Divide By Zero Affecting libav package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN8-LIBAV-405101
- published15 Feb 2017
- disclosed15 Feb 2017
Introduced: 15 Feb 2017
CVE-2016-7499 (opens in a new tab)How to fix?
There is no fixed version for Debian:8 libav.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libav package and not the libav package as distributed by Debian.
See How to fix? for Debian:8 relevant fixed versions and status.
The sbr_make_f_master function in aacsbr.c in Libav 11.7 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted mp3 file.
References
- https://security-tracker.debian.org/tracker/CVE-2016-7499
- https://blogs.gentoo.org/ago/2016/09/21/libav-divide-by-zero-in-sbr_make_f_master-aacsbr-c/
- https://git.libav.org/?p=libav.git;a=blobdiff;f=libavcodec/aacsbr.c;h=7d156e525b40b197c38db17acf16730845b91e56;hp=dbfb1677813ce6c531e4362d0be7ccf9fdfdd28e;hb=a50a5ff29ec5a8243499769e2bb9b5509ce9fd52;hpb=f55e3ff5891daf3d538b4d9176371960200d68fa
- http://www.openwall.com/lists/oss-security/2016/09/21/9
- http://www.securityfocus.com/bid/93102
- https://git.libav.org/?p=libav.git%3Ba=blobdiff%3Bf=libavcodec/aacsbr.c%3Bh=7d156e525b40b197c38db17acf16730845b91e56%3Bhp=dbfb1677813ce6c531e4362d0be7ccf9fdfdd28e%3Bhb=a50a5ff29ec5a8243499769e2bb9b5509ce9fd52%3Bhpb=f55e3ff5891daf3d538b4d9176371960200d68fa