Information Exposure Affecting libav package, versions <6:11.12-1~deb8u4
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-404896
- published28 Jun 2017
- disclosed28 Jun 2017
Introduced: 28 Jun 2017
CVE-2017-9993 (opens in a new tab)How to fix?
Upgrade Debian:8 libav to version 6:11.12-1~deb8u4 or higher.
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.
FFmpeg before 2.8.12, 3.0.x and 3.1.x before 3.1.9, 3.2.x before 3.2.6, and 3.3.x before 3.3.2 does not properly restrict HTTP Live Streaming filename extensions and demuxer names, which allows attackers to read arbitrary files via crafted playlist data.
References
- https://security-tracker.debian.org/tracker/CVE-2017-9993
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9993
- http://www.debian.org/security/2017/dsa-3957
- https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html
- https://github.com/FFmpeg/FFmpeg/commit/189ff4219644532bdfa7bab28dfedaee4d6d4021
- https://github.com/FFmpeg/FFmpeg/commit/a5d849b149ca67ced2d271dc84db0bc95a548abb
- http://www.securityfocus.com/bid/99315
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-9993