CVE-2015-8630: Null Pointer Dereference
First published: Sat Feb 13 2016(Updated: )
The (1) kadm5_create_principal_3 and (2) kadm5_modify_principal functions in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.4 and 1.14.x before 1.14.1 allow remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by specifying KADM5_POLICY with a NULL policy name.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| MIT Kerberos 5 | =1.12 | |
| MIT Kerberos 5 | =1.12.1 | |
| MIT Kerberos 5 | =1.12.2 | |
| MIT Kerberos 5 | =1.12.3 | |
| MIT Kerberos 5 | =1.12.4 | |
| MIT Kerberos 5 | =1.12.5 | |
| MIT Kerberos 5 | =1.13 | |
| MIT Kerberos 5 | =1.13.1 | |
| MIT Kerberos 5 | =1.13.2 | |
| MIT Kerberos 5 | =1.13.3 | |
| MIT Kerberos 5 | =1.14 | |
| MIT Kerberos 5 | =1.14-alpha1 | |
| MIT Kerberos 5 | =1.14-beta1 | |
| MIT Kerberos 5 | =1.14-beta2 |
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Reference Links
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=8342
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00059.html
- http://lists.opensuse.org/opensuse-updates/2016-02/msg00110.html
- http://rhn.redhat.com/errata/RHSA-2016-0532.html
- http://www.debian.org/security/2016/dsa-3466
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.securitytracker.com/id/1034915
- https://github.com/krb5/krb5/commit/b863de7fbf080b15e347a736fdda0a82d42f4f6b
Frequently Asked Questions
What is the severity of CVE-2015-8630?
CVE-2015-8630 is classified as a denial of service vulnerability.
How do I fix CVE-2015-8630?
To resolve CVE-2015-8630, upgrade to MIT Kerberos 5 version 1.13.4 or later for 1.13.x series, or 1.14.1 or later for 1.14.x series.
What systems are affected by CVE-2015-8630?
CVE-2015-8630 affects MIT Kerberos 5 versions 1.12.x, 1.13.x before 1.13.4, and 1.14.x before 1.14.1.
Can remote users exploit CVE-2015-8630?
Yes, remote authenticated users can exploit CVE-2015-8630 to cause a denial of service.
What type of issues does CVE-2015-8630 cause?
CVE-2015-8630 causes a denial of service due to NULL pointer dereference.
- agent/references
- agent/type
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/severity
- agent/remedy
- agent/weakness
- agent/last-modified-date
- agent/author
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/mit
- canonical/mit kerberos 5
- version/mit kerberos 5/1.12
- version/mit kerberos 5/1.12.1
- version/mit kerberos 5/1.12.2
- version/mit kerberos 5/1.12.3
- version/mit kerberos 5/1.12.4
- version/mit kerberos 5/1.12.5
- version/mit kerberos 5/1.13
- version/mit kerberos 5/1.13.1
- version/mit kerberos 5/1.13.2
- version/mit kerberos 5/1.13.3
- version/mit kerberos 5/1.14
- version/mit kerberos 5/1.14-alpha1
- version/mit kerberos 5/1.14-beta1
- version/mit kerberos 5/1.14-beta2