Heap-based buffer overflow in Libav - CVE-2018-18828

 

Heap-based buffer overflow in Libav - CVE-2018-18828

Published: July 28, 2019


Vulnerability identifier: #VU19514
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-18828
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in vc1_decode_i_block_adv() function in vc1_block. A remote attacker can use a crafted aac file to trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Libav

How to mitigate CVE-2018-18828

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


External References

Related Security Bulletins