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CVE-2007-4000

8.5 · HIGH

The kadm5_modify_policy_internal function in lib/kadm5/srv/svr_policy.c in the Kerberos administration daemon (kadmind) in MIT Kerberos 5 (krb5) 1.5 through 1.6.2 does not properly check return val…

Published Sep 5, 2007mitCWE-824EPSS 6.14%

Overview

CVE-2007-4000 is a high-severity vulnerability affecting mit kerberos_5. It was published on September 5, 2007 and has a CVSS 2.0 base score of 8.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 8.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

The kadm5_modify_policy_internal function in lib/kadm5/srv/svr_policy.c in the Kerberos administration daemon (kadmind) in MIT Kerberos 5 (krb5) 1.5 through 1.6.2 does not properly check return values when the policy does not exist, which might allow remote authenticated users with the "modify policy" privilege to execute arbitrary code via unspecified vectors that trigger a write to an uninitialized pointer.

Remediation

Check the references section for vendor advisories and patches from mit. Update kerberos_5 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
mitkerberos_51.5Affected

References

Refsecunia.com/advisories/26676Refsecunia.com/advisories/26680Refsecunia.com/advisories/26700Refsecunia.com/advisories/26728Refsecunia.com/advisories/26783Refsecunia.com/advisories/26987Refsecurityreason.com/securityalert/3092Refweb.mit.edu/Kerberos/advisories/MITKRB5-SA-2007-006.txtRefwww.gentoo.org/security/en/glsa/glsa-200709-01.xmlRefwww.kb.cert.org/vuls/id/377544

How CyberStrike helps

Frequently asked questions

What is CVE-2007-4000?

CVE-2007-4000 is a high-severity vulnerability affecting mit kerberos_5. It was published on September 5, 2007 and has a CVSS 2.0 base score of 8.5 (HIGH).

How severe is CVE-2007-4000?

This vulnerability has a CVSS 2.0 base score of 8.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2007-4000?

Check the references section for vendor advisories and patches from mit. Update kerberos_5 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-2007-4000?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-4000 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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