FireFlier getChains symlink

fireflier-getchains-symlink (35226)

Medium Risk

Description:

FireFlier could allow a local attacker to launch a symlink attack. The getChains function in server/rules.cpp deletes temporary files insecurely. A local attacker could exploit this vulnerability to create or overwrite arbitrary files on the system.

*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:

Upgrade to the latest version of FireFlier (1.1.7 or later), available from the SourceForge.net: Files Web site. See References.

For Debian/GNU Linux (fireflier):
Refer to DSA-1326-1 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

References:

• Debian Bug report logs - #431332: CVE-2007-2837: fireflier-server Arbitary file removal.
• SourceForge.net: Files: Release Name: fireflier-1.1.7.
• BID-24718: Fireflier-Server Insecure Temporary File Creation Vulnerability
• CVE-2007-2837: The (1) getRule and (2) getChains functions in server/rules.cpp in fireflierd (fireflier-server) in FireFlier 1.1.6 allow local users to overwrite arbitrary files via a symlink attack on the /tmp/fireflier.rules temporary file.
• DSA-1326: fireflier-server -- insecure temporary files
• SA25900: FireFlier Insecure Use of Temporary Files

Platforms Affected:

• Debian Debian Linux 4.0
• FireFlier FireFlier prior to 1.1.7

Reported:

Jul 01, 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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