CVE-2020-13162

Summary

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 Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional 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

CISA ADP Vulnrichment

• SSVC:
• Exploitation: poc
  • Automatable: no
  • Technical Impact: total

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

• ←Previous
• Next→