Information disclosure in FFmpeg - CVE-2016-1897
Published: January 15, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32353
CSH Severity: Low
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-1897
CWE-ID: CWE-200
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local non-authenticated attacker to gain access to sensitive information.
FFmpeg 2.x allows remote attackers to conduct cross-origin attacks and read arbitrary files by using the concat protocol in an HTTP Live Streaming (HLS) M3U8 file, leading to an external HTTP request in which the URL string contains the first line of a local file.
Affected software
FFmpeg
Gentoo Linux
Slackware Linux
Opensuse
ffmpeg (Alpine package)
media-video/ffmpeg
media-video/libav
Gentoo Linux
Slackware Linux
Opensuse
ffmpeg (Alpine package)
media-video/ffmpeg
media-video/libav
How to mitigate CVE-2016-1897
Install update from vendor's website.
ffmpeg (Alpine package) - update to 2.6.7-r0
media-video/ffmpeg - update to 2.8.6
media-video/libav - update to 11.8
media-video/ffmpeg - update to 2.8.6
media-video/libav - update to 11.8
External References
- http://habrahabr.ru/company/mailru/blog/274855
- http://lists.opensuse.org/opensuse-security-announce/2016-01/msg00034.html
- http://security.stackexchange.com/questions/110644
- http://www.debian.org/security/2016/dsa-3506
- http://www.openwall.com/lists/oss-security/2016/01/14/1
- http://www.securityfocus.com/bid/80501
- http://www.securitytracker.com/id/1034932
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.529036
- http://www.ubuntu.com/usn/USN-2944-1
- https://security.gentoo.org/glsa/201606-09
- https://security.gentoo.org/glsa/201705-08
- https://www.kb.cert.org/vuls/id/772447