89051 : ProFTPD Multiple FTP Command Handling Symlink Arbitrary File Overwrite
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Timeline

Disclosure Date
2012-11-08

Description

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.

Classification

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

Solution

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.

Products

The ProFTPD Project
ProFTPD
1.3.3

References

Credit

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

Comments

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