CVE-2017-1000460 Information

Description

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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

https://bugzilla.libav.org/show_bug.cgi?id=952 https://chromium.googlesource.com/chromium/third_party/ffmpeg/+/8e313ca08800178efce00045e07dc494d437b70c https://lists.debian.org/debian-lts-announce/2019/03/msg00041.html https://lists.ffmpeg.org/pipermail/ffmpeg-cvslog/2017-January/104221.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5