AccessControl provides a general security framework for use in Zope. Python's "format" functionality allows someone controlling the format string to "read" objects accessible (recursively) via attribute access and subscription from accessible objects. Those attribute accesses and subscriptions use Python's full blown `getattr` and `getitem`, not the policy restricted `AccessControl` variants `_getattr_` and `_getitem_`. This can lead to critical information disclosure. `AccessControl` already provides a safe variant for `str.format` and denies access to `string.Formatter`. However, `str.format_map` is still unsafe. Affected are all users who allow untrusted users to create `AccessControl` controlled Python code and execute it. A fix has been introduced in versions 4.4, 5.8 and 6.2. Users are advised to upgrade. There are no known workarounds for this vulnerability.
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Thu, 26 Sep 2024 16:30:00 +0000
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MITRE
Status: PUBLISHED
Assigner: GitHub_M
Published: 2023-09-06T17:58:10.510Z
Updated: 2024-09-26T15:19:50.945Z
Reserved: 2023-08-22T16:57:23.933Z
Link: CVE-2023-41050
Vulnrichment
Updated: 2024-08-02T18:46:11.727Z
NVD
Status : Modified
Published: 2023-09-06T18:15:08.847
Modified: 2024-11-21T08:20:27.607
Link: CVE-2023-41050
Redhat
No data.