cman 'fence_egenera' Insecure Temporary File Creation Vulnerability

BID:30898

Info

cman 'fence_egenera' Insecure Temporary File Creation Vulnerability

Bugtraq ID: 30898
Class: Design Error
CVE: CVE-2008-4192
Remote: No
Local: Yes
Published: Aug 28 2008 12:00AM
Updated: Apr 13 2015 09:17PM
Credit: Dmitry E. Oboukhov
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
Ubuntu Ubuntu Linux 6.06 LTS sparc
Ubuntu Ubuntu Linux 6.06 LTS powerpc
Ubuntu Ubuntu Linux 6.06 LTS i386
Ubuntu Ubuntu Linux 6.06 LTS amd64
Redhat Enterprise Linux Desktop 5 client
Redhat Enterprise Linux 5 Server
Redhat cluster2 2.3.7
Redhat Cluster Suite WS 4
Redhat Cluster Suite ES 4
Redhat Cluster Suite AS 4
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

cman 'fence_egenera' Insecure Temporary File Creation Vulnerability

The 'cman' program 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.

The 'cman' component of cluster2 2.03.07 is vulnerable; other versions may also be affected.

Exploit / POC

cman 'fence_egenera' Insecure Temporary File Creation Vulnerability

An attacker uses readily available commands to exploit this issue.

Solution / Fix

cman 'fence_egenera' Insecure Temporary File Creation 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 8.10 i386

Ubuntu Ubuntu Linux 8.04 LTS sparc

Ubuntu Ubuntu Linux 6.06 LTS sparc

Ubuntu Ubuntu Linux 8.04 LTS amd64

Ubuntu Ubuntu Linux 6.06 LTS powerpc

Ubuntu Ubuntu Linux 8.04 LTS lpia

Ubuntu Ubuntu Linux 6.06 LTS i386

Ubuntu Ubuntu Linux 8.10 lpia

Ubuntu Ubuntu Linux 6.06 LTS amd64

Ubuntu Ubuntu Linux 8.10 sparc

Ubuntu Ubuntu Linux 8.04 LTS i386

Ubuntu Ubuntu Linux 8.10 amd64

References

cman 'fence_egenera' Insecure Temporary File Creation Vulnerability

References:
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