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Category:   Application (Security)  >   Kerberos Vendors:   MIT
(Oracle Issues Fix for Oracle Linux) Kerberos kadmind Null Termination Bug in xdr_nullstring() Lets Remote Authenticated Users Obtain Potentially Sensitive Information
SecurityTracker Alert ID:  1035393
SecurityTracker URL:  http://securitytracker.com/id/1035393
CVE Reference:   CVE-2015-8629   (Links to External Site)
Date:  Mar 24 2016
Impact:   Disclosure of system information, Disclosure of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  

Description:   A vulnerability was reported in Kerberos. A remote authenticated user can obtain potentially sensitive information on the target system.

A remote authenticated user can send specially crafted data without a terminating zero byte to kadmind to trigger a flaw in xdr_nullstring() and obtain potentially sensitive information from memory on the target system.

Impact:   A remote authenticated user can obtain potentially sensitive information from memory on the target system.
Solution:   Oracle has issued a fix.

The Oracle Linux advisory is available at:

http://linux.oracle.com/errata/ELSA-2016-0493.html

Vendor URL:  linux.oracle.com/errata/ELSA-2016-0493.html (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Linux (Oracle)
Underlying OS Comments:  6

Message History:   This archive entry is a follow-up to the message listed below.
Feb 2 2016 Kerberos kadmind Null Termination Bug in xdr_nullstring() Lets Remote Authenticated Users Obtain Potentially Sensitive Information



 Source Message Contents

Subject:  [El-errata] ELSA-2016-0493 Moderate: Oracle Linux 6 krb5 security update

Oracle Linux Security Advisory ELSA-2016-0493

http://linux.oracle.com/errata/ELSA-2016-0493.html

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

i386:
krb5-devel-1.10.3-42z1.el6_7.i686.rpm
krb5-libs-1.10.3-42z1.el6_7.i686.rpm
krb5-pkinit-openssl-1.10.3-42z1.el6_7.i686.rpm
krb5-server-1.10.3-42z1.el6_7.i686.rpm
krb5-server-ldap-1.10.3-42z1.el6_7.i686.rpm
krb5-workstation-1.10.3-42z1.el6_7.i686.rpm

x86_64:
krb5-devel-1.10.3-42z1.el6_7.i686.rpm
krb5-devel-1.10.3-42z1.el6_7.x86_64.rpm
krb5-libs-1.10.3-42z1.el6_7.i686.rpm
krb5-libs-1.10.3-42z1.el6_7.x86_64.rpm
krb5-pkinit-openssl-1.10.3-42z1.el6_7.x86_64.rpm
krb5-server-1.10.3-42z1.el6_7.x86_64.rpm
krb5-server-ldap-1.10.3-42z1.el6_7.i686.rpm
krb5-server-ldap-1.10.3-42z1.el6_7.x86_64.rpm
krb5-workstation-1.10.3-42z1.el6_7.x86_64.rpm


SRPMS:
http://oss.oracle.com/ol6/SRPMS-updates/krb5-1.10.3-42z1.el6_7.src.rpm



Description of changes:

[1.10.3-42z1]
- Fix CVE-2015-8629 and CVE-2015-8631
- Also fix a spec trigger issue that prevents building
- Resolves: #1306973


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