Caudium configvar symlink

caudium-configvar-symlink (44768)

Medium Risk

Description:

Caudium could allow a local attacker to launch a symlink attack. The configvar script creates temporary files insecurely. A local attacker could exploit this vulnerability by creating a symbolic link from a temporary file to other files on the system, which would allow the attacker to overwrite arbitrary files on the system with elevated privileges.

*CVSS:

Base Score:	3.3
Access Vector:	Local
Access Complexity:	Medium
Authentication:	None
Confidentiality Impact:	None
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	3.1
Exploitability:	High
Remediation Level:	Unavailable
Report Confidence:	Uncorroborated

Consequences:

File Manipulation

Remedy:

No remedy available as of July 9, 2011.

References:

• Caudium Web site: Caudium: The Webserver.
• Debian Bug report logs - #496404: The possibility of attack with the help of symlinks in some Debian packages.
• Dmitry E. Oboukhov Advisory: Package: caudium.
• BID-30897: Caudium Insecure Temporary File Creation Vulnerability
• CVE-2008-3883: configvar in Caudium 1.4.12 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/roken#####.pike temporary file.
• SA31656: Caudium "configvar" Insecure Temporary Files

Platforms Affected:

• Caudium Caudium 1.4.12

Reported:

Aug 24, 2008

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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