Gentoo Linux LSAT symlink

gentoo-lsat-symlink (33057)

Medium Risk

Description:

Gentoo Linux could allow a local attacker to launch a symlink attack. LSAT creates temporary files with predictable filenames in the /tmp directory. A local attacker could exploit this vulnerability to create or overwrite arbitrary files on the system with the privileges of the user.

*CVSS:

Base Score:	2.9
Access Vector:	Local
Access Complexity:	High
Authentication:	Not Required
Confidentiality Impact:	None
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	2.5
Exploitability:	High
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

File Manipulation

Remedy:

Refer to GLSA 200703-20 for patch, upgrade, or suggested workaround information. See References.

References:

• BID-23014: Linux Security Auditing Tool Insecure Temporary File Creation Vulnerability
• CVE-2007-1500: The Linux Security Auditing Tool (LSAT) allows local users to overwrite arbitrary files via a symlink attack on temporary files, as demonstrated using /tmp/lsat1.lsat.
• GLSA-200703-20: LSAT: Insecure temporary file creation
• SA24526: Gentoo lsat Insecure Temporary File Creation

Platforms Affected:

• Gentoo Linux

Reported:

Mar 18, 2007

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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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