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Category:   Application (Security)  >   Network Security Services (NSS) Vendors:   Mozilla.org
(Oracle Issues Fix for Oracle Linux) Network Security Services (NSS) Null Pointer Dereference in ssl3_GatherData() Lets Remote Users Cause the Target Service to Crash
SecurityTracker Alert ID:  1038594
SecurityTracker URL:  http://securitytracker.com/id/1038594
CVE Reference:   CVE-2017-7502   (Links to External Site)
Date:  May 31 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:   Oracle has issued a fix.

The Oracle Linux advisory is available at:

http://linux.oracle.com/errata/ELSA-2017-1364.html

Vendor URL:  linux.oracle.com/errata/ELSA-2017-1364.html (Links to External Site)
Cause:   Access control error
Underlying OS:  Linux (Oracle)
Underlying OS Comments:  6, 7

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



 Source Message Contents

Subject:  [El-errata] ELSA-2017-1364 Important: Oracle Linux 6 nss security and bug fix update

Oracle Linux Security Advisory ELSA-2017-1364

http://linux.oracle.com/errata/ELSA-2017-1364.html

The following updated rpms for Oracle Linux 6 have been uploaded to the 
Unbreakable Linux Network:

i386:
nss-3.28.4-3.0.1.el6_9.i686.rpm
nss-devel-3.28.4-3.0.1.el6_9.i686.rpm
nss-pkcs11-devel-3.28.4-3.0.1.el6_9.i686.rpm
nss-sysinit-3.28.4-3.0.1.el6_9.i686.rpm
nss-tools-3.28.4-3.0.1.el6_9.i686.rpm

x86_64:
nss-3.28.4-3.0.1.el6_9.i686.rpm
nss-3.28.4-3.0.1.el6_9.x86_64.rpm
nss-devel-3.28.4-3.0.1.el6_9.i686.rpm
nss-devel-3.28.4-3.0.1.el6_9.x86_64.rpm
nss-pkcs11-devel-3.28.4-3.0.1.el6_9.i686.rpm
nss-pkcs11-devel-3.28.4-3.0.1.el6_9.x86_64.rpm
nss-sysinit-3.28.4-3.0.1.el6_9.x86_64.rpm
nss-tools-3.28.4-3.0.1.el6_9.x86_64.rpm


SRPMS:
http://oss.oracle.com/ol6/SRPMS-updates/nss-3.28.4-3.0.1.el6_9.src.rpm



Description of changes:

[3.28.4-3.0.1]
- Added nss-vendor.patch to change vendor
- Temporarily disable some tests until expired PayPalEE.cert is renewed

[3.28.4-3]
- Fix zero-length record treatment for stream ciphers and SSLv2

[3.28.4-2]
- Include CKBI 2.14 and updated CA constraints from NSS 3.28.5


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El-errata@oss.oracle.com
https://oss.oracle.com/mailman/listinfo/el-errata
 
 


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