CVE-2023-27362 3CX Uncontrolled Search Path Local Privilege Escalation Vulnerability

High 7.0 Published 3 May 2024 Updated 2 Aug 2024

Local attackers can escalate privileges to SYSTEM by exploiting an uncontrolled search path in the OpenSSL configuration loading mechanism.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-27362?

CVE-2023-27362 is a high-severity path traversal vulnerability in 3CX, published on 3 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

3CX Uncontrolled Search Path Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of 3CX. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the configuration of OpenSSL. The product loads an OpenSSL configuration file from an unsecured location. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-20026.

Weakness: CWE-427

Which versions are affected by CVE-2023-27362?

It affects 1 product.

Products include 3cx 3cx.

How do I fix CVE-2023-27362?

No fix has been published for CVE-2023-27362 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2023-27362 being exploited?

There is no known exploitation of CVE-2023-27362 in the wild and no public exploit code.

Sources

Also known as GHSA-45r3-h8rh-577v.