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Snort Denial of Service Vulnerability CVE-2022-20685

SG-1

Is Sophos aware of and working on this?

https://claroty.com/2022/04/14/blog-research-blinding-snort-breaking-the-modbus-ot-preprocessor/

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort-dos-9D3hJLuj



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  • Yes this is on our radar and we are working on a patch for the current snort engine. In the meantime, the risk of this being used by an external attacker is virtually eliminated by blocking inbound TCP connections on TCP port 502.

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  • Yes this is on our radar and we are working on a patch for the current snort engine. In the meantime, the risk of this being used by an external attacker is virtually eliminated by blocking inbound TCP connections on TCP port 502.

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