#VU33168 Out-of-bounds read in VLC Media Player - CVE-2019-14776

Vulnerability identifier: #VU33168

Vulnerability risk: Medium

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-14776

CWE-ID: CWE-125

Exploitation vector: Local

Exploit availability: No

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

Vendor: VideoLAN

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in DemuxInit() in demux/asf/asf.c in VideoLAN VLC media player 3.0.7.1 via a crafted .mkv file. A remote attacker can pass specially crafted data to the application, trigger out-of-bounds read error and read contents of memory on the system.

Mitigation
Update to version 3.0.8.

Vulnerable software versions

VLC Media Player: 3.0.7.1

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External links
https://git.videolan.org/?p=vlc.git&a=search&h=refs/heads/master&st=commit&s=cve-2019
https://lists.opensuse.org/opensuse-security-announce/2020-04/msg00036.html
https://lists.opensuse.org/opensuse-security-announce/2020-04/msg00046.html
https://seclists.org/bugtraq/2019/Aug/36
https://security.gentoo.org/glsa/201909-02
https://usn.ubuntu.com/4131-1/
https://www.debian.org/security/2019/dsa-4504
https://www.videolan.org/security/sb-vlc308.html

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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