Divide-by-zero in FFmpeg - CVE-2018-14395

 

Divide-by-zero in FFmpeg - CVE-2018-14395

Published: July 23, 2018 / Updated: July 23, 2018


Vulnerability identifier: #VU13983
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-14395
CWE-ID: CWE-369
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 unauthenticated attacker to cause DoS condition.

The vulnerability exists due to boundary error when the mov_write_audio_tag() function, as defined in the libavformat/movenc.c source code file of the affected software, is used. A remote attacker can trick the victim into opening a specially crafted audio file that submits malicious input, trigger a divide-by-zero error and cause the service to crash.


How to mitigate CVE-2018-14395

Update to version 4.0.2.

Sources