CVE-2024-4231 Incorrect Access Control Vulnerability in Digisol Router

Medium 6.8 Published Updated

An attacker with physical access can bypass authentication via serial interface to gain root shell access and read sensitive information.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2024-4231?

CVE-2024-4231 is a medium-severity authentication bypass vulnerability in Digisol Router DG-GR1321, published on 10 May 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

This vulnerability exists in Digisol Router (DG-GR1321: Hardware version 3.7L; Firmware version : v3.2.02) due to presence of root terminal access on a serial interface without proper access control. An attacker with physical access could exploit this by identifying UART pins and accessing the root shell on the vulnerable system.

Successful exploitation of this vulnerability could allow the attacker to access the sensitive information on the targeted system.

Weakness: CWE-1191

Which versions are affected by CVE-2024-4231?

How do I fix CVE-2024-4231?

No fix has been published for CVE-2024-4231 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2024-4231 being exploited?

There is no known exploitation of CVE-2024-4231 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-7c88-698j-qxf8.

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