: 2019-04-10 18:35:20 +0000 package.mask: Last rite media-sound/aacplusenc Bug: https://bugs.gentoo.org/630254 Signed-off-by: Michał Górny <mgorny@gentoo.org> profiles/base/package.use.mask | 4 ++++ profiles/package.mask | 7 +++++++ 2 files changed, 11 insertions(+)
NOTE: This was lastrited in 2019. https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=8219295ffa58d04cbc1642c527b8a007d46ef761 (ignore the linked PR, it's for a diff pkg).
(In reply to sam_c (Security Padawan) from comment #2) > NOTE: This was lastrited in 2019. > > https://gitweb.gentoo.org/repo/gentoo.git/commit/ > ?id=8219295ffa58d04cbc1642c527b8a007d46ef761 > > (ignore the linked PR, it's for a diff pkg). Sorry, ignore this. It looks like we need the PR ideally to not break h264enc with USE=aac?
Package was dropped, tree is clean: commit 8219295ffa58d04cbc1642c527b8a007d46ef761 Author: Mikle Kolyada <zlogene@gentoo.org> Date: Sat May 11 20:47:29 2019 +0300 media-sound/aacplusenc: remove last rited package Signed-off-by: Mikle Kolyada <zlogene@gentoo.org> delete mode 100644 media-sound/aacplusenc/Manifest delete mode 100644 media-sound/aacplusenc/aacplusenc-0.17.5.ebuild delete mode 100644 media-sound/aacplusenc/files/aacplusenc-0.17.5-asneeded.patch delete mode 100644 media-sound/aacplusenc/files/aacplusenc-0.17.5-libm.patch delete mode 100644 media-sound/aacplusenc/metadata.xml
