fence 'fence_apc' and 'fence_apc_snmp' Insecure Temporary File Creation Vulnerabilities

BID:31904

Info

fence 'fence_apc' and 'fence_apc_snmp' Insecure Temporary File Creation Vulnerabilities

Bugtraq ID: 31904
Class: Design Error
CVE: CVE-2008-4579
Remote: No
Local: Yes
Published: Oct 19 2008 12:00AM
Updated: Feb 17 2011 07:29PM
Credit: Red Hat
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 Workstation 5 client
RedHat Enterprise Linux 5 server
RedHat cluster2 2.3.8
Red Hat Cluster Suite WS 4
Red Hat Cluster Suite ES 4
Red Hat Cluster Suite AS 4
Gentoo Linux
Not Vulnerable:

Discussion

fence 'fence_apc' and 'fence_apc_snmp' Insecure Temporary File Creation Vulnerabilities

The 'fence' program creates temporary files in an insecure manner.

An attacker with local access could potentially exploit these issues 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 'fence' component of cluster2 2.03.08 is vulnerable; other versions may also be affected.

Exploit / POC

fence 'fence_apc' and 'fence_apc_snmp' Insecure Temporary File Creation Vulnerabilities

An attacker uses readily available commands to exploit these issues.

Solution / Fix

fence 'fence_apc' and 'fence_apc_snmp' Insecure Temporary File Creation Vulnerabilities

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


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 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 i386

Ubuntu Ubuntu Linux 8.04 LTS amd64

Ubuntu Ubuntu Linux 6.06 LTS powerpc

Ubuntu Ubuntu Linux 8.10 amd64

Ubuntu Ubuntu Linux 8.04 LTS lpia

Ubuntu Ubuntu Linux 6.06 LTS i386

References

fence 'fence_apc' and 'fence_apc_snmp' Insecure Temporary File Creation Vulnerabilities

References:

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