#VU33171 Heap-based buffer overflow in VLC Media Player - CVE-2019-14970

Vulnerability identifier: #VU33171

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-2019-14970

CWE-ID: CWE-122

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 execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in A vulnerability in mkv::event_thread_t in VideoLAN VLC media player 3.0.7.1. A remote attacker can use a crafted .mkv file. to 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
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.