A security issue has been reported in Kerberos Applications, which can be exploited by malicious users to bypass certain security restrictions.
The security issue is caused due to the FTP daemon failing to drop its effective group identifier (EGID) privileges. This can be exploited to gain access to files and directories owned by the same group as the EGID of the daemon process.
The security issue is reported in version 1.0.1 and prior.
Solution: Apply patch (please see the vendor's advisory for details).
Provided and/or discovered by: The vendor credits Tim Zingelman.
Original Advisory: http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2011-005.txt
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Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this
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Subject: Kerberos Applications GSS-API FTP Daemon Effective Group ID Privileges Security Issue
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