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PYSEC-2020-90

Quick fix

PYSEC-2020-90 — plone: upgrade to the fixed version with the command below.

pip install --upgrade 'plone>=5.2.2'

Details

A privilege escalation issue in plone.app.contenttypes in Plone 4.3 through 5.2.1 allows users to PUT (overwrite) some content without needing write permission.

Are you affected?

Enter the version of the package you're using.

Affected packages

PyPI/plone

Introduced in: 4.3Fixed in: 5.2.2

Fixpip install --upgrade 'plone>=5.2.2'

References

https://plone.org/security/hotfix/20200121[WEB]
https://plone.org/security/hotfix/20200121/privilege-escalation-for-overwriting-content[WEB]
https://www.openwall.com/lists/oss-security/2020/01/22/1[WEB]
http://www.openwall.com/lists/oss-security/2020/01/24/1[WEB]