CVE-2023-27408 Misconfiguration in SCALANCE LPE9403

Low 3.3 Published Updated

An authenticated attacker can modify the i2c mutex file permissions to interfere with data integrity on Siemens SCALANCE LPE9403 devices.

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-2023-27408?

CVE-2023-27408 is a low-severity vulnerability in Siemens SCALANCE LPE9403, published on 9 May 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A vulnerability has been identified in SCALANCE LPE9403 (All versions < V2.1). The `i2c` mutex file is created with the permissions bits of `-rw-rw-rw-`. This file is used as a mutex for multiple applications interacting with i2c. This could allow an authenticated attacker with access to the SSH interface on the affected device to interfere with the integrity of the mutex and the data it protects.

Weakness: CWE-378

Which versions are affected by CVE-2023-27408?

It affects 1 product.

Products include Siemens Scalance Lpe9403 Firmware.

How do I fix CVE-2023-27408?

No fix has been published for CVE-2023-27408 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-27408 being exploited?

There is no known exploitation of CVE-2023-27408 in the wild and no public exploit code.

Sources

Also known as GHSA-49r4-q83q-h2wr.

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