""ET EXPLOIT Possible Atlassian Confluence Pre-Authorization Arbitrary File Read Attempt (pom.xml) (CVE-2021-26085)""

SID: 2034153

Revision: 1

Class Type: attempted-admin

Metadata: attack_target Server, created_at 2021_10_07, cve CVE_2021_26085, deployment Perimeter, deployment Internal, performance_impact Low, signature_severity Major, tag Exploit, updated_at 2021_10_07

Reference:

  • cve

  • 2021-26085

Protocol: tcp

Source Network: any

Source Port: any

Destination Network: [$HOME_NET,$HTTP_SERVERS]

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "/s/123cfx/_/|3b|/META-INF/maven/com.atlassian.confluence/confluence-webapp/pom.xml"

  • Value: !"Cookie|3a 20|"

  • Value: !"Authorization|3a 20|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • nocase

  • fast_pattern

  • http_header

  • http_header

source