CVE-2017-16803 Information

Description

In Libav through 11.11 and 12.x through 12.1 the smacker_decode_tree function in libavcodec/smacker.c does not properly restrict tree recursion which allows remote attackers to cause a denial of service (bitstream.c:build_table() out-of-bounds read and application crash) via a crafted Smacker stream.

CVSS Vector

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

Reference

http://www.securityfocus.com/bid/101882 https://bugzilla.libav.org/show_bug.cgi?id=1098 https://github.com/libav/libav/commit/cd4663dc80323ba64989d0c103d51ad3ee0e9c2f https://security.gentoo.org/glsa/201811-19 https://www.debian.org/security/2018/dsa-4119

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5