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OpenCA libCheckSignature Signature Validation Vulnerability
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Secunia Advisory:
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SA10664
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Release Date:
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2004-01-20
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Popularity:
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5,661 views
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Critical:
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Moderately critical
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Impact:
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Security Bypass
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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: | OpenCA 0.x
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| CVE reference: | CVE-2004-0004
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Description:
A vulnerability has been identified in OpenCA, which may result in an incorrect signature being accepted.
The vulnerability is caused due to a validation error in the "libCheckSignature()" function. The problem is that only the serial is compared between a certificate in the database and a signer's certificate when checking signatures.
All versions prior to 0.9.1.7 are vulnerable.
Solution:
Update to version 0.9.1.7.
http://www.openca.org/openca/download-releases.shtml
Provided and/or discovered by:
Reported by vendor.
Original Advisory:
OpenCA Security Advisory (2004-0004):
http://www.openca.org/news/CAN-2004-0004.txt
Other References:
CERT VU#336446:
http://www.kb.cert.org/vuls/id/336446
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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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