CVE-2007-1804 Information

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.

Reference

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