CVE-2023-32309
HighSummary
PyMdown Extensions to zestaw rozszerzeń dla projektu `Python-Markdown`. W dotkniętych wersjach możliwe jest odczytanie dowolnego pliku przy użyciu składni dołączania plików, co może prowadzić do ujawnienia zawartości plików systemowych, takich jak `/etc/passwd` czy `/proc/self/environ`.
Risk Assessment
Organizacja może być narażona na ujawnienie wrażliwych informacji z systemu, co może prowadzić do dalszych ataków lub naruszenia prywatności danych. Użycie Snippets do przetwarzania dynamicznej treści użytkowników jest szczególnie niezalecane.
Recommendation
Zaleca się unikanie używania Snippets do przetwarzania treści, która jest dostępna dla użytkowników zewnętrznych. Należy również zaktualizować PyMdown Extensions do najnowszej wersji, aby usunąć tę podatność.
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Original NVD description (English source)
PyMdown Extensions is a set of extensions for the `Python-Markdown` markdown project. In affected versions an arbitrary file read is possible when using include file syntax. By using the syntax `--8<--"/etc/passwd"` or `--8<--"/proc/self/environ"` the content of these files will be rendered in the generated documentation. Additionally, a path relative to a specified, allowed base path can also be used to render the content of a file outside the specified base paths: `--8<-- "../../../../etc/passwd"`. Within the Snippets extension, there exists a `base_path` option but the implementation is vulnerable to Directory Traversal. The vulnerable section exists in `get_snippet_path(self, path)` lines 155 to 174 in snippets.py. Any readable file on the host where the plugin is executing may have its content exposed. This can impact any use of Snippets that exposes the use of Snippets to external users. It is never recommended to use Snippets to process user-facing, dynamic content. It is design
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

