#VU11781 Out-of-bounds read in FFmpeg - CVE-2018-9841

 

#VU11781 Out-of-bounds read in FFmpeg - CVE-2018-9841

Published: April 12, 2018


Vulnerability identifier: #VU11781
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-9841
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
FFmpeg
Software vendor:
ffmpeg.sourceforge.net

Description

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

The weakness exists in the export function in the libavfilter/vf_signature.c source code file when processing files with long filenames. A remote attacker can trick the victim into opening a specially crafted file with a long filename, trigger out-of-array access and cause the service to crash.

Remediation

Install update from vendor's website.

External links