QEMU 'vl.c' Security Bypass Vulnerability

BID:29101

Info

QEMU 'vl.c' Security Bypass Vulnerability

Bugtraq ID: 29101
Class: Access Validation Error
CVE: CVE-2008-2004
Remote: No
Local: Yes
Published: Apr 28 2008 12:00AM
Updated: May 13 2009 06:46PM
Credit: Avi Kivity
Vulnerable: 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
SuSE Linux 10.1 x86-64
SuSE Linux 10.1 x86
SuSE Linux 10.1 ppc
S.u.S.E. openSUSE 10.3
S.u.S.E. openSUSE 10.2
Redhat Enterprise Linux Virtualization 5 Server
Redhat Enterprise Linux Desktop Multi OS 5 client
Redhat Enterprise Linux Desktop 5 client
Redhat Enterprise Linux 5 Server
QEMU QEMU 0.9.1
Mandriva Linux Mandrake 2008.1 x86_64
Mandriva Linux Mandrake 2008.1
Mandriva Linux Mandrake 2008.0 x86_64
Mandriva Linux Mandrake 2008.0
Not Vulnerable:

Discussion

QEMU 'vl.c' Security Bypass Vulnerability

QEMU is prone to a security-bypass vulnerability because the application fails to properly restrict access to certain functionality.

Attackers in a guest system can exploit this issue to bypass certain security restrictions and carry out some unauthorized tasks. This may lead to various attacks.

This issue affects QEMU 0.9.1; other versions may also be vulnerable.

Exploit / POC

QEMU 'vl.c' Security Bypass Vulnerability

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Solution / Fix

QEMU 'vl.c' Security Bypass Vulnerability

Solution:
The vendor has fixed the issue in the CVS repository. Please see the references for more information.


Ubuntu Ubuntu Linux 8.10 lpia

Ubuntu Ubuntu Linux 8.10 sparc

Ubuntu Ubuntu Linux 8.04 LTS powerpc

Ubuntu Ubuntu Linux 8.10 powerpc

Ubuntu Ubuntu Linux 8.10 i386

Ubuntu Ubuntu Linux 8.04 LTS sparc

Ubuntu Ubuntu Linux 8.04 LTS i386

Ubuntu Ubuntu Linux 8.04 LTS amd64

Ubuntu Ubuntu Linux 8.10 amd64

Ubuntu Ubuntu Linux 8.04 LTS lpia

References

QEMU 'vl.c' Security Bypass Vulnerability

References:

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