(Sun Issues Fix for Solaris) OpenSSL RSA Signatures Can Be Forged
|
|
SecurityTracker Alert ID: 1017123 |
|
SecurityTracker URL: http://securitytracker.com/id/1017123
|
|
CVE Reference:
CVE-2006-4339
(Links to External Site)
|
Date: Oct 26 2006
|
Impact:
Modification of user information
|
Fix Available: Yes Vendor Confirmed: Yes
|
Version(s): 9, 10
|
Description:
A vulnerability was reported in OpenSSL. A remote user may be able to forge certain digital signatures. Sun Solaris 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.
|
Impact:
A remote user may be able to forge signatures (and certificates).
|
Solution:
Sun has issued the following fixes.
SPARC Platform
* Solaris 10 with patch 119213-10 or later
x86 Platform
* Solaris 10 with patch 119214-10 or later
Sun is working on a fix for Solaris 9.
The Sun advisory is available at:
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102656-1
|
Vendor URL: sunsolve.sun.com/search/document.do?assetkey=1-26-102656-1 (Links to External Site)
|
Cause:
Authentication error
|
Underlying OS:
|
|
Message History:
This archive entry is a follow-up to the message listed below.
|
Source Message Contents
|
Date: Thu, 26 Oct 2006 01:49:23 -0400
Subject: Security Vulnerability Issue of Forged RSA Signatures for Java Enterprise System and Solaris
|
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102656-1
CVE-2006-4339
|
|
