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ProFTPD Auth API Multiple Authentication Modules Security Issue
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Secunia Advisory:
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SA24867
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Release Date:
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2007-04-18
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Last Update:
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2007-04-27
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Popularity:
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6,846 views
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Critical:
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Less critical
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Impact:
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Security Bypass
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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: | ProFTPD 1.2.x
ProFTPD 1.3.x
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| CVE reference: | CVE-2007-2165
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Description:
A security issue has been reported in ProFTPD, which potentially can be exploited by malicious people to bypass certain security restrictions.
The security issue is caused due to an error within ProFTPD's Auth API. If multiple authentication modules are used, it is possible that one module provides data, which is then authenticated against another module. This can e.g. be exploited to bypass certain security restrictions if authentication modules are configured with different policies.
Solution:
Fixed in the CVS repository.
Provided and/or discovered by:
Evgeni Golov
Changelog:
2007-04-27: Added CVE reference.
Original Advisory:
ProFTPD:
http://bugs.proftpd.org/show_bug.cgi?id=2922
Debian:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=419255
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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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