Multiple Cisco products are affected by a vulnerability in the generic routing encapsulation (GRE) tunnel decapsulation feature of the Snort 3 Detection Engine that could allow an unauthenticated, remote attacker to cause an unexpected restart of the Snort 3 Detection Engine. This vulnerability is due to improper handling of nested GRE traffic. An attacker could exploit this vulnerability by sending a crafted GRE payload through an affected device.
Multiple Cisco Products Snort 3 Generic Routing Encapsulation Denial of Service Vulnerability
About this summary. This is a short excerpt from the description that Cisco PSIRT published with its article. Cyber Security News did not report or verify the underlying story. Read the original: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-snort3-gre-JNpMHrTv?vs_f=Cisco%20Security%20Advisory%26vs_cat%3DSecurity%20Intelligence%26vs_type%3DRSS%26vs_p%3DMultiple%20Cisco%20Products%20Snort%203%20Generic%20Routing%20Encapsulation%20Denial%20of%20Service%20Vulnerability%26vs_k%3D1
Source attribution: headline and facts are from Cisco PSIRT (sec.cloudapps.cisco.com). Summary method: excerpt of the source description. See our source attribution policy.
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