PT-2020-20662 · Openvpn · Openvpn Connect

Andrew Hess · Published 2020-02-28 · Updated 2020-03-03 · CVE-2020-9442

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions OpenVPN Connect version 3.1.0.361

Description The issue concerns insecure permissions for the directory %PROGRAMDATA%OpenVPN Connectdriverstapamd64win10. This allows local users to gain privileges by copying a malicious drvstore.dll to this location.

Recommendations For OpenVPN Connect version 3.1.0.361, consider restricting access to the %PROGRAMDATA%OpenVPN Connectdriverstapamd64win10 directory to prevent local users from copying malicious files, such as drvstore.dll, until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Preservation of Permissions

Weakness Enumeration

CWE-281

Related Identifiers

CVE-2020-9442

Affected Products

Openvpn Connect

References · 4

• 🔥 https://github.com/hessandrew/CVE-2020-9442 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-9442 · Security Note
• https://osv.dev/vulnerability/CVE-2020-9442 · Vendor Advisory
• https://t.me/cvenotify/1276 · Telegram Post