#VU27925 Out-of-bounds read in VLC Media Player - CVE-2019-19721

Vulnerability identifier: #VU27925

Vulnerability risk: Low

CVSSv4.0: 0.2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2019-19721

CWE-ID: CWE-125

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 gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within DecodeBlock in sdl_image.c. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger a one byte out-of-bounds read error and read contents of memory on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

VLC Media Player: 3.0.0 - 3.0.8

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External links
https://www.videolan.org/security/sb-vlc309.html

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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.