CVE-2023-7242 Ethercat Zeek Plugin Out-of-bounds Read
An attacker can crash the Zeek process and leak memory information by sending a malicious Ethercat packet to the ICSNPP plugin.
- 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-2023-7242?
CVE-2023-7242 is a high-severity vulnerability in CISA Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Plugin for Zeek, published on 1 Mar 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Zeek Plugin versions d78dda6 and prior are vulnerable to out-of-bounds read during the process of analyzing a specific Ethercat packet. This could allow an attacker to crash the Zeek process and leak some information in memory.
Weakness: CWE-125
Which versions are affected by CVE-2023-7242?
It affects 1 product.
Products include Cisa Icsnpp-Ethercat.
How do I fix CVE-2023-7242?
No fix has been published for CVE-2023-7242 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-7242 being exploited?
There is no known exploitation of CVE-2023-7242 in the wild and no public exploit code.
Other vulnerabilities in CISA Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Plugin for Zeek
Sources
Also known as GHSA-5mxr-cprf-ghf7.