Permissions, Privileges, and Access Controls in Windows and Windows Server - #VU17652

 

Permissions, Privileges, and Access Controls in Windows and Windows Server - #VU17652

Published: February 13, 2019


Vulnerability identifier: #VU17652
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a remote attacker to escalate privileges within the domain.

A security issue exists in the way Ticket-Granting Tickets (TGT) are processed within the Active Directory forests.A remote attacker can acquire a TGT from a domain with an inbound trust and use it to escalate privileges within a neighbor forest.

Successful exploitation of the vulnerability requires that TGT delegation is enabled.


Remediation

To resolve this issue Microsoft recommends installing a security patch and disable TGT delegation:
etdom.exe trust fabrikam.com /domain:contoso.com /EnableTGTDelegation:No

Sources