CVE-2018-20198 Information

Description

A NULL pointer dereference was discovered in ifilter_bank of libfaad/filtbank.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.8.8. The vulnerability causes a segmentation fault and application crash which leads to denial of service because adding to windowed output is mishandled in the LONG_START_SEQUENCE case.

CVSS Vector

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

Reference

https://github.com/knik0/faad2/issues/23 https://lists.debian.org/debian-lts-announce/2019/05/msg00022.html https://seclists.org/bugtraq/2019/Sep/28 https://security.gentoo.org/glsa/202006-17 https://www.debian.org/security/2019/dsa-4522

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

5.5