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CVE-2007-3999

10.0 · HIGH

Stack-based buffer overflow in the svcauth_gss_validate function in lib/rpc/svc_auth_gss.c in the RPCSEC_GSS RPC library (librpcsecgss) in MIT Kerberos 5 (krb5) 1.4 through 1.6.2, as used by the Ke…

Published Sep 5, 2007mitCWE-119EPSS 10.91%

Overview

CVE-2007-3999 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 10.0 (HIGH).

This vulnerability has a CVSS 2.0 base score of 10.0, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Stack-based buffer overflow in the svcauth_gss_validate function in lib/rpc/svc_auth_gss.c in the RPCSEC_GSS RPC library (librpcsecgss) in MIT Kerberos 5 (krb5) 1.4 through 1.6.2, as used by the Kerberos administration daemon (kadmind) and some third-party applications that use krb5, allows remote attackers to cause a denial of service (daemon crash) and probably execute arbitrary code via a long string in an RPC message.

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

References

Refdocs.info.apple.com/article.html?artnum=307041Reflists.apple.com/archives/security-announce/2007/Nov/msg00002.htmlReflists.rpath.com/pipermail/security-announce/2007-September/000237.htmlRefsecunia.com/advisories/26676Refsecunia.com/advisories/26680Refsecunia.com/advisories/26684Refsecunia.com/advisories/26691Refsecunia.com/advisories/26697Refsecunia.com/advisories/26699Refsecunia.com/advisories/26700

How CyberStrike helps

Frequently asked questions

What is CVE-2007-3999?

CVE-2007-3999 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 10.0 (HIGH).

How severe is CVE-2007-3999?

This vulnerability has a CVSS 2.0 base score of 10.0, 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-2007-3999?

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-2007-3999?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-3999 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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