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Ruby Modules Common Name Verification Security Issues
Secunia Advisory: SA26985
Release Date: 2007-10-02
Last Update: 2007-11-13
Popularity: 9,360 views

Critical:
Less critical
Impact: Spoofing
Where: From remote
Solution Status: Vendor Workaround

Software:Ruby 1.8.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Some security issues have been reported in Ruby, which can be exploited by malicious people to conduct spoofing attacks.

The security issues are caused due to the "net::https", "net::ftptls", "net::telnets", and "net::imap" modules not properly checking if the Common Name field provided inside SSL server certificates matches the requested hostname of a server. This can be exploited to conduct spoofing attacks.

Successful exploitation requires a MitM (Man-in-the-Middle) attack and possession of a valid certificate, which is signed by the CA specified in the client.

The security issues are reported in version 1.8.5 and 1.8.6.

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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