Mailing List Archive

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A vulnerability has been discovered in Zope, where by certain types of
misuse of HTTP GET, an attacker could gain elevated privileges. All
Zope versions up to and including 2.10.2 are affected.

Overview

This hotfix removes the exploit by mandating that security setting
alterations can only be made through POST requests. This
vulnerability
has been fixed in the Zope 2.8, 2.9 and 2.10 branches and all future
releases of Zope will include this fix.

Do note that this patch only affects direct requests to the security
methods; any 3rd-party code that calls these methods indirectly may
still be affected.

Hotfix

We have prepared a hot fix for this problem
at:

"http://www.zope.org/Products/Zope/Hotfix-2007-03-20/
Hotfix-20070320/",
http://www.zope.org/Products/Zope/Hotfix-2007-03-20/
Hotfix-20070320/.

This hotfix should be installed as soon as possible.

To install, simply extract the archive into your Products
directory in your Zope installation.

See: "http://www.zope.org/Products/Zope/Hotfix-2007-03-20/
Hotfix-20070320/README.txt",
http://www.zope.org/Products/Zope/Hotfix-2007-03-20/
Hotfix-20070320/README.txt,

for installation instructions.

- --
Martijn Pieters

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