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Category:   Application (Security)  >   Kerberos Vendors:   MIT
(CentOS Issues Fix) Kerberos kadmind Null Termination Bug in xdr_nullstring() Lets Remote Authenticated Users Obtain Potentially Sensitive Information
SecurityTracker Alert ID:  1035447
SecurityTracker URL:  http://securitytracker.com/id/1035447
CVE Reference:   CVE-2015-8629   (Links to External Site)
Date:  Apr 1 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:   CentOS has issued a fix.

x86_64:
8f43414cef4c2ef434e977bbc8e006391ae4f009f763347fb24916594ec5dd2d krb5-devel-1.13.2-12.el7_2.i686.rpm
f10eb2f939a690992d3204b853d61d2ebfeb61b532165b67bee07c94d467e4ef krb5-devel-1.13.2-12.el7_2.x86_64.rpm
7a9d4e3dec2a3fa6ce00ba03c9b67868ddd65e060711df853e55cf6171ed8e0d krb5-libs-1.13.2-12.el7_2.i686.rpm
d3d103178ccc45f075741b5b8aa42641a73d194d0f9d8c2b94b277f0a07d6ac4 krb5-libs-1.13.2-12.el7_2.x86_64.rpm
9aba393067e006802f02218ab701ee7eb10f1d6b04b4b34367926cb00890e557 krb5-pkinit-1.13.2-12.el7_2.x86_64.rpm
4146f1d31d1de57cd4ad27f30c59ea65eeb13327e24d821a06f43ba602f7c37b krb5-server-1.13.2-12.el7_2.x86_64.rpm
ba5468586fad7d64f7c8e597c4176c95c1bf14dc8c7f0b071242c10c302b4f23 krb5-server-ldap-1.13.2-12.el7_2.x86_64.rpm
e4d430ee5ee338b9d7ae871699be80a3efc3466ddb9a0faa3bf7936bcd6c3644 krb5-workstation-1.13.2-12.el7_2.x86_64.rpm

Source:
601e9f0f281b06df01916bccf9ba7359efbe5dc2c177caf5c6338bb60ae11139 krb5-1.13.2-12.el7_2.src.rpm

Cause:   Access control error, Input validation error
Underlying OS:  Linux (CentOS)
Underlying OS Comments:  7

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:  [CentOS-announce] CESA-2016:0532 Moderate CentOS 7 krb5 Security Update


CentOS Errata and Security Advisory 2016:0532 Moderate

Upstream details at : https://rhn.redhat.com/errata/RHSA-2016-0532.html

The following updated files have been uploaded and are currently 
syncing to the mirrors: ( sha256sum Filename ) 

x86_64:
8f43414cef4c2ef434e977bbc8e006391ae4f009f763347fb24916594ec5dd2d  krb5-devel-1.13.2-12.el7_2.i686.rpm
f10eb2f939a690992d3204b853d61d2ebfeb61b532165b67bee07c94d467e4ef  krb5-devel-1.13.2-12.el7_2.x86_64.rpm
7a9d4e3dec2a3fa6ce00ba03c9b67868ddd65e060711df853e55cf6171ed8e0d  krb5-libs-1.13.2-12.el7_2.i686.rpm
d3d103178ccc45f075741b5b8aa42641a73d194d0f9d8c2b94b277f0a07d6ac4  krb5-libs-1.13.2-12.el7_2.x86_64.rpm
9aba393067e006802f02218ab701ee7eb10f1d6b04b4b34367926cb00890e557  krb5-pkinit-1.13.2-12.el7_2.x86_64.rpm
4146f1d31d1de57cd4ad27f30c59ea65eeb13327e24d821a06f43ba602f7c37b  krb5-server-1.13.2-12.el7_2.x86_64.rpm
ba5468586fad7d64f7c8e597c4176c95c1bf14dc8c7f0b071242c10c302b4f23  krb5-server-ldap-1.13.2-12.el7_2.x86_64.rpm
e4d430ee5ee338b9d7ae871699be80a3efc3466ddb9a0faa3bf7936bcd6c3644  krb5-workstation-1.13.2-12.el7_2.x86_64.rpm

Source:
601e9f0f281b06df01916bccf9ba7359efbe5dc2c177caf5c6338bb60ae11139  krb5-1.13.2-12.el7_2.src.rpm



-- 
Johnny Hughes
CentOS Project { http://www.centos.org/ }
irc: hughesjr, #centos@irc.freenode.net
Twitter: @JohnnyCentOS

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