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

1) Buffer overflow in processing QuickTime IMA files

EUVDB-ID: #VU23

Risk: High

CVSSv3.1: 8.6 [AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2016-5108

CWE-ID: CWE-521 - Weak Password Requirements

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 in VLC Media Player when processing QuickTime IMA Files. A remote unauthenticated attacker can cause buffer overflow by creating a specially crafted QuickTime IMA file that, when loaded by the victim, will trigger a buffer overflow in DecodeAdpcmImaQT() in 'modules/codec/adpcm.c' 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): 2.1.6-r0

External links

http://git.alpinelinux.org/aports/commit/?id=cf3e0b7510f4fbf6d82d40f26e7ff9a8c0b5114d
http://git.alpinelinux.org/aports/commit/?id=5379cb8ea8cdccf9f13cc96100eea9feaea733c9
http://git.alpinelinux.org/aports/commit/?id=d60b150dba0c4fa8a4f1275e517f13376809c0c7
http://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.