CVE-2017-16840 Information

Description

The VC-2 Video Compression encoder in FFmpeg 3.4 allows remote attackers to cause a denial of service (out-of-bounds read) because of incorrect buffer padding for non-Haar wavelets related to libavcodec/vc2enc.c and libavcodec/vc2enc_dwt.c.

CVSS Vector

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

Reference

http://git.videolan.org/?p=ffmpeg.git;a=commit;h=a94cb36ab2ad99d3a1331c9f91831ef593d94f74 http://www.securityfocus.com/bid/101924 https://www.debian.org/security/2017/dsa-4049

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8