(BEA Issues Fix for WebLogic) OpenSSL RSA Signatures Can Be Forged
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SecurityTracker Alert ID: 1018056 |
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SecurityTracker URL: http://securitytracker.com/id/1018056
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CVE Reference:
CVE-2006-4339
(Links to External Site)
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Date: May 14 2007
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Impact:
Modification of user information
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 7.1, 8.0, 9.0, 9.1, 9.2
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Description:
A vulnerability was reported in OpenSSL. A remote user may be able to forge certain digital signatures. BEA WebLogic is affected.
If an RSA key with exponent 3 is used, a remote user may be able to forge a PKCS #1 v1.5 signature for that key.
Software that uses PKCS #1 v1.5 may be affected. Software that uses OpenSSL to verify X.509 certificates may also be affected.
Daniel Bleichenbacher reported the type of attack that is possible against PKCS #1 v1.5 signatures.
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Impact:
A remote user may be able to forge signatures (and certificates).
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Solution:
BEA has issued fixes for WebLogic, which is affected by this SSL vulnerability.
The BEA advisory is available at:
http://dev2dev.bea.com/pub/advisory/238
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Cause:
Authentication error
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Underlying OS:
Linux (Red Hat Enterprise), Linux (SuSE), UNIX (AIX), UNIX (HP/UX), UNIX (Solaris - SunOS)
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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Date: Mon, 14 May 2007 16:34:58 -0400
Subject: BEA WebLogic
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BEA07-169.00
http://dev2dev.bea.com/pub/advisory/238
CVE-2006-4339
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