7

CVE-2020-13162

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Pulsesecure ≫ Pulse Secure Desktop Client Version 5.3 Update r1.0 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 5.3 Update r1.1 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 5.3 Update r2.0 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 5.3 Update r3.0 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 5.3 Update r4.1 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 5.3 Update r4.2 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 5.3 Update r5.0 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 5.3 Update r5.2 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 5.3 Update r6.0 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 5.3 Update r7.0 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 9.0 Update r1.0 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 9.0 Update r2 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 9.0 Update r2.1 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 9.0 Update r3 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 9.0 Update r3.2 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 9.0 Update r4 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 9.0 Update r4.0 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 9.0 Update r5.0 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 9.0 Update r6.0 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 9.1 Update r1.0 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 9.1 Update r2.0 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 9.1 Update r3.0 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 9.1 Update r3.1 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 9.1 Update r4.0 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 9.1 Update r4.1 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 9.1 Update r4.2 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 9.1 Update r5.0 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 9.1 Update r6.0 SwPlatform windows
Pulsesecure ≫ Pulse Secure Desktop Client Version 9.1 Update r7.0 SwPlatform windows
Pulsesecure ≫ Pulse Secure Installer Service Version 8.3 SwPlatform windows
Pulsesecure ≫ Pulse Secure Installer Service Version 9.1 SwPlatform windows
Pulsesecure ≫ Pulse Secure Installer Service Version 9.1 Update r5.0 SwPlatform windows
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.79% 0.515
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7 1 5.9
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NIST 6.9 3.4 10
AV:L/AC:M/Au:N/C:C/I:C/A:C
CISA-ADP 7 1 5.9
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.

https://kb.pulsesecure.net/?atype=sa
Vendor Advisory
http://packetstormsecurity.com/files/158117/Pulse-Secure-Client-For-Windows-Local-Privilege-Escalation.html
Third Party Advisory
VDB Entry
http://packetstormsecurity.com/files/159065/Pulse-Secure-Windows-Client-Privilege-Escalation.html
Third Party Advisory
VDB Entry
http://seclists.org/fulldisclosure/2020/Jun/25
Third Party Advisory
Mailing List
http://seclists.org/fulldisclosure/2020/Sep/15
Third Party Advisory
Mailing List
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44503
Vendor Advisory
https://twitter.com/gsepcali/status/1262551597990711296
Third Party Advisory
https://twitter.com/gsepcali/status/1272927080909623297
Third Party Advisory
https://twitter.com/sepcali/status/1262551597990711296
Third Party Advisory
https://www.redtimmy.com/privilege-escalation/pulse-secure-client-for-windows-9-1-6-toctou-privilege-escalation-cve-2020-13162/
Third Party Advisory
Exploit