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Category:   Application (VPN)  >   OpenSSL Vendors:   OpenSSL.org
OpenSSL Invalid TLS/DTLS Record Processing Lets Remote Users Deny Service
SecurityTracker Alert ID:  1027057
SecurityTracker URL:  http://securitytracker.com/id/1027057
CVE Reference:   CVE-2012-2333   (Links to External Site)
Date:  May 11 2012
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to versions 0.9.8x, 1.0.0j, 1.0.1c
Description:   A vulnerability was reported in OpenSSL. A remote user can cause denial of service conditions.

A remote user can send specially crafted TLS/DTLS records to cause denial of service conditions.

The CBC mode ciphersuites in TLS 1.1, 1.2 and DTLS are affected

Both clients and servers are affected.

DTLS is affected in all versions of OpenSSL.

TLS is affected in OpenSSL version 1.0.1 and later.

Codenomicon reported this vulnerability.

Impact:   A remote user can cause denial of service conditions.
Solution:   The vendor has issued a fix (0.9.8x, 1.0.0j, 1.0.1c).

The vendor's advisory is available at:

http://www.openssl.org/news/secadv_20120510.txt

Vendor URL:  www.openssl.org/news/secadv_20120510.txt (Links to External Site)
Cause:   Input validation error, State error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
May 29 2012 (Red Hat Issues Fix) OpenSSL Invalid TLS/DTLS Record Processing Lets Remote Users Deny Service
Red Hat has issued a fix for Red Hat Enterprise Linux 5 and 6.
Jun 8 2012 (NetBSD Issues Fix) OpenSSL Invalid TLS/DTLS Record Processing Lets Remote Users Deny Service
NetBSD has issued a fix.
Sep 27 2012 (HP Issues Fix for HP-UX) OpenSSL Invalid TLS/DTLS Record Processing Lets Remote Users Deny Service
HP has issued a fix for HP-UX.
Nov 29 2012 (IBM Issues Fix for IBM Tivoli Management Framework) OpenSSL Invalid TLS/DTLS Record Processing Lets Remote Users Deny Service
IBM has issued a fix for IBM Tivoli Management Framework.
Mar 26 2013 (HP Issues Fix for OpenVMS) OpenSSL Invalid TLS/DTLS Record Processing Lets Remote Users Deny Service
HP has issued a fix for OpenVMS.



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