CTD-000113

AD forest with Java schema extension

Medium
Active Directory
Defense Evasion Execution
v16

Signature Identity

CTD-000113
Threat ID
16
Version
IOE
Indicator Type

Threat Description

A threat actor might add malicious code in the java attribute of an Active Directory object. Using Java Naming and Directory Interface threat actor might force an external application to execute pre-uploaded malicious code.

MITRE ATT&CK: Attack Tactics

Defense Evasion Execution

D3FEND: Defend Tactics

Application Configuration Hardening

Remediation

To disable existing schema attributes, follow the Microsoft’s guide on disabling existing classes and attributes.

Frequently Asked Questions

What does AD forest with Java schema extension mean?

A Java schema extension in Active Directory allows external applications to inject custom attributes into directory objects, which can be used for malicious purposes if not properly secured.

This vulnerability enables an attacker to inject malicious code into Active Directory objects using extended attributes. The ability to execute arbitrary commands or scripts within the directory poses a significant threat due to potential privilege escalation and other security issues.

Attackers can inject malicious code into Active Directory objects by utilizing extended attributes, allowing them to execute arbitrary commands or scripts. This capability enables privilege escalation and other security issues, making it a critical concern for administrators.

Cayosoft Guardian continuously monitors the Active Directory schema for extended attributes, providing visibility into potential security risks so administrators can take action to mitigate the threat. This allows for early detection and response to prevent malicious activity.

Cayosoft Guardian alerts administrators to disable or remove unnecessary extended attributes, limiting the potential for malicious code injection. By restricting the execution of arbitrary commands or scripts within the directory, Cayosoft Guardian helps prevent privilege escalation and supports investigation into potential security incidents.

Stop AD Threats As They Happen

Cayosoft Protector provides continuous monitoring and real-time alerts across your entire Microsoft Identity stack

Classification
Systems
Active Directory
Themes
Forest-wide
Attack Tactics
Defense Evasion Execution
Defend Tactics
Application Configuration Hardening
Indicator Types
IOE
Related Threats
CTD-000139
Kerberos Constrained Delegation: krbtgt Risks
Critical
CTD-000122
Active Directory Schema Update Permission Risks
Critical