EUVD-2025-21110
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
3Description
The communication protocol used between the server process and the service control had a flaw that could lead to a local privilege escalation.
Analysis
CVE-2025-30025 is a local privilege escalation vulnerability in the inter-process communication (IPC) protocol between a server process and its service control mechanism, caused by insecure deserialization (CWE-502). An authenticated local attacker with limited privileges can exploit this flaw to escalate to higher privileges, potentially gaining complete system compromise including confidentiality, integrity, and availability impact. While the CVSS score of 7.8 indicates high severity, the local attack vector and requirement for prior authentication mean this affects primarily multi-user systems or scenarios where an attacker has already gained initial local access.
Technical Context
The vulnerability exists in the service control communication protocol (likely using serialized object deserialization) that facilitates IPC between privileged server processes and service management components. CWE-502 (Deserialization of Untrusted Data) indicates the root cause: the protocol deserializes data without proper validation, allowing an attacker to craft malicious serialized payloads that execute arbitrary code with elevated privileges. This is a classic IPC privilege escalation pattern where trust boundaries between service components are broken. The protocol likely uses binary serialization frameworks (such as .NET remoting, Java serialization, or similar) that deserialize untrusted data from local sockets or named pipes without sufficient integrity checks or privilege validation.
Affected Products
Specific product names, versions, and vendor information cannot be determined from the provided CVE data alone. The vulnerability affects 'server process' and 'service control' components, suggesting enterprise software or system services. To identify affected products: (1) cross-reference CVE-2025-30025 with the NVD database for associated CPE strings, (2) check vendor advisories from Microsoft (if Windows services), Red Hat (if RHEL services), or other OS/application vendors, (3) examine service control implementations (e.g., systemd, Windows Service Control Manager, SMF). Request vendor advisories or search CVE databases for full CPE coverage.
Remediation
Immediate actions: (1) Check vendor security advisories for CVE-2025-30025 patches and apply immediately to all affected systems, (2) Restrict local user access on affected systems—disable unnecessary user accounts and apply principle of least privilege, (3) Monitor IPC traffic for suspicious serialized payloads or service control anomalies. Workarounds pending patch availability: (1) restrict access to service control sockets/pipes via filesystem ACLs, (2) isolate multi-user systems to trusted users only, (3) implement application whitelisting for service processes, (4) use mandatory access controls (SELinux/AppArmor) to restrict service process capabilities. Once patches are available from vendors, apply in order of system criticality and test in non-production environments first.
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External POC / Exploit Code
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