Bug 1174546 (CVE-2014-5354) - CVE-2014-5354 krb5: NULL pointer dereference when using keyless entries
Summary: CVE-2014-5354 krb5: NULL pointer dereference when using keyless entries
Keywords:
Status: CLOSED NOTABUG
Alias: CVE-2014-5354
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1174985 1176002
Blocks: 1174549
TreeView+ depends on / blocked
 
Reported: 2014-12-16 02:39 UTC by Murray McAllister
Modified: 2021-02-17 05:53 UTC (History)
9 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2015-02-17 13:02:20 UTC
Embargoed:

Attachments (Terms of Use)

Description Murray McAllister 2014-12-16 02:39:31 UTC 
If kadmind were used with an LDAP back end for the KDC database, a remote, authenticated attacker could crash kadmind by inserting a principal entry with no long term keys.

It is reported that versions prior to 1.12 are not affected.

Upstream fix:

https://github.com/krb5/krb5/commit/04038bf3633c4b909b5ded3072dc88c8c419bf16

Reference:

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=773228
Comment 3 Huzaifa S. Sidhpurwala 2014-12-19 05:15:30 UTC 
Statement:

Not vulnerable. This issue does not affect the version of krb5 package as shipped with Red Hat Enterprise Linux 5, 6 and 7.
Comment 5 Huzaifa S. Sidhpurwala 2014-12-19 05:20:09 UTC 
Created krb5 tracking bugs for this issue:

Affects: fedora-21 [bug 1176002]
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