ET WEB_CLIENT Possible Confluence SSTI Exploitation Attempt - Leads to RCE/LFI (CVE-2019-3396)
Sourceet/open
CreatedMay 8, 2019
UpdatedSeptember 17, 2020
Classificationattempted-admin
alert http any any -> $HTTP_SERVERS any (msg:"ET WEB_CLIENT Possible Confluence SSTI Exploitation Attempt - Leads to RCE/LFI (CVE-2019-3396)"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/rest/tinymce/1/macro/preview"; fast_pattern; endswith; http.request_body; content:"|22|contentId|22|"; depth:20; content:"|22|_template|22 3a|"; distance:0; reference:url,packetstormsecurity.com/files/152568/Atlassian-Confluence-Widget-Connector-Macro-Velocity-Template-Injection.html; classtype:attempted-admin; sid:2027333; rev:4; metadata:created_at 2019_05_08, cve CVE_2019_3396, deployment Perimeter, deployment Internal, performance_impact Low, confidence Medium, signature_severity Major, tag CISA_KEV, updated_at 2020_09_17;)
References
Metadata
created at2019_05_08
deploymentInternal
performance impactLow
confidenceMedium
signature severityMajor
tagCISA_KEV
updated at2020_09_17
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