CVE-2017-17081 Information

Description

The gmc_mmx function in libavcodec/x86/mpegvideodsp.c in FFmpeg 3.4 does not properly validate widths and heights which allows remote attackers to cause a denial of service (integer signedness error and out-of-array read) via a crafted MPEG file.

CVSS Vector

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

Reference

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3516c1 https://github.com/FFmpeg/FFmpeg/commit/58cf31cee7a456057f337b3102a03206d833d5e8 https://lists.ffmpeg.org/pipermail/ffmpeg-devel/2017-November/219748.html https://www.debian.org/security/2018/dsa-4099

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