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CVE-2007-4743

10.0 · HIGH

The original patch for CVE-2007-3999 in svc_auth_gss.c in the RPCSEC_GSS RPC library in MIT Kerberos 5 (krb5) 1.4 through 1.6.2, as used by the Kerberos administration daemon (kadmind) and other ap…

Published Sep 6, 2007mitCWE-119EPSS 4.61%

Overview

CVE-2007-4743 is a high-severity vulnerability affecting mit kerberos_5. It was published on September 6, 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

The original patch for CVE-2007-3999 in svc_auth_gss.c in the RPCSEC_GSS RPC library in MIT Kerberos 5 (krb5) 1.4 through 1.6.2, as used by the Kerberos administration daemon (kadmind) and other applications that use krb5, does not correctly check the buffer length in some environments and architectures, which might allow remote attackers to conduct a buffer overflow attack.

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

Refarticle.gmane.org/gmane.comp.encryption.kerberos.announce/86Refdocs.info.apple.com/article.html?artnum=307041Reflists.apple.com/archives/security-announce/2007/Nov/msg00002.htmlRefsecunia.com/advisories/26699Refsecunia.com/advisories/26987Refsecunia.com/advisories/27643Refwww.debian.org/security/2007/dsa-1387Refwww.novell.com/linux/security/advisories/2007_19_sr.htmlRefwww.redhat.com/support/errata/RHSA-2007-0892.htmlRefwww.securityfocus.com/archive/1/478748/100/0/threaded

How CyberStrike helps

Frequently asked questions

What is CVE-2007-4743?

CVE-2007-4743 is a high-severity vulnerability affecting mit kerberos_5. It was published on September 6, 2007 and has a CVSS 2.0 base score of 10.0 (HIGH).

How severe is CVE-2007-4743?

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-2007-4743?

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-2007-4743?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2007-4743 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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