Heap-based buffer overflow in vlc (Alpine package)

1) Heap-based buffer overflow

EUVDB-ID: #VU33171

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 - Heap-based Buffer Overflow

Exploit availability: No

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

Install update from vendor's website.

Vulnerable software versions

vlc (Alpine package): 3.0.7.1-r0 - 3.0.7.1-r2

CPE2.3

• cpe:2.3:o:alpine:vlc_alpine_package:3.0.7.1-r0:*:*:*:*:alpine_linux:*:3.9
• cpe:2.3:o:alpine:vlc_alpine_package:3.0.7.1-r1:*:*:*:*:alpine_linux:*:3.9
• cpe:2.3:o:alpine:vlc_alpine_package:3.0.7.1-r2:*:*:*:*:alpine_linux:*:3.10

External links

https://git.alpinelinux.org/aports/commit/?id=312cad7bde45dd571a1b025941f2ad2f117bb22c

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.