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Category:   Device (Intrusion Detection)  >   IBM Security Network IPS Vendors:   IBM
(IBM Issues Fix for IBM Security Network IPS) Mozilla Firefox MD5 Signature Support in TLS ServerKeyExchange Messages Exposes Users to Hash Collision Forgery Attacks
SecurityTracker Alert ID:  1034904
SecurityTracker URL:  http://securitytracker.com/id/1034904
CVE Reference:   CVE-2015-7575   (Links to External Site)
Date:  Feb 2 2016
Impact:   Modification of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 4.6.1, 4.6.2
Description:   A vulnerability was reported in Mozilla Firefox. A remote user can conduct hash collision forgery attacks. IBM Security Network IPS is affected.

The system allows the use of MD5 server signatures in a TLS 1.2 ServerKeyExchange message. As a result, the system may be subject to hash collision forgery attacks.

Karthikeyan Bhargavan reported this vulnerability.

Impact:   A remote user can conduct hash collision forgery attacks.
Solution:   IBM has issued a fix for IBM Security Network IPS.

The following product models are affected: GX3002, GX4002, GX4004, GX4004-v2, GX5008, GX5008-v2, GX5108, GX5108-v2, GX5208, GX5208-v2, GX6116, GX7412, GX7412-10, GX7412-05, GX7800, GV200, GV1000

The IBM advisory is available at:

https://www-304.ibm.com/support/docview.wss?uid=swg21974643

Vendor URL:  www-304.ibm.com/support/docview.wss?uid=swg21974643 (Links to External Site)
Cause:   State error

Message History:   This archive entry is a follow-up to the message listed below.
Dec 28 2015 Mozilla Firefox MD5 Signature Support in TLS ServerKeyExchange Messages Exposes Users to Hash Collision Forgery Attacks



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