Unrated severityNVD Advisory· Published Sep 15, 2023· Updated Sep 25, 2024
Late-Unicode normalization vulnerability in SHIRASAGI
CVE-2023-41889
Description
SHIRASAGI is a Content Management System. Prior to version 1.18.0, SHIRASAGI is vulnerable to a Post-Unicode normalization issue. This happens when a logical validation or a security check is performed before a Unicode normalization. The Unicode character equivalent of a character would resurface after the normalization. The fix is initially performing the Unicode normalization and then strip for all whitespaces and then checking for a blank string. This issue has been fixed in version 1.18.0.
Affected products
1Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
3- github.com/shirasagi/shirasagi/blob/f249ce3f06f6bfbc0017b38f5c13de424334c3ea/app/models/concerns/rdf/object.rbmitrex_refsource_MISC
- github.com/shirasagi/shirasagi/security/advisories/GHSA-xr45-c2jv-2v9rmitrex_refsource_CONFIRM
- sim4n6.beehiiv.com/p/unicode-characters-bypass-security-checksmitrex_refsource_MISC
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