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.
CVSS Severity (version 2.0):
Impact Subscore: 2.9
Exploitability Subscore: 5.5
CVSS Version 2 Metrics:
Access Vector: Local network exploitable
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Allows disruption of service
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[pulseaudio-discuss] 20140531 Remotely triggerable crash in module-rtp-recv
[oss-security] 20140604 CVE request: PulseAudio crash due to empty UDP packet
[oss-security] 20140604 Re: CVE request: PulseAudio crash due to empty UDP packet