Out-of-bounds read in FFmpeg - CVE-2017-17081

 

Out-of-bounds read in FFmpeg - CVE-2017-17081

Published: January 29, 2018


Vulnerability identifier: #VU10324
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-17081
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: ffmpeg.sourceforge.net
Affected software:
FFmpeg

Detailed vulnerability description

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

The weakness exists in the gmc_mmx function in libavcodec/x86/mpegvideodsp.c due to improper validation of widths and heights. A remote attacker can supply specially crafted MPEG file, trigger integer signedness error and out-of-array read to cause the service to crash.

How to mitigate CVE-2017-17081

Install update to vendor's website.

Sources