CVE-2009-1894
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.74%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a 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.
- CVSS 2.0
- 7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 0.74% probability · 52th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-362
- Affected
- pulseaudio/pulseaudio
- Source
- secalert@redhat.com
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/35721Exploit, Patch
- 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=510071Exploit, Patch
- https://exchange.xforce.ibmcloud.com/vulnerabilities/51804
- 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/35721Exploit, Patch
- http://www.ubuntu.com/usn/usn-804-1
- https://admin.fedoraproject.org/updates/pulseaudio-0.9.10-1.el5.2
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.