Description
A time-of-check time-of-use vulnerability in PulseSecureService.exe in Pulse Secure Client versions prior to 9.1.6 down to 5.3 R70 for Windows (which runs as NT AUTHORITY/SYSTEM) allows unprivileged users to run a Microsoft Installer executable with elevated privileges.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://kb.pulsesecure.net/?atype=sa ↗
- https://twitter.com/sepcali/status/1262551597990711296 ↗
- http://seclists.org/fulldisclosure/2020/Jun/25 ↗
- https://www.redtimmy.com/privilege-escalation/pulse-secure-client-for-windows-9-1-6-toctou-privilege-escalation-cve-2020-13162/ ↗
- http://packetstormsecurity.com/files/158117/Pulse-Secure-Client-For-Windows-Local-Privilege-Escalation.html ↗
- https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44503 ↗
- https://twitter.com/gsepcali/status/1262551597990711296 ↗
- https://twitter.com/gsepcali/status/1272927080909623297 ↗
- http://seclists.org/fulldisclosure/2020/Sep/15 ↗
- http://packetstormsecurity.com/files/159065/Pulse-Secure-Windows-Client-Privilege-Escalation.html ↗