CVE-2014-6324

Microsoft Kerberos Key Distribution Center (KDC) Privilege Escalation

8.8 HIGHActively exploited (CISA KEV)EPSS 87.3%

Published18 Nov 2014
Added to CISA KEV25 Mar 2022
Remediation due15 Apr 2022

Description

The Kerberos Key Distribution Center (KDC) in Microsoft Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, and Windows Server 2012 Gold and R2 allows remote authenticated domain users to obtain domain administrator privileges via a forged signature in a ticket, as exploited in the wild in November 2014, aka "Kerberos Checksum Vulnerability."

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredLow

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Microsoft Windows 7all versions

Microsoft Windows 8all versions

Microsoft Windows 8.1all versions

Microsoft Windows Server 2003all versions

Microsoft Windows Server 2008r2

Microsoft Windows Server 2012r2

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

Patch & vendor advisories

References

http://blogs.technet.com/b/srd/archive/2014/11/18/additional-information-about-cve-2014-6324.aspxNot ApplicableVendor Advisory
http://marc.info/?l=bugtraq&m=142350249315918&w=2Mailing ListThird Party Advisory
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-068PatchVendor Advisory
http://secunia.com/advisories/62556Broken Link
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-6324US Government Resource
http://www.securityfocus.com/bid/70958Broken LinkThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1031237Broken LinkThird Party AdvisoryVDB Entry
http://www.us-cert.gov/ncas/alerts/TA14-323AThird Party AdvisoryUS Government Resource

Frequently asked

Is CVE-2014-6324 being actively exploited?

Yes. CVE-2014-6324 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 25 Mar 2022.

How severe is CVE-2014-6324?

CVE-2014-6324 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 87.3% probability of exploitation.

Which products are affected by CVE-2014-6324?

Affected products include Microsoft Windows 7, Microsoft Windows 8, Microsoft Windows 8.1, Microsoft Windows Server 2003, Microsoft Windows Server 2008, and 1 more.

How do I fix CVE-2014-6324?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2014-6324 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.