Kurz gesagt
- CVE-2021-21377 ist eine Schwachstelle (MITTEL (CVSS 5.4)) in omero-web, omero.web (openmicroscopy).
- Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 0.83%, höher als bei 57.5% aller Schwachstellen.
- Abhilfe: auf 5.9.0 oder neuer aktualisieren.
Description
Background
OMERO.web supports redirection to a given URL after performing login or switching the group context. These URLs are not validated, allowing redirection to untrusted sites. OMERO.web 5.9.0 adds URL validation before redirecting. External URLs are not considered valid, unless specified in the omero.web.redirect_allowed_hosts setting.
Impact
OMERO.web before 5.9.0
Patches
5.9.0
Workarounds
No workaround
References
For more information
If you have any questions or comments about this advisory:
NVD description
OMERO.web is open source Django-based software for managing microscopy imaging. OMERO.web before version 5.9.0 supports redirection to a given URL after performing login or switching the group context. These URLs are not validated, allowing redirection to untrusted sites. OMERO.web 5.9.0 adds URL validation before redirecting. External URLs are not considered valid, unless specified in the omero.web.redirect_allowed_hosts setting.
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