#VU37133 Buffer overflow in Libav - CVE-2018-11102

Vulnerability identifier: #VU37133

Vulnerability risk: Medium

CVSSv4.0: 6.6 [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:Green]

CVE-ID: CVE-2018-11102

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.

An issue was discovered in Libav 12.3. A read access violation in the mov_probe function in libavformat/mov.c allows remote attackers to cause a denial of service (application crash), as demonstrated by avconv.

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=1128
https://docs.google.com/document/d/18xCwfxMSJiQ9ruQSVaO8-jlcobDjFiYXWOaw31V37xo/edit
https://lists.debian.org/debian-lts-announce/2019/09/msg00000.html

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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.