lookup ndeb-binary symlink

lookup-ndebbinary-symlink (33052)

Medium Risk

Description:

lookup could allow a local attacker to launch a symlink attack. lookup creates temporary files insecurely. If ndeb-binary is enabled, 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 DSA-1269-1 for patch, upgrade, or suggested workaround information. See References.

References:

• BID-23026: Lookup Insecure Temporary File Creation Vulnerability
• CVE-2007-0237: The ndeb-binary feature in Lookup (lookup-el) allows local users to overwrite arbitrary files via a symlink attack on temporary files.
• DSA-1269: lookup-el -- insecure temporary file
• GLSA-200712-07: Lookup: Insecure temporary file creation
• SA24377: Lookup "ndeb-binary" Insecure Temporary File Creation
• SECTRACK ID: 1017792: Lookup Symlink Bug Lets Local Users Overwrite Arbitrary Files

Platforms Affected:

• Debian Debian Linux 3.1
• Gentoo Linux

Reported:

Mar 18, 2007

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For corrections or additions please email xforce@iss.net

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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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