QEMU 'qemu-make-debian-root' Insecure Temporary File Creation Vulnerability

BID:30931

Info

QEMU 'qemu-make-debian-root' Insecure Temporary File Creation Vulnerability

Bugtraq ID: 30931
Class: Design Error
CVE: CVE-2008-4553
Remote: No
Local: Yes
Published: Aug 25 2008 12:00AM
Updated: Oct 20 2008 11:06PM
Credit: Dmitry E. Oboukhov
Vulnerable: QEMU QEMU 0.9.1
QEMU QEMU 0.8.2
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
Not Vulnerable:

Discussion

QEMU 'qemu-make-debian-root' Insecure Temporary File Creation Vulnerability

QEMU creates temporary files in an insecure manner.

An attacker with local access could potentially exploit this issue to perform symbolic-link attacks, overwriting arbitrary files in the context of the affected application.

Successfully mounting a symlink attack may allow the attacker to delete or corrupt sensitive files, which may result in a denial of service. Other attacks may also be possible.

QEMU 0.9.1 is vulnerable; other versions may also be affected.

Exploit / POC

QEMU 'qemu-make-debian-root' Insecure Temporary File Creation Vulnerability

An attacker uses readily available commands to exploit this issue.

Solution / Fix

QEMU 'qemu-make-debian-root' Insecure Temporary File Creation Vulnerability

Solution:
This issue has been fixed in the latest version of QEMU.


Debian Linux 4.0 amd64

Debian Linux 4.0 ia-32

Debian Linux 4.0 powerpc

References

QEMU 'qemu-make-debian-root' Insecure Temporary File Creation Vulnerability

References:
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