TITLE:
Plone "member_id" Parameter Portrait Manipulation Vulnerability

SECUNIA ADVISORY ID:
SA19633

VERIFY ADVISORY:
http://secunia.com/advisories/19633/

CRITICAL:
Less critical

IMPACT:
Security Bypass, Manipulation of data

WHERE:
>From remote

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

DESCRIPTION:
mj has reported a vulnerability in Plone, which can be exploited by
malicious people to manipulate certain information.

The vulnerability is caused due to missing security declarations in
"changeMemberPortrait" and "deletePersonalPortrait". This can be
exploited to manipulate or delete another user's portrait via the
"member_id" parameter.

The vulnerability has been reported in versions 2.0.5, 2.1.2, and
2.5-beta1. Other versions may also be affected.

SOLUTION:
Apply Plone Hotfix 2006-04-10 1.0.
http://plone.org/products/plonehotfix20060410/releases/1.0

The vulnerability will also be fixed in the upcoming 2.0.6, 2.1.3,
and 2.5-beta2 versions.

PROVIDED AND/OR DISCOVERED BY:
mj

ORIGINAL ADVISORY:
http://www.debian.org/security/2006/dsa-1032
http://dev.plone.org/plone/ticket/5432

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