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TITLE:
Plone "statusmessages" and "linkintegrity" Modules Code Execution

SECUNIA ADVISORY ID:
SA27530

VERIFY ADVISORY:
http://secunia.com/advisories/27530/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

SOFTWARE:
Plone 2.x
http://secunia.com/product/9334/
Plone 3.x
http://secunia.com/product/16451/

DESCRIPTION:
Two vulnerabilities have been reported in Plone, which can be
exploited by malicious people to compromise a vulnerable system.

The vulnerabilities are caused due to errors within the
"statusmessages" and "linkintegrity" modules, where unsafe network
data is interpreted as python pickles. This can be exploited to
execute arbitrary python code within the Zope/Plone process.

The vulnerabilities are reported in Plone 2.5 up to and including
version 2.5.4 and Plone 3.0 up to and including version 3.0.2.

SOLUTION:
Apply the hotfix.
http://plone.org/products/plone-hotfix/releases/20071106

PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.

ORIGINAL ADVISORY:
http://plone.org/about/security/advisories/cve-2007-5741

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About:
This Advisory was delivered by Secunia as a free service to help
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