NULL pointer dereference in VideoLAN VLC Media Player

1) NULL pointer dereference

EUVDB-ID: #VU21093

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

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

External links

http://git.videolan.org/?p=vlc.git&a=search&h=refs/heads/master&st=commit&s=cve-2019
http://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.