CVE-2009-1894

Public Exploit

Description

Race condition in PulseAudio 0.9.9, 0.9.10, and 0.9.14 allows local users to gain privileges via vectors involving creation of a hard link, related to the application setting LD_BIND_NOW to 1, and then calling execv on the target of the /proc/self/exe symlink.

Category

7.2
CVSS
Severity: High
CVSS 2.0 •
EPSS 0.10%
Vendor Advisory mandriva.com Vendor Advisory mandriva.com Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/35868 third party advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2009:171 vendor advisory
http://blog.cr0.org/2009/07/old-school-local-root-vulnerability-in.html
https://exchange.xforce.ibmcloud.com/vulnerabilities/51804 vdb entry
http://www.akitasecurity.nl/advisory.php?id=AK20090602
http://www.mandriva.com/security/advisories?name=MDVSA-2009:152 vendor advisory
http://secunia.com/advisories/35886 third party advisory
http://www.securityfocus.com/bid/35721 exploit vdb entry patch
https://bugzilla.redhat.com/show_bug.cgi?id=510071 patch exploit
http://www.securityfocus.com/archive/1/505052/100/0/threaded mailing list
https://admin.fedoraproject.org/updates/pulseaudio-0.9.10-1.el5.2
http://www.debian.org/security/2009/dsa-1838 vendor advisory
http://secunia.com/advisories/35896 third party advisory
http://taviso.decsystem.org/research.html
http://security.gentoo.org/glsa/glsa-200907-13.xml vendor advisory
http://www.ubuntu.com/usn/usn-804-1 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2009-1894?
CVE-2009-1894 has been scored as a high severity vulnerability.
How to fix CVE-2009-1894?
To fix CVE-2009-1894, 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-2009-1894 being actively exploited in the wild?
It is possible that CVE-2009-1894 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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