CVE-2014-6324

Home/CVE/Microsoft Kerberos Key Distribution Center (KDC) Privilege Escalation Vulnerability

CVE

Microsoft Kerberos Key Distribution Center (KDC) Privilege Escalation Vulnerability

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.".

HIGH · CVSS 8.8 ⚠ CISA KEV EPSS 0.9035

Act now

Listed on CISA KEV (known exploited in the wild)
SSVC exploitation status: active
EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
EPSS percentile: top 0% of all CVEs by exploitation likelihood
Public exploit or PoC is available
CVSS base score ≥ 7.0

Sigma rules10 YARA rules0

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Required Remediation

Apply updates per vendor instructions.

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Threat Actors Linked

actorDuqu / Duqu 2.0

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Affected Products & Versions

microsoft windows 7all versions
microsoft windows 8all versions
microsoft windows 8.1all versions
microsoft windows server 2003all versions
microsoft windows server 2008all versions
microsoft windows server 2012all versions

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Public Exploits & PoCs

remoteMicrosoft Windows Kerberos - Privilege Escalation (MS14-068)verified

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Sigma Hunt Rules

Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.

relatedcriticalAntivirus Password Dumper Detection

relatedcriticalHacktool Execution - Imphash

relatedcriticalHackTool - Rubeus Execution

relatedcriticalPotential Credential Dumping Via LSASS Process Clone

relatedcriticalWCE wceaux.dll Access

relatedcriticalHackTool - Dumpert Process Dumper Default File

Show all 10 top matches

relatedcriticalHackTool - Credential Dumping Tools Named Pipe Created

relatedcriticalHackTool - Inveigh Execution

relatedcriticalHackTool - SafetyKatz Execution

relatedcriticalHackTool - Dumpert Process Dumper Execution

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Scoring & Timeline

8.8

HIGH · CVSS v3.1 · secure@microsoft.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD18 Nov 2014 · 11:59 PM

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

SSVC triage · cisa-vulnrichment

Exploitation

active

Automatable

Technical impact

total

SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.

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Vendor Advisories

cisaKEV-CVE-2014-6324

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

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

http://secunia.com/advisories/62556Broken Link

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

Show all 8 references

https://docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-068PatchVendor Advisory

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2014-6324US Government Resource

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NVD CVE.org CISA Vulners Exploit-DB GitHub PoC VulnCheck KEV GreyNoise

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