2022-12-22 11:26:45 +00:00
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id: express-lfr
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info:
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2023-07-02 17:40:27 +00:00
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name: Express - Local File Read
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2022-12-22 11:26:45 +00:00
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author: me_dheeraj (https://twitter.com/Dheerajmadhukar)
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severity: info
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description: Untrusted user input in express render() function can result in arbitrary file read if hbs templating is used.
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tags: file,nodejs,express,lfr
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file:
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- extensions:
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- all
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matchers:
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- type: regex
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regex:
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2023-06-28 05:22:51 +00:00
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- "(\\$[\\w\\W]+?)\\.render\\(\\$[\\w\\W]+?, <[\\w\\W]+? \\\\$[\\w\\W]+? [\\w\\W]+? >\\)"
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- "(\\$[\\w\\W]+?)\\.render\\(\\$[\\w\\W]+?, <[\\w\\W]+? \\\\$[\\w\\W]+?\\.\\$[\\w\\W]+? [\\w\\W]+? >\\)"
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- "(\\$[\\w\\W]+?)\\.render\\(\\$[\\w\\W]+?, <[\\w\\W]+? \\\\$[\\w\\W]+? [\\w\\W]+? >\\)"
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2022-12-22 11:26:45 +00:00
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condition: or
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2023-10-19 13:13:52 +00:00
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# digest: 4b0a00483046022100e7798827d9cc0ed3a27739501621560cd2752e52aba95d220252540f0361afeb022100a8c14ce89e7beca1fb0c19891d37761ed32e3c096e6033a2c2d4a1b77f1a49f6:922c64590222798bb761d5b6d8e72950
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