Bug 827517 (CVE-2012-1013) - CVE-2012-1013 krb5: kadmind denial of service
Summary: CVE-2012-1013 krb5: kadmind denial of service
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2012-1013
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: 827598 Embargoed839859 Embargoed839860
Blocks: Embargoed827541 Embargoed838017
TreeView+ depends on / blocked
 
Reported: 2012-06-01 16:42 UTC by Vincent Danen
Modified: 2021-02-23 14:38 UTC (History)
6 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2012-07-31 21:43:19 UTC

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2012:1131 0 normal SHIPPED_LIVE Important: krb5 security update 2012-07-31 22:55:14 UTC

Description Vincent Danen 2012-06-01 16:42:30 UTC 
MIT Kerberos 5 version 1.10.2 was released [1] and noted as fixing:

* Fix a kadmind denial of service issue (null pointer dereference), which could only be triggered by an administrator with the "create" privilege.  [CVE-2012-1013]

No information is currently available on which versions are affected by this flaw.

[1] http://mailman.mit.edu/pipermail/kerberos-announce/2012q2/000136.html
Comment 1 Vincent Danen 2012-06-01 20:17:27 UTC 
Upstream bug report:

http://krbdev.mit.edu/rt/Ticket/Display.html?id=7152

And the upstream fix:

https://github.com/krb5/krb5/commit/c5be6209311d4a8f10fda37d0d3f876c1b33b77b

This only affects krb5 1.8 and higher, and only clients authorized to create principals can trigger the bug (so requires administrative privileges).
Comment 2 Vincent Danen 2012-06-01 20:18:28 UTC 
Created krb5 tracking bugs for this issue

Affects: fedora-all [bug 827598]
Comment 4 Fedora Update System 2012-06-13 21:34:03 UTC 
krb5-1.10-7.fc17 has been pushed to the Fedora 17 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 5 Fedora Update System 2012-06-13 21:35:17 UTC 
krb5-1.9.3-2.fc16 has been pushed to the Fedora 16 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 6 Fedora Update System 2012-06-13 21:36:27 UTC 
krb5-1.9.3-2.fc15 has been pushed to the Fedora 15 stable repository.  If problems still persist, please make note of it in this bug report.
Comment 7 errata-xmlrpc 2012-07-31 18:56:57 UTC 
This issue has been addressed in following products:

  Red Hat Enterprise Linux 6

Via RHSA-2012:1131 https://rhn.redhat.com/errata/RHSA-2012-1131.html
Comment 8 Vincent Danen 2012-07-31 21:43:19 UTC 
Statement:

Not vulnerable. This issue did not affect the versions of krb5 as shipped with Red Hat Enterprise Linux 4 and 5.
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