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CVE-2015-8630

7.5 · HIGH

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…

Published Feb 13, 2016EPSS 4.29%

Overview

CVE-2015-8630 is a high-severity vulnerability. It was published on February 13, 2016 and has a CVSS 3.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refkrbdev.mit.edu/rt/Ticket/Display.html?id=8342Reflists.opensuse.org/opensuse-updates/2016-02/msg00059.htmlReflists.opensuse.org/opensuse-updates/2016-02/msg00110.htmlRefrhn.redhat.com/errata/RHSA-2016-0532.htmlRefwww.debian.org/security/2016/dsa-3466Refwww.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.htmlRefwww.securitytracker.com/id/1034915GitHubgithub.com/krb5/krb5/commit/b863de7fbf080b15e347a736fdda0a82d42f4f6bRefkrbdev.mit.edu/rt/Ticket/Display.html?id=8342Reflists.opensuse.org/opensuse-updates/2016-02/msg00059.html

How CyberStrike helps

Frequently asked questions

What is CVE-2015-8630?

CVE-2015-8630 is a high-severity vulnerability. It was published on February 13, 2016 and has a CVSS 3.0 base score of 7.5 (HIGH).

How severe is CVE-2015-8630?

This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-8630?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-8630?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-8630 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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