Local Privilege Escalation in NesterSoft WorkTime
Vulnerability Description
An attacker can exploit the update behavior of the WorkTime monitoring daemon to elevate privileges on the local system to NT Authority\SYSTEM. A malicious executable must be named WTWatch.exe and dropped in the C:\ProgramData\wta\ClientExe directory, which is writable by "Everyone". The executable will then be run by the WorkTime monitoring daemon.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Tobias Niemann, SEC Consult Vulnerability Lab
- Daniel Hirschberger, SEC Consult Vulnerability Lab
- Thorger Jansen, SEC Consult Vulnerability Lab
- Marius Renner, SEC Consult Vulnerability Lab
References
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