""ET EXPLOIT Citrix ADC and NetScaler Gateway Information Disclosure Attempt (CVE-2023-4966)""
SID: 2048931
Revision: 1
Class Type: attempted-admin
Metadata: affected_product Citrix, attack_target Web_Server, created_at 2023_10_29, cve CVE_2023_4966, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_10_29, reviewed_at 2023_10_29
Reference:
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cve
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2023-4966
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: any
Destination Network: [$HOME_NET,$HTTP_SERVERS]
Destination Port: $HTTP_PORTS
Flow: established,to_server
Contents:
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Value: "/oauth/rp/.well-known/openid-configuration"
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Value: "Host|3a 20|"
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Value: !"|0d 0a|"
Within: 20000
PCRE:
Special Options:
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http_uri
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fast_pattern
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http_header
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http_header