From: Secunia Security Advisories (sec-advsecunia.com)
Date: Mon Dec 01 2003 - 07:30:37 CST

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TITLE:
OpenCA Signature Validation Vulnerabilities

SECUNIA ADVISORY ID:
SA10324

VERIFY ADVISORY:
http://www.secunia.com/advisories/10324/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass

WHERE:
From remote

SOFTWARE:
OpenCA 0.x

DESCRIPTION:
Multiple vulnerabilities have been reported in OpenCA, which can
result in revoked or expired certificates being accepted as valid.

The vulnerabilities are caused due to errors in the regular
expressions in "OpenCA::PKCS7", and in the "crypto-utils.lib" library
when creating X.509 objects and when checking serials of certificates
used for creating a PKCS#7 signature.

The vulnerabilities affect version 0.9.1.3 and prior.

SOLUTION:
Update to version 0.9.1.4 and use newer snapshots than
openca-0.9-SNAP-20031125.tar.gz or apply patch (see original
advisory).

http://www.openca.org/openca/download-releases.shtml

ORIGINAL ADVISORY:
http://www.openca.org/news/CAN-2003-0960.txt

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