Vulnerability Monitor

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CVE-2017-1000460

In line libavcodec/h264dec.c:500 in libav(v13_dev0), ffmpeg(n3.4), chromium(56 prior Feb 13, 2017), the return value of init_get_bits is ignored and get_ue_golomb(&gb) is called on an uninitialized get_bits context, which causes a NULL deref exception.

Published

2018-01-03T20:29:00.220

Last Modified

2024-11-21T03:04:46.893

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	libav	libav	13_dev0	Yes
Application	ffmpeg	ffmpeg	3.4	Yes
Application	google	chrome	≤ 56.0.2924	Yes

References

https://bugzilla.libav.org/show_bug.cgi?id=952 Exploit, Issue Tracking, Third Party Advisory ([email protected])
https://chromium.googlesource.com/chromium/third_party/ffmpeg/+/8e313ca08800178efce00045e07dc494d437b70c Issue Tracking, Patch ([email protected])
https://lists.debian.org/debian-lts-announce/2019/03/msg00041.html ([email protected])
https://lists.ffmpeg.org/pipermail/ffmpeg-cvslog/2017-January/104221.html Issue Tracking, Patch ([email protected])
https://bugzilla.libav.org/show_bug.cgi?id=952 Exploit, Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://chromium.googlesource.com/chromium/third_party/ffmpeg/+/8e313ca08800178efce00045e07dc494d437b70c Issue Tracking, Patch (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2019/03/msg00041.html (af854a3a-2127-422b-91ae-364da2661108)
https://lists.ffmpeg.org/pipermail/ffmpeg-cvslog/2017-January/104221.html Issue Tracking, Patch (af854a3a-2127-422b-91ae-364da2661108)