89051 : ProFTPD Multiple FTP Command Handling Symlink Arbitrary File Overwrite
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Disclosure Date


ProFTPD contains a flaw as the program creates temporary files insecurely. It is possible for a local attacker to use a symlink attack against the MKD and XMKD FTP commands to cause the program to unexpectedly overwrite an arbitrary file and gain escalated privileges.


Location: Local Access Required
Attack Type: Race Condition
Impact: Loss of Integrity
Solution: Patch / RCS
Exploit: Exploit Private
Disclosure: Vendor Verified
OSVDB: Authentication Required


The vendor has released a patch to address this vulnerability. There are no known workarounds or upgrades to correct this issue. Check the vendor advisory, changelog, or solution in the references section for details.


The ProFTPD Project



CVSSv2 Score

CVSSv2 Base Score = 1.2
Source: nvd.nist.gov | Generated: 2013-01-25 | Disagree?

Access_vector_0 Access_complexity_0 Authentication_2 Confidentiality_impact_0 Integrity_impact_1 Availability_impact_0


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