NULL pointer dereference in VideoLAN VLC Media Player

1) NULL pointer dereference

EUVDB-ID: #VU21093

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-14534

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dreference error in the SeekPercent() function in demux/asf/asf.c. A remote attacker can use a specially crfated media file to perform denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

VLC Media Player: 3.0.0 - 3.0.7.1

CPE2.3

• cpe:2.3:a:videolan:vlc:3.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:videolan:vlc:3.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:videolan:vlc:3.0.2:*:*:*:*:*:*:*

External links

https://git.videolan.org/?p=vlc.git&a=search&h=refs/heads/master&st=commit&s=cve-2019
https://www.videolan.org/security/sb-vlc308.html

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.