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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
(Mozilla Issues Fix for Mozilla Firefox) Network Security Services (NSS) ASN.1 Parsing Flaw Lets Remote Users Forge Certificates
SecurityTracker Alert ID:  1030901
SecurityTracker URL:  http://securitytracker.com/id/1030901
CVE Reference:   CVE-2014-1568   (Links to External Site)
Date:  Sep 24 2014
Impact:   Disclosure of system information, Disclosure of user information, Modification of authentication information, Modification of system information, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to versions ESR 24.8.1, ESR 31.1.1, 32.0.3
Description:   A vulnerability was reported in Network Security Services (NSS). A remote user can forge digital certificates. Mozilla Firefox is affected.

The library does not properly parse ASN.1 values in a digital signature. A user can conduct a Bleichenbacher attack variant against the RSA algorithm to create a forged certificate.

Antoine Delignat-Lavaud of team Prosecco at Inria Paris and the Advanced Threat Research team at Intel Security separately reported this vulnerability.

Impact:   A remote user can forge digital certificates.
Solution:   Mozilla has issued a fix for Mozilla Firefox (ESR 24.8.1, ESR 31.1.1, 32.0.3).

The Mozilla advisory is available at:

https://www.mozilla.org/security/announce/2014/mfsa2014-73.html

Vendor URL:  www.mozilla.org/security/announce/2014/mfsa2014-73.html (Links to External Site)
Cause:   Authentication error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry is a follow-up to the message listed below.
Sep 24 2014 Network Security Services (NSS) ASN.1 Parsing Flaw Lets Remote Users Forge Certificates



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