#VU35650 Buffer overflow in Libav - CVE-2019-14441

Vulnerability identifier: #VU35650

Vulnerability risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-14441

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Libav
Client/Desktop applications / Multimedia software

Vendor: Libav

Description

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

** DISPUTED ** An issue was discovered in Libav 12.3. An access violation allows remote attackers to cause a denial of service (application crash), as demonstrated by avconv. This is related to ff_mpa_synth_filter_float in avcodec/mpegaudiodsp_template.c. NOTE: This may be a duplicate of CVE-2018-19129.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Libav: 12.3

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External links
https://bugzilla.libav.org/show_bug.cgi?id=1161#c0

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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