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>> Serv-U Directory Traversal and Denial of Service Vulnerabilities
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Two vulnerabilities have been identified in Serv-U, which could be exploited by malicious users to cause a denial of service or manipulate data.
The first issue is caused by an error when processing specially crafted arguments (e.g. "con:1") passed to the "STOU" FTP command, which could be exploited by attackers to create a denial of service condition.
The second vulnerability is caused by an input validation error when handling "RNTO" FTP commands, which could be exploited by malicious users to create or overwrite arbitrary files via a directory traversal.
Affected Products
Serv-U File Server version 7.2.0.1 and prior
Solution
Upgrade to Serv-U version 7.3.0.1 :
http://www.serv-u.com/customer/record.asp?prod=su
References
http://www.vupen.com/english/advisories/2008/2746
http://www.serv-u.com/releasenotes/
Credits
Vulnerabilities reported by dmnt.
ChangeLog
2008-10-07 : Initial release
2008-10-09 : Updated Solution
Vulnerability Management
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