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WeeChat SSL Certificate Validation Security Issue

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Release Date:  2011-03-01    Last Update:  2012-11-12    Views:  1,953

Secunia Advisory SA43543

Where:

From remote

Impact:

Spoofing

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


JD has discovered a security issue in WeeChat, which can be exploited by malicious people to conduct spoofing attacks.

The security issue is caused due to the application not verifying the validity of the SSL certificates presented when logging in to a server which does not request a client certificate during the handshake. This can be exploited to spoof a valid server and e.g. conduct Man-in-the-Middle (MitM) attacks.

The security issue is confirmed in version 0.3.4. Other versions may also be affected.


Solution:
Update to version 0.3.5 or later.

Provided and/or discovered by:
JD

Original Advisory:
http://archives.neohapsis.com/archives/fulldisclosure/2011-02/0671.html
http://savannah.nongnu.org/patch/index.php?7459
http://weechat.org/security/

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: WeeChat SSL Certificate Validation Security Issue

User Message
johndoe1337 RE: WeeChat SSL Certificate Validation Security Issue
Member 15th Mar, 2011 23:17
Score: 0
Posts: 1
User Since: 15th Mar 2011
System Score: N/A
Location: FR
Last edited on 15th Mar, 2011 23:17
Patched in http://git.savannah.gnu.org/gitweb/?p=weechat.git;...
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