CWE-190: INTEGER OVERFLOW OR WRAPAROUND: A vulnerability in the Modbus preprocessor of the Snort detection engine could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to an integer overflow while processing Modbus traffic. An attacker could exploit this vulnerability by sending crafted Modbus traffic through an affected device. A successful exploit could allow the attacker to cause the Snort process to hang, causing traffic inspection to stop.
Read more: "Blinding Snort: Breaking the MODBUS OT Preprocessor"
CVE-2022-20685
Cisco
Snort
7.5
Team82 is committed to privately reporting vulnerabilities to affected vendors in a coordinated, timely manner in order to ensure the safety of the cybersecurity ecosystem worldwide. To engage with the vendor and research community, Team82 invites you to download and share our Coordinated Disclosure Policy. Team82 will adhere to this reporting and disclosure process when we discover vulnerabilities in products and services.
Team82 has also made its public PGP Key available for the vendor and research community to securely and safely exchange vulnerability and research information with us.
