Stack-based buffer overflow in OpenVPN for Windows - CVE-2024-27459

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Main Vulnerability Database Vulnerabilities #VU87675

Stack-based buffer overflow in OpenVPN for Windows - CVE-2024-27459

Published: March 20, 2024 / Updated: March 25, 2024


Vulnerability identifier: #VU87675
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-27459
CWE-ID: CWE-121
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the interactive service component. A local user can trigger a stack-based buffer overflow and execute arbitrary code with elevated privileges.

The vulnerability affects Windows installations only.


Affected software

OpenVPN for Windows
SINEMA Remote Connect Client

How to mitigate CVE-2024-27459

Install updates from vendor's website.

OpenVPN for Windows - addressed in versions 2.5.10, 2.6.10
SINEMA Remote Connect Client - update to 3.2 SP3

External References

Related Security Bulletins