PulseAudio setuid Local Privilege Escalation Vulnerability

BID:35721

Info

PulseAudio setuid Local Privilege Escalation Vulnerability

Bugtraq ID: 35721
Class: Race Condition Error
CVE: CVE-2009-1894
Remote: No
Local: Yes
Published: Jul 16 2009 12:00AM
Updated: Oct 19 2009 10:28PM
Credit: Tavis Ormandy, Julien Tinnes and Yorick Koster
Vulnerable: Ubuntu Ubuntu Linux 9.04 sparc
Ubuntu Ubuntu Linux 9.04 powerpc
Ubuntu Ubuntu Linux 9.04 lpia
Ubuntu Ubuntu Linux 9.04 i386
Ubuntu Ubuntu Linux 9.04 amd64
Ubuntu Ubuntu Linux 8.10 sparc
Ubuntu Ubuntu Linux 8.10 powerpc
Ubuntu Ubuntu Linux 8.10 lpia
Ubuntu Ubuntu Linux 8.10 i386
Ubuntu Ubuntu Linux 8.10 amd64
Ubuntu Ubuntu Linux 8.04 LTS sparc
Ubuntu Ubuntu Linux 8.04 LTS powerpc
Ubuntu Ubuntu Linux 8.04 LTS lpia
Ubuntu Ubuntu Linux 8.04 LTS i386
Ubuntu Ubuntu Linux 8.04 LTS amd64
PulseAudio PulseAudio 0.9.15
PulseAudio PulseAudio 0.9.14
PulseAudio PulseAudio 0.9.10
PulseAudio PulseAudio 0.9.9
PulseAudio PulseAudio 0.9.8
PulseAudio PulseAudio 0.9.6
+ Debian Linux 4.0 sparc
+ Debian Linux 4.0 s/390
+ Debian Linux 4.0 powerpc
+ Debian Linux 4.0 mipsel
+ Debian Linux 4.0 mips
+ Debian Linux 4.0 m68k
+ Debian Linux 4.0 ia-64
+ Debian Linux 4.0 ia-32
+ Debian Linux 4.0 hppa
+ Debian Linux 4.0 arm
+ Debian Linux 4.0 amd64
+ Debian Linux 4.0 alpha
+ Debian Linux 4.0
PulseAudio PulseAudio 0.9.5
+ Debian Linux 4.0 sparc
+ Debian Linux 4.0 s/390
+ Debian Linux 4.0 powerpc
+ Debian Linux 4.0 mipsel
+ Debian Linux 4.0 mips
+ Debian Linux 4.0 m68k
+ Debian Linux 4.0 ia-64
+ Debian Linux 4.0 ia-32
+ Debian Linux 4.0 hppa
+ Debian Linux 4.0 arm
+ Debian Linux 4.0 amd64
+ Debian Linux 4.0 alpha
+ Debian Linux 4.0
Pardus Linux 2009 0
Pardus Linux 2008 0
Mandriva Linux Mandrake 2009.1 x86_64
Mandriva Linux Mandrake 2009.1
Mandriva Linux Mandrake 2009.0 x86_64
Mandriva Linux Mandrake 2009.0
Mandriva Linux Mandrake 2008.1 x86_64
Mandriva Linux Mandrake 2008.1
MandrakeSoft Enterprise Server 5 x86_64
MandrakeSoft Enterprise Server 5
Gentoo Linux
Debian Linux 5.0 sparc
Debian Linux 5.0 s/390
Debian Linux 5.0 powerpc
Debian Linux 5.0 mipsel
Debian Linux 5.0 mips
Debian Linux 5.0 m68k
Debian Linux 5.0 ia-64
Debian Linux 5.0 ia-32
Debian Linux 5.0 hppa
Debian Linux 5.0 armel
Debian Linux 5.0 arm
Debian Linux 5.0 amd64
Debian Linux 5.0 alpha
Debian Linux 5.0
Not Vulnerable:

Discussion

PulseAudio setuid Local Privilege Escalation Vulnerability

PulseAudio is prone to a local privilege-escalation vulnerability caused by a race-condition error.

Exploiting this issue could allow attackers to perform actions with superuser privileges, resulting in a complete compromise of affected computers.

Exploit / POC

PulseAudio setuid Local Privilege Escalation Vulnerability

An attacker can use standard utilities to carry out an attack.

Core Security Technologies has developed a working commercial exploit for its CORE IMPACT product. This exploit is not otherwise publicly available or known to be circulating in the wild.

Exploit code is available.

Solution / Fix

PulseAudio setuid Local Privilege Escalation Vulnerability

Solution:
Updates are available. Please see the references for more information.


Mandriva Linux Mandrake 2008.1 x86_64

Mandriva Linux Mandrake 2008.1

Debian Linux 5.0 ia-64

Mandriva Linux Mandrake 2009.1 x86_64

Ubuntu Ubuntu Linux 8.04 LTS powerpc

Ubuntu Ubuntu Linux 8.10 powerpc

Ubuntu Ubuntu Linux 8.04 LTS sparc

Ubuntu Ubuntu Linux 8.10 i386

MandrakeSoft Enterprise Server 5 x86_64

Debian Linux 5.0 alpha

Debian Linux 5.0 ia-32

Ubuntu Ubuntu Linux 8.04 LTS amd64

MandrakeSoft Enterprise Server 5

Debian Linux 5.0 s/390

Ubuntu Ubuntu Linux 9.04 sparc

Ubuntu Ubuntu Linux 9.04 powerpc

Ubuntu Ubuntu Linux 8.04 LTS lpia

Ubuntu Ubuntu Linux 8.10 lpia

Debian Linux 5.0 hppa

Ubuntu Ubuntu Linux 9.04 i386

Ubuntu Ubuntu Linux 8.10 sparc

Ubuntu Ubuntu Linux 9.04 lpia

Debian Linux 5.0 arm

Mandriva Linux Mandrake 2009.0

Ubuntu Ubuntu Linux 8.04 LTS i386

Debian Linux 5.0 amd64

Mandriva Linux Mandrake 2009.0 x86_64

Debian Linux 5.0 mips

Ubuntu Ubuntu Linux 9.04 amd64

Debian Linux 5.0 powerpc

Ubuntu Ubuntu Linux 8.10 amd64

Mandriva Linux Mandrake 2009.1

Debian Linux 5.0 sparc

References

PulseAudio setuid Local Privilege Escalation Vulnerability

References:

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