ET EXPLOIT Possible DNS BIND TSIG Denial of Service Attempt (CVE-2020-8617)
Sourceet/open
CreatedMay 26, 2020
UpdatedMarch 24, 2022
Classificationdenial-of-service
alert dns $EXTERNAL_NET any -> any any (msg:"ET EXPLOIT Possible DNS BIND TSIG Denial of Service Attempt (CVE-2020-8617)"; content:"|00|"; distance:0; byte_extract:1,1,rec_name,relative; content:"|00 00 fa 00 ff|"; distance:rec_name; within:5; fast_pattern; content:"|00 10 00 00|"; endswith; reference:cve,2020-8617; classtype:denial-of-service; sid:2030221; rev:2; metadata:attack_target DNS_Server, created_at 2020_05_26, deployment Datacenter, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_24;)
References
| cve | 2020-8617 |
Metadata
attack targetDNS_Server
created at2020_05_26
deploymentDatacenter
performance impactLow
confidenceMedium
signature severityMajor
tagDescription_Generated_By_Proofpoint_Nexus
updated at2022_03_24
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