Input validation error in Freedesktop PulseAudio

1) Input validation error

EUVDB-ID: #VU41554

Risk: Low

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

CVE-ID: CVE-2014-3970

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The pa_rtp_recv function in modules/rtp/rtp.c in the module-rtp-recv module in PulseAudio 5.0 and earlier allows remote attackers to cause a denial of service (assertion failure and abort) via an empty UDP packet.

Mitigation

Install update from vendor's website.

Vulnerable software versions

PulseAudio: 1.0 - 5.0

CPE2.3

• cpe:2.3:a:freedesktop_org:pulseaudio:1.0:*:*:*:*:*:*:*
• cpe:2.3:a:freedesktop_org:pulseaudio:1.1:*:*:*:*:*:*:*
• cpe:2.3:a:freedesktop_org:pulseaudio:1.99.1:*:*:*:*:*:*:*

External links

http://advisories.mageia.org/MGASA-2014-0440.html
http://lists.freedesktop.org/archives/pulseaudio-discuss/2014-May/020740.html
http://seclists.org/oss-sec/2014/q2/429
http://seclists.org/oss-sec/2014/q2/437
http://secunia.com/advisories/60624
http://www.mandriva.com/security/advisories?name=MDVSA-2015:134
http://www.securityfocus.com/bid/67814

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.