CVE-2017-9994 Information

Description

libavcodec/webp.c in FFmpeg before 2.8.12 3.0.x before 3.0.8 3.1.x before 3.1.8 3.2.x before 3.2.5 and 3.3.x before 3.3.1 does not ensure that pix_fmt is set which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted file related to the vp8_decode_mb_row_no_filter and pred8x8_128_dc_8_c functions.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/99317 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1434 https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1435 https://github.com/FFmpeg/FFmpeg/commit/6b5d3fb26fb4be48e4966e4b1d97c2165538d4ef https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8