CVE-2024-1244 PUBLISHED

Remote code execution and local privilege escalation due to UNC access and NetNTLMv2 hash theft

Assigner: Pentraze
Reserved: 06.02.2024 Published: 11.06.2025 Updated: 11.06.2025

Improper input validation in the OSSEC HIDS agent for Windows prior to version 3.8.0 allows an attacker in with control over the OSSEC server or in possession of the agent's key to configure the agent to connect to a malicious UNC path. This results in the leakage of the machine account NetNTLMv2 hash, which can be relayed for remote code execution or used to escalate privileges to SYSTEM via AD CS certificate forging and other similar attacks.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 9.5

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	High	Integrity	High	Integrity	High
Attack Requirements	Present	Availability	High	Availability	High
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	OSSEC
Product	OSSEC-HIDS Agent
Versions	Default: affected Version 3.8.0 is affected

Credits

Rilke Petrosky of Pentraze Cybersecurity finder

References

Problem Types

CWE-73: External Control of File Name or Path CWE
CWE-20 Improper Input Validation CWE

Impacts

CAPEC-644 Use of Captured Hashes (Pass The Hash)
CAPEC-73 User-Controlled Filename