CVE-2009-1894

PulseAudio setuid (Ubuntu 9.04 / Slackware 12.2.0) - Local Privilege Escalation

Severity Score

7.2

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Condición de carrera en PulseAudio v0.9.9, v0.9.10, y v0.9.14 permite a usuarios locales conseguir privilegios a través de vectores que implican la creación de "hard links", relativo a fijar la configuración de LD_BIND_NOW a 1, y entonces, llamar a execv con el objetivo /proc/self/exe symlink.

*Credits: N/A

CVSS Scores

NISTv2 7.2

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2009-06-02 CVE Reserved
2009-07-17 CVE Published
2009-07-20 First Exploit
2023-03-08 EPSS Updated
2024-08-07 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CAPEC

References (18)

URL	Tag	Source
http://blog.cr0.org/2009/07/old-school-local-root-vulnerability-in.html	X_refsource_misc
http://secunia.com/advisories/35868	Third Party Advisory
http://secunia.com/advisories/35886	Third Party Advisory
http://secunia.com/advisories/35896	Third Party Advisory
http://taviso.decsystem.org/research.html	X_refsource_misc
http://www.akitasecurity.nl/advisory.php?id=AK20090602	X_refsource_misc
http://www.securityfocus.com/archive/1/505052/100/0/threaded	Mailing List
https://admin.fedoraproject.org/updates/pulseaudio-0.9.10-1.el5.2	X_refsource_confirm
https://exchange.xforce.ibmcloud.com/vulnerabilities/51804	Vdb Entry

URL	Date	SRC
https://www.exploit-db.com/exploits/9208	2009-07-20
https://www.exploit-db.com/exploits/9207	2009-07-20
http://www.securityfocus.com/bid/35721	2024-08-07
https://bugzilla.redhat.com/show_bug.cgi?id=510071	2024-08-07

URL	Date	SRC

URL	Date	SRC
http://security.gentoo.org/glsa/glsa-200907-13.xml	2023-02-13
http://www.debian.org/security/2009/dsa-1838	2023-02-13
http://www.mandriva.com/security/advisories?name=MDVSA-2009:152	2023-02-13
http://www.mandriva.com/security/advisories?name=MDVSA-2009:171	2023-02-13
http://www.ubuntu.com/usn/usn-804-1	2023-02-13

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Pulseaudio Search vendor "Pulseaudio"		Pulseaudio Search vendor "Pulseaudio" for product "Pulseaudio"				0.9.9 Search vendor "Pulseaudio" for product "Pulseaudio" and version "0.9.9"		-		Affected
Pulseaudio Search vendor "Pulseaudio"		Pulseaudio Search vendor "Pulseaudio" for product "Pulseaudio"				0.9.10 Search vendor "Pulseaudio" for product "Pulseaudio" and version "0.9.10"		-		Affected
Pulseaudio Search vendor "Pulseaudio"		Pulseaudio Search vendor "Pulseaudio" for product "Pulseaudio"				0.9.14 Search vendor "Pulseaudio" for product "Pulseaudio" and version "0.9.14"		-		Affected