Vulnerability CVE-2007-1804
Published: 2007-04-02   Modified: 2012-02-12

Description:
PulseAudio 0.9.5 allows remote attackers to cause a denial of service (daemon crash) via (1) a PA_PSTREAM_DESCRIPTOR_LENGTH value of FRAME_SIZE_MAX_ALLOW sent on TCP port 9875, which triggers a p->export assertion failure in do_read; (2) a PA_PSTREAM_DESCRIPTOR_LENGTH value of 0 sent on TCP port 9875, which triggers a length assertion failure in pa_memblock_new; or (3) an empty packet on UDP port 9875, which triggers a t assertion failure in pa_sdp_parse; and allows remote authenticated users to cause a denial of service (daemon crash) via a crafted packet on TCP port 9875 that (4) triggers a maxlength assertion failure in pa_memblockq_new, (5) triggers a size assertion failure in pa_xmalloc, or (6) plays a certain sound file.

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Pulseaudio -> Pulseaudio 

 References:
http://aluigi.altervista.org/adv/pulsex-adv.txt
http://xforce.iss.net/xforce/xfdb/33315
http://www.vupen.com/english/advisories/2007/1214
http://aluigi.org/poc/pulsex.zip
http://www.ubuntu.com/usn/usn-465-1
http://www.securityfocus.com/bid/23240
http://www.novell.com/linux/security/advisories/2007_13_sr.html
http://www.mandriva.com/security/advisories?name=MDVSA-2008:065
http://secunia.com/advisories/25787
http://secunia.com/advisories/25431
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