#VU19519 Input validation error in Libav - CVE-2018-11224

Vulnerability identifier: #VU19519

Vulnerability risk: Low

CVSSv4.0: 0.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

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

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

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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.