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Category:   Application (Web Browser)  >   Mozilla Firefox Vendors:   Mozilla.org
Mozilla Firefox Race Condition in libnss CERT_DestroyCertificate() Lets Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1030617
SecurityTracker URL:  http://securitytracker.com/id/1030617
CVE Reference:   CVE-2014-1544   (Links to External Site)
Date:  Jul 22 2014
Impact:   Execution of arbitrary code via network, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): prior to 31
Description:   A vulnerability was reported in Mozilla Firefox. A remote user can cause arbitrary code to be executed on the target user's system.

A remote user can create a specially crafted certificate that, when loaded by the target user, will trigger a use-after-free and execute arbitrary code on the target system.

The flaw can be triggered when a pair of NSSCertificate structures are added to a trust domain and then one of the structures is removed while still in use by the trusted cache.

Tyson Smith and Jesse Schwartzentruber reported this vulnerability.

Impact:   A remote user can create a certificate that, when loaded by the target user, will execute arbitrary code on the target user's system.
Solution:   The vendor has issued a fix (31).

The vendor's advisory is available at:

https://www.mozilla.org/security/announce/2014/mfsa2014-63.html

Vendor URL:  www.mozilla.org/security/announce/2014/mfsa2014-63.html (Links to External Site)
Cause:   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.
Jul 22 2014 (Red Hat Issues Fix for NSS) Mozilla Firefox Race Condition in libnss CERT_DestroyCertificate() Lets Remote Users Execute Arbitrary Code
Red Hat has issued a fix for NSS for Red Hat Enterprise Linux 5, 5.6, 5.9, 6, 6.2, 6.4, and 7.
Jul 23 2014 (Red Hat Issues Fix for NSS) Mozilla Firefox Race Condition in libnss CERT_DestroyCertificate() Lets Remote Users Execute Arbitrary Code
Red Hat has issued a fix for NSS on Red Hat Enterprise Linux 6.
Sep 9 2014 (Red Hat Issues Fix for NSS) Mozilla Firefox Race Condition in libnss CERT_DestroyCertificate() Lets Remote Users Execute Arbitrary Code
Red Hat has issued a fix for Red Hat Enterprise Linux 4 Extended Life Cycle Support.



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