Local privilege escalation via untrusted service search path
Published Feb 14, 2023 · Updated Aug 13, 2024
Untrusted search path handling in Siemens TIA Project-Server before 1.1 allows local users to escalate privileges through service startup. The service resolves required resources through its working directory without excluding untrusted files, allowing attacker-supplied content to take precedence. Exploitation requires low-privileged local access and a legitimate user to start the service from the attacker-controlled path, resulting in elevated code execution.
Summary
What happened
Untrusted search path handling in Siemens TIA Project-Server before 1.1 allows local users to escalate privileges through service startup. The service resolves required resources through its working directory without excluding untrusted files, allowing attacker-supplied content to take precedence. Exploitation requires low-privileged local access and a legitimate user to start the service from the attacker-controlled path, resulting in elevated code execution.
The record
- CVE
- CVE-2022-35868
- Published
- Feb 14, 2023
- Updated
- Aug 13, 2024
- Vendor
- Siemens
- Product
- TIA Project-Server
- Classifications
- CWE-426, T1574.008
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Feb 14, 2023CVE publishedPublication date reported by the CVE source.
- Aug 13, 2024Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
Compare your product and version with the public record. A matching version still requires validation against your environment.
Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=0 <*
- Affected versionversion=All versions < V1.1
- Affected versionversion=All versions < V15.1 Update 8
- Affected versionversion=All versions < V17 Update 6
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
See the directory against your own environment.
Your stack
Check the software in your environment
Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.
Book a demo