#Totemo host code#

The vulnerability was handled as a non-public zero-day exploit for at least 51 days. The key material is provided by the gateway through a JSONP callback that must be either authenticated using the email and password in the POST request or with an existing session ID.Ī public exploit has been developed by Nicolas Heiniger in HTTP GET Request and been published immediately after the advisory. When sending an encrypted email to a recipient outside of the organization, totemomail Encryption Gateway sends a so-called Envelope Message that includes an HTML file with the encrypted content and JavaScript to get the key from the gateway to decrypt the content. The MITRE ATT&CK project declares the attack technique as T1592. Technical details are unknown but a public exploit is available. The exploitation doesn't require any form of authentication. It is possible to launch the attack remotely. This vulnerability is traded as CVE-2018-6562 since. The public release was coordinated with the vendor. The weakness was released by Nicolas Heiniger with CSNC as CSNC-2018-002 as confirmed posting (Bugtraq). This is going to have an impact on confidentiality. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. The manipulation with an unknown input leads to a information disclosure vulnerability (Key).

#Totemo host code#

Affected is an unknown code of the component JSONP Callback Handler. A high score indicates an elevated risk to be targeted for this vulnerability.Ī vulnerability was found in Totemo Email Encryption Gateway up to 6.0.

The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time.

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