CVE-2007-1804

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.

7.8

CVSS

Severity: High

CVSS 2.0 •

EPSS 14.74% Top 10%

Vendor Advisory mandriva.com Vendor Advisory novell.com Vendor Advisory ubuntu.com

Affected: n/a n/a

References

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

Frequently Asked Questions

What is the severity of CVE-2007-1804?: CVE-2007-1804 has been scored as a high severity vulnerability.
How to fix CVE-2007-1804?: To fix CVE-2007-1804, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2007-1804 being actively exploited in the wild?: It is possible that CVE-2007-1804 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~15% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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