CVE-2022-36363 Information disclosure in LOGO! 12/24RCE

Medium 5.3 Published 11 Oct 2022 Updated 8 Oct 2024

An attacker can retrieve parts of memory content by sending crafted TCP packets to affected Siemens LOGO! devices due to improper offset validation.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-36363?

CVE-2022-36363 is a medium-severity vulnerability in Siemens LOGO! 12/24RCE, published on 11 Oct 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability has been identified in LOGO! 12/24RCE (6ED1052-1MD08-0BA1) (All versions), LOGO! 12/24RCEo (6ED1052-2MD08-0BA1) (All versions), LOGO! 230RCE (6ED1052-1FB08-0BA1) (All versions), LOGO! 230RCEo (6ED1052-2FB08-0BA1) (All versions), LOGO! 24CE (6ED1052-1CC08-0BA1) (All versions), LOGO! 24CEo (6ED1052-2CC08-0BA1) (All versions), LOGO! 24RCE (6ED1052-1HB08-0BA1) (All versions), LOGO! 24RCEo (6ED1052-2HB08-0BA1) (All versions), SIPLUS LOGO! 12/24RCE (6AG1052-1MD08-7BA1) (All versions), SIPLUS LOGO! 12/24RCEo (6AG1052-2MD08-7BA1) (All versions), SIPLUS LOGO! 230RCE (6AG1052-1FB08-7BA1) (All versions), SIPLUS LOGO! 230RCEo (6AG1052-2FB08-7BA1) (All versions), SIPLUS LOGO! 24CE (6AG1052-1CC08-7BA1) (All versions), SIPLUS LOGO! 24CEo (6AG1052-2CC08-7BA1) (All versions), SIPLUS LOGO! 24RCE (6AG1052-1HB08-7BA1) (All versions), SIPLUS LOGO! 24RCEo (6AG1052-2HB08-7BA1) (All versions). Affected devices do not properly validate an offset value which can be defined in TCP packets when calling a method. This could allow an attacker to retrieve parts of the content of the memory.

Weakness: CWE-20, CWE-1285

Which versions are affected by CVE-2022-36363?

It affects 2 products.

Products include Siemens Logo\!8 Bm Fs-05 Firmware, Siemens Logo\! 8 Bm Firmware.

How do I fix CVE-2022-36363?

No fix has been published for CVE-2022-36363 yet. Limit exposure of the affected software until one is available.

Is CVE-2022-36363 being exploited?

There is no known exploitation of CVE-2022-36363 in the wild and no public exploit code.

Sources

Also known as GHSA-j45q-g2vj-3f3r.