QEMU Security Bypass Vulnerability

BID:30604

Info

QEMU Security Bypass Vulnerability

Bugtraq ID: 30604
Class: Access Validation Error
CVE: CVE-2008-1945
Remote: No
Local: Yes
Published: Aug 07 2008 12:00AM
Updated: May 25 2009 07:30PM
Credit: The vendor disclosed this issue.
Vulnerable: XenSource Xen 3.2
XenSource Xen 3.1.2
XenSource Xen 3.1.1
XenSource Xen 3.0.3
XenSource Xen 3.0
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 SUSE Linux Enterprise Server 11
+ Linux kernel 2.6.5
SuSE SUSE Linux Enterprise Server 10
S.u.S.E. openSUSE 11.1
S.u.S.E. openSUSE 11.0
S.u.S.E. openSUSE 10.3
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
Pardus Linux 2008 0
Mandriva Linux Mandrake 2008.1 x86_64
Mandriva Linux Mandrake 2008.1
Mandriva Linux Mandrake 2008.0 x86_64
Mandriva Linux Mandrake 2008.0
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
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 armel
Debian Linux 4.0 arm
Debian Linux 4.0 amd64
Debian Linux 4.0 alpha
Debian Linux 4.0
Not Vulnerable:

Discussion

QEMU 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.

Exploit / POC

QEMU 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 Security Bypass Vulnerability

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


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

Debian Linux 5.0 ia-32

Ubuntu Ubuntu Linux 8.04 LTS amd64

Ubuntu Ubuntu Linux 8.04 LTS lpia

Ubuntu Ubuntu Linux 8.10 lpia

Debian Linux 4.0 amd64

Debian Linux 4.0 ia-32

Ubuntu Ubuntu Linux 8.10 sparc

Ubuntu Ubuntu Linux 8.04 LTS i386

Debian Linux 5.0 amd64

Debian Linux 5.0 powerpc

Ubuntu Ubuntu Linux 8.10 amd64

Debian Linux 5.0 sparc

References

QEMU Security Bypass Vulnerability

References:
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