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ProFTPD SSL Certificate NULL Character Processing Security Issue
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Secunia Advisory:
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SA37131
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Release Date:
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2009-10-26
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Popularity:
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854 views
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Critical:
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Less critical
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Impact:
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Spoofing
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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: | ProFTPD 1.3.x
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Secunia CVSS-2 Score:
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Available in Secunia business solutions 
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| Advisory Content (Page 1 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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Description:
A security issue has been reported in ProFTPD, which can be exploited by malicious people to conduct spoofing attacks.
The security issues is caused due to an error in the "mod_tls" module when processing client SSL certificates. This can be exploited to trick a server into accepting a potentially malicious SSL certificate by including a NULL character in the "subjectAltName" certificate field.
This is related to vulnerability #2 in:
SA36093
NOTE: The security issue only affects systems having "UseReverseDNS" and "TLSVerifyClient" enabled, and "dNSNameRequired" set in "TLSOptions".
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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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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