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WFTPD Server/Pro Server Pathname Handling Buffer Overflow
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Secunia Advisory:
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SA21547
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Release Date:
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2006-08-23
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Last Update:
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2006-08-25
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Popularity:
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4,889 views
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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 Workaround
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| Software: | WFTPD Pro Server 3.x
WFTPD Server 3.x
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Subscribe:
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| CVE reference: | CVE-2006-4318
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Description:
h07 has discovered a vulnerability in WFPTD Server/Pro Server, which can be exploited by malicious users to compromise a vulnerable system.
The vulnerability is caused due to a boundary error when processing long pathnames. This can be exploited to cause a buffer overflow by e.g. supplying an overfly long argument starting with a "/" character to the "SIZE" command.
Successful exploitation allows execution of arbitrary code.
The vulnerability has been confirmed in version 3.23. Other versions may also be affected.
Solution:
Follow the workaround suggested by the vendor.
http://www.wftpd.com/bug_gpf.htm#GPF20060721
Provided and/or discovered by:
h07
Changelog:
2006-08-24: Updated "Description" and "Solution" sections.
2006-08-25: Added CVE reference.
Original Advisory:
http://milw0rm.com/exploits/2233
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About this Secunia Advisory
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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