oss-security - CSRF vulnerability in Tiki <= 17.0, 16.2, 15.4 LTS and 12.11 LTS

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Message-ID: <b26a514f-eb48-32dd-d504-64288b7f1087@chbi.eu>
Date: Thu, 28 Sep 2017 20:31:57 +0200
From: chbi@...i.eu
To: oss-security@...ts.openwall.com
Subject: CSRF vulnerability in Tiki <= 17.0, 16.2, 15.4 LTS and 12.11 LTS

Hi,

there are two security issues in Tiki <= 17.0, 16.2, 15.4 LTS and 12.11
LTS (https://tiki.org)

Cross-Site Request Forgery (CSRF) vulnerability via IMG tag allows an
authenticated user to gain administrator privileges if an administrator
opens a wiki page with the IMG tag.

Fix:
https://sourceforge.net/p/tikiwiki/code/63829

Cross-Site Request Forgery (CSRF) vulnerability via IMG tag allows an
authenticated user to edit global permissions if an administrator opens
a wiki page with the IMG tag. For example, an attacker could assign
administrator privileges to every unauthenticated user of the site.

Fix:
https://sourceforge.net/p/tikiwiki/code/63872

Both issues are fixed in Tiki 17.1, Tiki 16.3, Tiki 15.5 LTS and Tiki
12.12 LTS.

https://tiki.org/article449-Security-and-bug-fix-updates-Tiki-17-1-Tiki-16-3-15-5-and-Tiki-12-12-released

-- 
chbi
https://chbi.eu

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