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Serv-U FTP Server "SITE CHMOD" Command Buffer Overflow Vulnerability
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Secunia Advisory:
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SA10706
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Release Date:
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2004-01-26
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Critical:
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Moderately critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| Software: | Serv-U FTP Server 4.x
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Description:
kkqq has reported a vulnerability in Serv-U FTP Server, which can be exploited by malicious users to compromise a vulnerable system.
The vulnerability is caused due to a boundary error in the handling of the "SITE CHMOD" command. This can be exploited by supplying an overly long (256 bytes) filename as argument, which causes a buffer overflow when constructing an error response.
Successful exploitation may reportedly allow execution of arbitrary code.
The vulnerability has been reported in versions prior to 5.0.
Solution:
Upgrade to version 5.0.
http://www.serv-u.com/
Provided and/or discovered by:
kkqq
Original Advisory:
http://www.0x557.org/release/servu.txt
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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3 Related Secunia Security Advisories
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1. Serv-U FTP Server "STOU" Command Denial of Service Vulnerability
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2. Serv-U FTP Server MDTM Command Buffer Overflow Vulnerability
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3. Serv-U Denial of Service
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