Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pulseaudio | Pulseaudio | 0.9.9 |
Related Weaknesses (CWE)
References
- http://blog.cr0.org/2009/07/old-school-local-root-vulnerability-in.html
- http://secunia.com/advisories/35868
- http://secunia.com/advisories/35886
- http://secunia.com/advisories/35896
- http://security.gentoo.org/glsa/glsa-200907-13.xml
- http://taviso.decsystem.org/research.html
- http://www.akitasecurity.nl/advisory.php?id=AK20090602
- http://www.debian.org/security/2009/dsa-1838
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:152
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:171
- http://www.securityfocus.com/archive/1/505052/100/0/threaded
- http://www.securityfocus.com/bid/35721ExploitPatch
- http://www.ubuntu.com/usn/usn-804-1
- https://admin.fedoraproject.org/updates/pulseaudio-0.9.10-1.el5.2
- https://bugzilla.redhat.com/show_bug.cgi?id=510071ExploitPatch
FAQ
What is CVE-2009-1894?
CVE-2009-1894 is a vulnerability with a CVSS score of 7.2 (HIGH). 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 the...
How severe is CVE-2009-1894?
CVE-2009-1894 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-1894?
Check the references section above for vendor advisories and patch information. Affected products include: Pulseaudio Pulseaudio.