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CVE-2011-1530

6.8 · MEDIUM

The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.2 allows remote authenticated users to cause a denial of service (NULL…

Published Dec 8, 2011mitCWE-399EPSS 2.38%

Overview

CVE-2011-1530 is a medium-severity vulnerability affecting mit mit_kerberos. It was published on December 8, 2011 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS request that triggers an error other than the KRB5_KDB_NOENTRY error.

Remediation

Check the references section for vendor advisories and patches from mit. Update mit_kerberos to the latest patched version. 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.

Affected products

VendorProductVersionsStatus

References

Refsecunia.com/advisories/47124Refsecuritytracker.com/id?1026374Refweb.mit.edu/kerberos/advisories/MITKRB5-SA-2011-007.txtRefwww.mandriva.com/security/advisories?name=MDVSA-2011:184Refwww.redhat.com/support/errata/RHSA-2011-1790.htmlRefwww.securityfocus.com/archive/1/520756/100/0/threadedRefwww.securityfocus.com/bid/50929Refexchange.xforce.ibmcloud.com/vulnerabilities/71655Refsecunia.com/advisories/47124Refsecuritytracker.com/id?1026374

How CyberStrike helps

Frequently asked questions

What is CVE-2011-1530?

CVE-2011-1530 is a medium-severity vulnerability affecting mit mit_kerberos. It was published on December 8, 2011 and has a CVSS 2.0 base score of 6.8 (MEDIUM).

How severe is CVE-2011-1530?

This vulnerability has a CVSS 2.0 base score of 6.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2011-1530?

Check the references section for vendor advisories and patches from mit. Update mit_kerberos to the latest patched version. 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-2011-1530?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2011-1530 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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