Multiple Cisco Products Snort Application Detection Engine Policy Bypass Vulnerability

Vulnerability Description

Multiple Cisco products are affected by a vulnerability in the Snort application detection engine that could allow an unauthenticated, remote attacker to bypass the configured policies on an affected system. The vulnerability is due to a flaw in the detection algorithm. An attacker could exploit this vulnerability by sending crafted packets that would flow through an affected system. A successful exploit could allow the attacker to bypass the configured policies and deliver a malicious payload to the protected network.

References

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-app-bypass-cSBYCATq
• https://lists.debian.org/debian-lts-announce/2023/02/msg00011.html
• https://www.debian.org/security/2023/dsa-5354