#VU19519 Input validation error in Libav


Published: 2019-07-28

Vulnerability identifier: #VU19519

Vulnerability risk: Low

CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:U/RL:U/RC:C]

CVE-ID: CVE-2018-11224

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Libav
Client/Desktop applications / Multimedia software

Vendor: Libav

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the in_table_init16 function in libavcodec/aacsbr.c. A remote attacker can perform denial of service attack.

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

Vulnerable software versions

Libav: 12.3


External links
http://bugzilla.libav.org/show_bug.cgi?id=1129
http://docs.google.com/document/d/16_HC-FjFuBNMbaoR397z_3EwpDP6wb1DNWrfkD4qRDE/edit


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability