#VU16634 NULL pointer dereference in Freeware Advanced Audio Decoder - CVE-2018-20198 

 

#VU16634 NULL pointer dereference in Freeware Advanced Audio Decoder - CVE-2018-20198

Published: December 20, 2018


Vulnerability identifier: #VU16634
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-20198
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Freeware Advanced Audio Decoder
Software vendor:
Krzysztof Nikiel

Description

The vulnerability allows a local attacker to cause DoS condition on the target system.

The vulnerability exists due to a NULL pointer dereference in ifilter_bank of libfaad/filtbank.c. A local attacker can submit trigger a segmentation fault that causes the affected software to crash, resulting in a DoS condition because adding to windowed output is mishandled in the LONG_START_SEQUENCE case.


Remediation

Cybersecurity Help is currently unaware of any official solution to address the vulnerability.

External links