Safety vulnerability ID: 60840
The information on this page was manually curated by our Cybersecurity Intelligence Team.
RestrictedPython 6.2 and 5.4 include a fix for an Information Disclosure vulnerability. Python's "format" functionality allows someone controlling the format string to "read" all objects accessible through recursive attribute lookup and subscription from objects he can access. This can lead to critical information disclosure. With 'RestrictedPython', the format functionality is available via the 'format' and 'format_map' methods of 'str' (and 'Unicode') and via 'string.Formatter'.
https://github.com/advisories/GHSA-xjw2-6jm9-rf67
Latest version: 7.1
RestrictedPython is a defined subset of the Python language which allows to provide a program input into a trusted environment.
RestrictedPython is a restricted execution environment for Python to run untrusted code. Python's "format" functionality allows someone controlling the format string to "read" all objects accessible through recursive attribute lookup and subscription from objects he can access. This can lead to critical information disclosure. With `RestrictedPython`, the format functionality is available via the `format` and `format_map` methods of `str` (and `unicode`) (accessed either via the class or its instances) and via `string.Formatter`. All known versions of `RestrictedPython` are vulnerable. This issue has been addressed in commit `4134aedcff1` which has been included in the 5.4 and 6.2 releases. Users are advised to upgrade. There are no known workarounds for this vulnerability. See CVE-2023-41039.
MISC:https://github.com/zopefoundation/RestrictedPython/commit/4134aedcff17c977da7717693ed89ce56d54c120: https://github.com/zopefoundation/RestrictedPython/commit/4134aedcff17c977da7717693ed89ce56d54c120
MISC:https://github.com/zopefoundation/RestrictedPython/security/advisories/GHSA-xjw2-6jm9-rf67: https://github.com/zopefoundation/RestrictedPython/security/advisories/GHSA-xjw2-6jm9-rf67
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