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Category:   Application (VPN)  >   OpenSSL Vendors:   OpenSSL.org
OpenSSL Stored Session Cache Modification Bug May Let Remote Users Downgrade the Ciphersuite
SecurityTracker Alert ID:  1024822
SecurityTracker URL:  http://securitytracker.com/id/1024822
CVE Reference:   CVE-2010-4180   (Links to External Site)
Date:  Dec 3 2010
Impact:   Modification of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 0.9.8q, 1.0.0 prior to 1.0.0c
Description:   A vulnerability was reported in OpenSSL. A remote user can cause the ciphersuite to be downgraded.

A remote client user can modify the stored session cache ciphersuite, which may cause the ciphersuite to be downgraded to a weaker one on subsequent connections.

Martin Rex reported reported this vulnerability.

Impact:   A remote user can cause the ciphersuite to be downgraded.
Solution:   The vendor has issued a fix (0.9.8q, 1.0.0c).

The vendor's advisory is available at:

http://openssl.org/news/secadv_20101202.txt

Vendor URL:  openssl.org/news/secadv_20101202.txt (Links to External Site)
Cause:   Access control error
Underlying OS:   Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Dec 13 2010 (Red Hat Issues Fix) OpenSSL Stored Session Cache Modification Bug May Let Remote Users Downgrade the Ciphersuite   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 6.
Dec 14 2010 (Red Hat Issues Fix) OpenSSL Stored Session Cache Modification Bug May Let Remote Users Downgrade the Ciphersuite   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 4.
Dec 14 2010 (Red Hat Issues Fix) OpenSSL Stored Session Cache Modification Bug May Let Remote Users Downgrade the Ciphersuite   (bugzilla@redhat.com)
Red Hat has issued a fix for Red Hat Enterprise Linux 5.
Feb 3 2011 (Blue Coat Issues Fix for ProxySG) OpenSSL Stored Session Cache Modification Bug May Let Remote Users Downgrade the Ciphersuite
Blue Coat has issued a fix for Blue Coat ProxySG.
Mar 3 2011 (HP Issues Fix for HP-UX) OpenSSL Stored Session Cache Modification Bug May Let Remote Users Downgrade the Ciphersuite
HP has issued a fix for HP-UX 11.11, 11.23, and 11.31.
May 2 2011 (Oracle Issues Fix for Solaris) OpenSSL Stored Session Cache Modification Bug May Let Remote Users Downgrade the Ciphersuite
Oracle has issued a fix for Solaris 10.
Aug 15 2011 (Novell Issues Fix for Novell eDirectory) OpenSSL Stored Session Cache Modification Bug May Let Remote Users Downgrade the Ciphersuite
Novell has issued a fix for eDirectory.
Oct 29 2011 (VMware Issues Fix for ESX) OpenSSL Stored Session Cache Modification Bug May Let Remote Users Downgrade the Ciphersuite   (VMware Security Response Team <security@vmware.com>)
VMware has issued a fix for VMware ESX.
Nov 5 2011 (IBM Issues Fix for AIX) OpenSSL Stored Session Cache Modification Bug May Let Remote Users Downgrade the Ciphersuite
IBM has issued a fix for AIX 5.3, 6.1, and 7.1.
Nov 8 2011 (HP Issues Fix for HP Integrated Lights-Out) OpenSSL Stored Session Cache Modification Bug May Let Remote Users Downgrade the Ciphersuite
HP has issued a fix for HP Integrated Lights-Out 2 and 3.
Mar 23 2012 (Blue Coat Issues Fix for Director) OpenSSL Stored Session Cache Modification Bug May Let Remote Users Downgrade the Ciphersuite
Blue Coat has issued a fix for Director.
Mar 23 2012 (Blue Coat Issues Fix for ProxyAV) OpenSSL Stored Session Cache Modification Bug May Let Remote Users Downgrade the Ciphersuite
Blue Coat has issued a fix for ProxyAV.
Mar 23 2012 (Blue Coat Issues Fix for ProxySG) OpenSSL Stored Session Cache Modification Bug May Let Remote Users Downgrade the Ciphersuite
Blue Coat has issued a fix for ProxySG.
Mar 23 2012 (Blue Coat Issues Fix for PacketShaper) OpenSSL Stored Session Cache Modification Bug May Let Remote Users Downgrade the Ciphersuite
Blue Coat has issued a fix for PacketShaper.
Sep 26 2012 (Oracle Issues Fix for Sun SPARC Enterprise M-Series) OpenSSL Stored Session Cache Modification Bug May Let Remote Users Downgrade the Ciphersuite
Oracle issues fix for Sun SPARC Enterprise M-Series servers.



 Source Message Contents

Date:  Fri, 03 Dec 2010 15:33:46 +0000
Subject:  OpenSSL


http://openssl.org/news/secadv_20101202.txt

CVE-2010-4180

 
 


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