Vulnerability identifier: #VU14532
Vulnerability risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-617
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
FFmpeg
Universal components / Libraries /
Libraries used by multiple products
Vendor: ffmpeg.sourceforge.net
Description
The vulnerability allows a local attacker to cause DoS condition on the target system.
The vulnerability exists due to insufficient checks for an empty audio packet by the flv_write_packet function, as defined in the libavformat/flvenc.c source code file. A local attacker can access the system and execute a specially crafted application that submits malicious input to trigger an assertion failure and cause the service to crash.
Mitigation
Install update from vendor's website.
Vulnerable software versions
FFmpeg: 2.0 - 4.0.2
External links
http://github.com/FFmpeg/FFmpeg/commit/6b67d7f05918f7a1ee8fc6ff21355d7e8736aa10
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.