Microsoft Kerberos Key Distribution Center (KDC) Privilege Escalation Vulnerability

[ Why it matters ]Priority signals

• Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-03-25
• EPSS: 87% chance of exploitation in the next 30 days (higher than 100% of CVEs)

[ Description ]Official 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."

CISA: The Kerberos Key Distribution Center (KDC) in Microsoft allows remote authenticated domain users to obtain domain administrator privileges.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 15 Apr 2022): Apply updates per vendor instructions.

• Patch on docs.microsoft.comVendor patch or bulletin · NVD · Reference tagged 'Patch' by NVD

[ References ]References

• blogs.technet.com/b/srd/archive/2014/11/18/additional-information-about-cve-2014-6324.aspxNot ApplicableVendor Advisory
• marc.infoMailing ListThird Party Advisory
• secunia.com/advisories/62556Broken Link
• www.securityfocus.com/bid/70958Broken LinkThird Party AdvisoryVDB Entry
• www.securitytracker.com/id/1031237Broken LinkThird Party AdvisoryVDB Entry
• www.us-cert.gov/ncas/alerts/TA14-323AThird Party AdvisoryUS Government Resource
• docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-068PatchVendor Advisory
• www.cisa.gov/known-exploited-vulnerabilities-catalogUS Government Resource