CVE-2023-35936

Summary

CVE-2023-35936 is a vulnerability affecting Pandoc, a Haskell library and command-line tool for converting markup formats. This issue, present in versions 1.13 through 3.1.3, allows an attacker to perform arbitrary file writes by providing a maliciously crafted image element when generating files using the `--extract-media` option or producing PDF output. The flawed code failed to properly check the path of the resource, allowing the creation or overwriting of arbitrary files on the system, depending on the privileges of the running process. The vulnerability is patched in version 3.1.4, and as a workaround, administrators should audit the usage of Pandoc and disable the `--extract-media` option and PDF output to mitigate the risk.

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