Vulnerability identifier: #VU29119

Vulnerability risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-13428

CWE-ID: CWE-122

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
VLC Media Player
Client/Desktop applications / Multimedia software

Vendor: VideoLAN

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the hxxx_AnnexB_to_xVC() function in modules/packetizer/hxxx_nal.c in VideoLAN VLC media player when processing H.264 Annex-B video files. A remote attacker can create a specially crafted .avi file, trick the victim into opening it, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install update from vendor's website.

Vulnerable software versions

VLC Media Player: 2.0.0 - 3.0.10

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External links
http://git.videolan.org/?p=vlc/vlc-3.0.git;a=commit;h=d5c43c21c747ff30ed19fcca745dea3481c733e0
http://github.com/videolan/vlc/commits/master/modules/packetizer/hxxx_nal.c
http://github.com/videolan/vlc-3.0/releases/tag/3.0.11

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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.