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.
References
| Link | Resource |
|---|---|
| https://www.redtimmy.com/privilege-escalation/pulse-secure-client-for-windows-9-1-6-toctou-privilege-escalation-cve-2020-13162/ | Exploit Third Party Advisory |
| https://kb.pulsesecure.net/?atype=sa | Vendor Advisory |
| https://twitter.com/sepcali/status/1262551597990711296 | Third Party Advisory |
| http://packetstormsecurity.com/files/158117/Pulse-Secure-Client-For-Windows-Local-Privilege-Escalation.html | Third Party Advisory VDB Entry |
| https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44503 | Vendor Advisory |
| https://twitter.com/gsepcali/status/1272927080909623297 | Third Party Advisory |
| http://seclists.org/fulldisclosure/2020/Jun/25 | Mailing List Third Party Advisory |
| https://twitter.com/gsepcali/status/1262551597990711296 | Third Party Advisory |
| http://seclists.org/fulldisclosure/2020/Sep/15 | Mailing List Third Party Advisory |
| http://packetstormsecurity.com/files/159065/Pulse-Secure-Windows-Client-Privilege-Escalation.html | Third Party Advisory VDB Entry |
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Configurations
Configuration 1 (hide)
|
Information
Published : 2020-06-16 13:15
Updated : 2023-03-01 08:02
NVD link : CVE-2020-13162
Mitre link : CVE-2020-13162
JSON object : View
CWE
CWE-367
Time-of-check Time-of-use (TOCTOU) Race Condition
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Products Affected
pulsesecure
- pulse_secure_desktop_client
- pulse_secure_installer_service