Patchfirst
CVE-2014-6324 KEVPublic exploit High · 8.8 EPSS 87.3%

Microsoft Kerberos Key Distribution Center (KDC) Privilege Escalation Vulnerability

Microsoft · Kerberos Key Distribution Center (KDC)

Summary

The Kerberos Key Distribution Center (KDC) in Microsoft Kerberos Key Distribution Center contains a privilege escalation flaw, in which a forged signature in a ticket is accepted, affecting 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. An attacker with network access and valid low-privilege domain user credentials can forge a ticket signature to obtain domain administrator privileges, with no user interaction required.

Official description · NVD

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."

Breakdown
73.0 / 100
Exploited
Yes, in CISA KEV
Reports
1
Tactics
5/15

How an attack unfolds

Based on mappings. Select a step to see the evidence.
  1. How attackers get in

  2. What they do

First seen exploited the day it was disclosed. Public exploit code (Metasploit) was available the same day.

  1. DisclosedFirst seen exploitedVulnCheck KEV evidencePublic exploit codeMetasploitday 0
  2. Added to CISA KEVEU database agrees+7 yrs

CISA KEV listing is when exploitation was confirmed, not necessarily the first attack.

techniques

2 , grouped by in kill-chain order, 3 cited passages 2

Initial AccessTA0001

Valid Accounts T1078 Medium also Persistence, Privilege Escalation, Stealth
AI mapping from the description · how it is exploited

authenticated domain user abuses valid domain account

allows remote authenticated domain users to obtain domain administrator privileges
From the official description (NVD) Original (opens in a new tab) ↗

Credential AccessTA0006

Steal or Forge Kerberos Tickets T1558 Medium
AI mapping from the description · primary impact

forged Kerberos ticket signature enables credential forgery

via a forged signature in a ticket
From the official description (NVD) Original (opens in a new tab) ↗
Lower-confidence links (3)

These come from early or generic mappings, text matching, or contradict this CVE’s details (for example a public-facing technique on a bug that needs a user to open a file). Shown for completeness.

  • Exploitation for Privilege EscalationT1068 CTID attack_to_cve Phase 1 "Uncategorized" mapping (not staged by impact)
  • Golden TicketT1558.001 CTID attack_to_cve Phase 1 "Uncategorized" mapping (not staged by impact)
  • Exploitation for Credential AccessT1212 machine-matched from report text

Detection

0 rules for this CVE · 62 general rules for its techniques

Rules for this CVE

0 that reference CVE-2014-6324 directly.

CVE-specific rules are not available in this build. Search SigmaHQ ↗

Sigma rules © SigmaHQ, Detection Rule License 1.1; linked, not reproduced.

What security researchers reported

Named in 1 threat report
1 reportSophos

Reports are matched by finding the exact id CVE-2014-6324 in their text; nobody has reviewed the match. One passage is shown per report, at most 320 characters, linked to the original.

Also mentioned in 50 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

8 links, grouped by NVD tag (7 duplicates merged)
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