Securepoint SSL VPN Client version 2.0.30 suffers from a local privilege escalation vulnerability.
208329c265e24386a862dffeddea96d3Local Privilege Escalation in Securepoint SSL VPN Client 2.0.30
Metadata
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Release Date: 29-Jun-2021
Author: Florian Bogner @ https://bee-itsecurity.at
Affected product: Securepoint SSL VPN Client
Fixed in: version 2.0.32
Tested on: Windows 10 x64 fully patched
CVE: CVE-2021-35523
URL: https://bogner.sh/2021/06/local-privilege-escalation-in-securepoint-ssl-vpn-client-2-0-30/
Vulnerability Status: Fixed with new release
Vulnerability Description (copied from the CVE Details)
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Securepoint SSL VPN Client v2 before 2.0.32 on Windows has unsafe configuration handling that enables local privilege escalation to NT AUTHORITY\SYSTEM. A non-privileged local user can modify the OpenVPN configuration stored under "%APPDATA%\Securepoint SSL VPN" and add a external script file that is executed as privileged user.
A full vulnerability description is available here: https://bogner.sh/2021/06/local-privilege-escalation-in-securepoint-ssl-vpn-client-2-0-30/
Suggested Solution
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End-users should update to the latest available version.
Disclosure Timeline
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14.04.2021: The vulnerability was discovered and reported to [email protected]
15.04.2021: The report was triaged
26.04.2021: Securepoint SSL VPN Client Version 2.0.32 was released, which contains an initial fix for the vulnerability
23.06.2021: Securepoint SSL VPN Client Version 2.0.34 was released, which contains additional security measures.
28.06.2021: CVE-2021-35523 was assigned: https://nvd.nist.gov/vuln/detail/CVE-2021-35523
29.06.2021: Responsible disclosure in cooperation with Securepoint: https://github.com/Securepoint/openvpn-client/security/advisories/GHSA-v8p8-4w8f-qh34
___________
Florian Bogner
Information Security Expert, Speaker
Bee IT Security Consulting GmbH
Nibelungenstraße 37
3123 A-Schweinern
Mail: [email protected]
Web: https://www.bee-itsecurity.at