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Insecure Library Loading
Moderately critical

KDE KSSL NULL Character Certificate Spoofing Vulnerability

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Release Date:  2009-09-03    Views:  3,602

Secunia Advisory SA36468

Where:

From remote

Impact:

Spoofing

Solution Status:

Unpatched

Software:

CVE Reference(s):

Description


A vulnerability has been reported in KDE, which can be exploited by malicious people to conduct spoofing attacks.

The vulnerability is caused due to an error in KSSL when processing certificates having a Subject Alternative Name containing NULL ('\0') characters. This can be exploited to e.g. conduct Man-in-the-Middle (MitM) attacks via specially crafted certificates.

This is related to vulnerability #2 in:
SA36093


Solution:
Do not rely on the security provided by SSL connections.

Provided and/or discovered by:
Independently discovered by Dan Kaminsky and Moxie Marlinspike.

Original Advisory:
https://bugzilla.redhat.com/show_bug.cgi?id=520661

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: KDE KSSL NULL Character Certificate Spoofing Vulnerability

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