""ET EXPLOIT Nagios XI Post-Auth Path Traversal (CVE-2021-37343)""

SID: 2034017

Revision: 2

Class Type: attempted-admin

Metadata: affected_product Nagios, attack_target Server, created_at 2021_09_23, cve CVE_2021_37343, deployment Perimeter, deployment Internal, performance_impact Low, signature_severity Major, tag Exploit, updated_at 2021_09_23

Reference:

  • cve

  • 2021-37343

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/nagiosxi/includes/components/autodiscovery/?mode=newjob"

  • Value: "job=|2e 2e 2f|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_client_body

source