CVE-2025-27743 in System Center Operations Manager
Summary
by MITRE • 04/08/2025
Untrusted search path in System Center allows an authorized attacker to elevate privileges locally.
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Analysis
by VulDB Data Team • 04/08/2025
This vulnerability involves a privilege escalation issue within Microsoft System Center components where an authorized attacker with local access can exploit an untrusted search path to execute arbitrary code with elevated privileges. The flaw stems from improper handling of system paths during component execution, allowing malicious code placement in directories that are searched before legitimate system locations. This creates a classic path hijacking scenario where attacker-controlled binaries can be executed instead of intended system components.
The technical implementation exploits the Windows search order mechanism where the operating system looks for executables in a specific sequence including the current working directory, followed by system directories, and then PATH environment variables. When System Center components fail to properly validate or sanitize these paths, attackers can place malicious binaries with identical names in earlier search locations, causing the system to execute unauthorized code during normal operations. This vulnerability falls under CWE-427 Uncontrolled Search Path Element, a well-documented weakness that enables attackers to manipulate program execution flow through compromised path resolution.
The operational impact of this vulnerability extends beyond simple privilege escalation as it provides attackers with persistent access to systems running System Center components. Once elevated, attackers can modify system configurations, install additional malware, access sensitive data, or establish backdoors for continued unauthorized access. The attack vector requires only local system access and does not necessitate network connectivity or complex exploitation techniques, making it particularly dangerous in environments where privileged accounts have broad system access.
Mitigation strategies should focus on implementing proper path validation and privilege separation within System Center deployments. Organizations must ensure that all system components execute with minimal required privileges and that search paths are properly sanitized to prevent execution of unauthorized code. The principle of least privilege should be enforced through strict directory permissions and regular security audits. Additionally, implementing application whitelisting solutions can prevent execution of unauthorized binaries regardless of path resolution issues. This vulnerability aligns with ATT&CK technique T1068 Privilege Escalation through Path Hijacking and should be addressed as part of comprehensive system hardening procedures. Regular patch management and monitoring for anomalous file creation in system directories are essential defensive measures to detect potential exploitation attempts.