""ET EXPLOIT PiHole Web Interface Regex Escape Leading to RCE Inbound M2 (CVE-2021-32706)""
SID: 2033935
Revision: 2
Class Type: attempted-admin
Metadata: attack_target Server, created_at 2021_09_13, cve CVE_2021_32706, deployment Perimeter, deployment Internal, signature_severity Major, tag Exploit, updated_at 2021_09_13, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application
Reference:
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cve
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2021-32706
Protocol: tcp
Source Network: any
Source Port: any
Destination Network: [$HOME_NET,$HTTP_SERVERS]
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
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Value: "POST"
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Value: "/admin/"
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Value: "clients=*"
Within:
PCRE: "/^(?:\x3b|\x0a|\x26|\x60|\x7C|\x24|\x3e)/R"
Special Options:
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http_method
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http_uri
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http_client_body
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fast_pattern