CVE-2012-1013

Public Exploit

Description

The check_1_6_dummy function in lib/kadm5/srv/svr_principal.c in kadmind in MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x, and 1.10.x before 1.10.2 allows remote authenticated administrators to cause a denial of service (NULL pointer dereference and daemon crash) via a KRB5_KDB_DISALLOW_ALL_TIX create request that lacks a password.

4.0

CVSS

Severity: Medium

CVSS 2.0 •

EPSS 1.11% Top 25%

Vendor Advisory mandriva.com Vendor Advisory redhat.com Vendor Advisory opensuse.org

Affected: n/a n/a

References

Link	Tags
http://krbdev.mit.edu/rt/Ticket/Display.html?user=guest&pass=guest&id=7152
http://www.securityfocus.com/bid/53784	vdb entry
http://www.mandriva.com/security/advisories?name=MDVSA-2012:102	vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-1131.html	vendor advisory
http://web.mit.edu/kerberos/krb5-1.10/
https://bugzilla.redhat.com/show_bug.cgi?id=827517
https://hermes.opensuse.org/messages/15083635	vendor advisory
https://github.com/krb5/krb5/commit/c5be6209311d4a8f10fda37d0d3f876c1b33b77b	patch exploit
http://mailman.mit.edu/pipermail/kerberos-announce/2012q2/000136.html	mailing list

Frequently Asked Questions

What is the severity of CVE-2012-1013?: CVE-2012-1013 has been scored as a medium severity vulnerability.
How to fix CVE-2012-1013?: To fix CVE-2012-1013, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2012-1013 being actively exploited in the wild?: It is possible that CVE-2012-1013 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.