Bug 1319616 (CVE-2016-3119) - CVE-2016-3119 krb5: null pointer dereference in kadmin
Summary: CVE-2016-3119 krb5: null pointer dereference in kadmin
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2016-3119
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1319617 1339562
Blocks: 1319623 1323912
TreeView+ depends on / blocked
 
Reported: 2016-03-21 08:35 UTC by Andrej Nemec
Modified: 2019-09-29 13:45 UTC (History)
19 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
A NULL pointer dereference flaw was found in MIT Kerberos kadmind service. An authenticated attacker with permission to modify a principal entry could use this flaw to cause kadmind to dereference a null pointer and crash by supplying an empty DB argument to the modify_principal command, if kadmind was configured to use the LDAP KDB module.
Clone Of:
Environment:
Last Closed: 2019-06-08 02:49:54 UTC
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2016:2591 0 normal SHIPPED_LIVE Low: krb5 security, bug fix, and enhancement update 2016-11-03 12:10:29 UTC

Description Andrej Nemec 2016-03-21 08:35:45 UTC 
It was reported that in all versions of MIT krb5, an authenticated attacker with permission to modify a principal entry can cause kadmind to dereference a null pointer by supplying an empty DB argument to the modify_principal command, if kadmind is configured to use the LDAP KDB module.

Upstream patch:

https://github.com/krb5/krb5/commit/08c642c09c38a9c6454ab43a9b53b2a89b9eef99
Comment 1 Andrej Nemec 2016-03-21 08:36:21 UTC 
Created krb5 tracking bugs for this issue:

Affects: fedora-all [bug 1319617]
Comment 3 errata-xmlrpc 2016-11-03 20:24:55 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2016:2591 https://rhn.redhat.com/errata/RHSA-2016-2591.html
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