CVSS 3.1 Score 6.1 of 10 (medium)


Published Jul 5, 2023
Updated: Mar 31, 2024


CVE-2023-35936 is a vulnerability in Pandoc, a Haskell library and command-line tool used for converting between different markup formats. This vulnerability exists in versions 1.13 up to 3.1.4 and allows an attacker to write or overwrite arbitrary files on the system if the system passes untrusted user input to Pandoc and uses it to generate PDF files or with the `--extract-media` option. The affected products include various versions of Pandoc (r9ng60, r9ng61, r9ng62, etc.). To remediate this vulnerability, the fix involves unescaping the percent-encoding before checking if the resource is not above the working directory. The potential danger of this vulnerability lies in the attacker's ability to create or modify files on the system, depending on the privileges of the process running Pandoc.

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