Microsoft Kerberos Key Distribution Center (KDC) Privilege Escalation Vulnerability

Exploited · KEV 2022-03-25Metasploit moduleCVE-2014-6324CWE-264

Exploited since 2022-03-25. No WAF vendor names it yet.

Edge rules

0/8

Our test

No exploit yet

CVSS

8.8

EPSS

87.3% Top 0.2%

Posts, 14d

Published

2014-11-18

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."

Edge coverage

Claimed by vendors

CloudflareBefore feed historyOlder than its feed AWSBefore feed historyOlder than its feed Microsoft AzureNo public claimNot named Google CloudBefore feed historyOlder than its feed FastlyBefore feed historyOlder than its feed F5Before feed historyOlder than its feed AkamaiNo public sourceNo public changelog OWASP CRSBefore feed historyOlder than its feed

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Ask about CVE-2014-6324: who's covered, what to patch first, how vendors compare. I cite sources and won't help with attacks.

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Severity, decoded

CVSS 3.1

8.8High

High · 8.8 / 10

Exploitable over the network, with low privileges and no user interaction, leading to full loss of confidentiality, integrity and availability.

Over the internetAny user loginNo user actionWorks reliablyFull compromise

How the score is built8 metrics

Attack vectorAn attacker can reach it over the internet; no access to your network needed.
Network
Attack complexityNo special conditions are needed; the attack works reliably.
Low
Privileges requiredThe attacker needs an ordinary user account.
Low
User interactionNo one has to click or open anything; the attack works on its own.
None
ScopeThe damage stays within the vulnerable component.
Unchanged
Confidentiality impactAn attacker can read all data the affected component holds, or the most sensitive parts of it.
High
Integrity impactAn attacker can change any data or files the affected component protects.
High
Availability impactAn attacker can take the component down completely or keep it from serving anyone.
High

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

CISA's assessmentSSVC, from the CVE record

ExploitationActive

Attackers are exploiting this in the wild.

AutomatableNo

At least one step needs hands-on work, which slows mass attacks.

Technical impactTotal

A successful attack gives full control over the affected software or all of its data.

Public exploits

2 found

1 Metasploit1 Exploit-DB0 Scanner template0 GitHub PoCs

MetasploitMS14-068 Microsoft Kerberos Checksum Validation Vulnerability2014-11-18 · auxiliary · rank Normal
Exploit-DBMicrosoft Windows Kerberos - Privilege Escalation (MS14-068)2014-12-05 · remote · windows · verified

Links are to third-party code: never run it outside an isolated lab.

Timeline

2014-11-18
CVE published
CVE List
2014-11-18
Metasploit module published
MS14-068 Microsoft Kerberos Checksum Validation Vulnerability
2014-12-05
Exploit published on Exploit-DB
Microsoft Windows Kerberos - Privilege Escalation (MS14-068)
2022-03-25
Added to CISA KEV
Confirmed exploitation in the wild