Buffer overflow in processing QuickTime IMA files in vlc (Alpine package)

1) Buffer overflow

EUVDB-ID: #VU23

Risk: High

CVSSv4.0: 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:P/U:Amber]

CVE-ID: CVE-2016-5108

CWE-ID: CWE-119 - Memory corruption

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error within the DecodeAdpcmImaQT() function in modules/codec/adpcm.c when processing QuickTime IMA Files. A remote attacker can trick the victim into opening a specially crafted media file, trigger memory corruption and execute arbitrary code on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

vlc (Alpine package): 2.1.6-r0

CPE2.3

• cpe:2.3:a:alpine:vlc_alpine_package:2.1.6-r0:*:*:*:*:alpine_linux:*:3.0

External links

https://git.alpinelinux.org/aports/commit/?id=cf3e0b7510f4fbf6d82d40f26e7ff9a8c0b5114d
https://git.alpinelinux.org/aports/commit/?id=5379cb8ea8cdccf9f13cc96100eea9feaea733c9
https://git.alpinelinux.org/aports/commit/?id=d60b150dba0c4fa8a4f1275e517f13376809c0c7
https://git.alpinelinux.org/aports/commit/?id=413a92612ceeb71984d635ed194eebbd774c8334

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. However, proof of concept for this vulnerability is available.