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Apache-SSL Client Certificate Forging Vulnerability
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Secunia Advisory:
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SA10811
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Release Date:
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2004-02-09
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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: | Apache-SSL 1.3.x
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Description:
Wietse Venema has discovered a vulnerability in Apache-SSL, which can be exploited by malicious people to forge client certificates.
The problem is that client certificates can be forged using real basic authentication if "SSLFakeBasicAuth" is used and presentation of certificates is optional ("SSLVerifyClient" set to "1" or "3").
Successful exploitation requires knowledge of a valid user's "one-line DN" (Distinguished Name) and the fixed password ("password" by default).
Version 1.3.28+1.52 and prior are affected.
Solution:
Update to version 1.3.29+1.53.
http://www.apache-ssl.org/#Download
Provided and/or discovered by:
Wietse Venema
Original Advisory:
http://www.apache-ssl.org/advisory-20040206.txt
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
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1 Related Secunia Security Advisories
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1. Apache-SSL Environment Variables Manipulation Vulnerability
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