UBUNTU-CVE-2021-1236

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UBUNTU-CVE-2021-1236

Summary:

Details: 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://ubuntu.com/security/CVE-2021-1236, https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-app-bypass-cSBYCATq, https://www.cve.org/CVERecord?id=CVE-2021-1236