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Category:   Application (Security)  >   Network Security Services (NSS) Vendors:   Mozilla.org
(Ubuntu Issues Fix) Network Security Services (NSS) Null Pointer Dereference in ssl3_GatherData() Lets Remote Users Cause the Target Service to Crash
SecurityTracker Alert ID:  1039025
SecurityTracker URL:  http://securitytracker.com/id/1039025
CVE Reference:   CVE-2017-7502   (Links to External Site)
Date:  Aug 1 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 3.24.0 - 3.30.2
Description:   A vulnerability was reported in Network Security Services (NSS). A remote user can cause the target service to crash.

A remote user can send specially crafted (empty) SSLv2 messages to trigger a null pointer dereference in ssl3_GatherData() and cause the target application using Network Security Services (NSS) to crash.

Impact:   A remote user can cause the target application using NSS to crash.
Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

https://www.ubuntu.com/usn/usn-3372-1

Vendor URL:  www.ubuntu.com/usn/usn-3372-1 (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  12.04 ESM

Message History:   This archive entry is a follow-up to the message listed below.
May 30 2017 Network Security Services (NSS) Null Pointer Dereference in ssl3_GatherData() Lets Remote Users Cause the Target Service to Crash



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