wu-ftpd contains a flaw that may allow a malicious user to overwrite arbitrary files. The issue is triggered when an attacker sends a specially formed rnfr command. It is possible that the flaw may allow the attacker to overwrite any file on the system as root resulting in a loss of integrity.
Classification
Location:
Remote / Network Access
Attack Type:
Input Manipulation
Impact:
Loss of Integrity
Exploit:
Exploit Unknown
Disclosure:
OSVDB Verified
Solution
Upgrade to version 2.4.2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.
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