Remote code execution on Code42 servers

Overview

This article provides details about a security vulnerability affecting on-premises Code42 servers.

To protect the security of our customers, we don't publish a security advisory until a vulnerability has been fully investigated and a patch or update is available that resolves the issue.

For more information about security at Code42, see our Security page. If you believe you've found a Code42 security vulnerability, see Report a security vulnerability to Code42.

If you have questions or concerns, contact our Technical Support Engineers.

Description

A vulnerability has been identified that could allow an attacker to escalate privilege and execute arbitrary code on an on-premises Code42 server.

Affected product and versions

Code42 environments with on-premises Code42 servers running version 7.0.4 or earlier.

Resolution

This vulnerability is fixed in on-premises Code42 server version 7.0.5 and later. To remediate this vulnerability, upgrade your environment.

CVE details

CVE ID	CVE-2020-12736
Date published	July 6, 2020
Number of vulnerabilities	1
Vulnerability type	Other – Code execution
CVSS v3	Score: 8.0 Vector string: 3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Attack type	Remote
Impact	Code execution
Attack vectors	An attacker could escalate privilege and execute arbitrary code on the on-premises Code42 server.
Affected component	On-premises Code42 server
Description of the vulnerability	When an administrator creates a local (non-SSO) user via a Code42-generated email, the administrator has the option to modify content for the email invitation. If the administrator entered template language code in the subject line, that code could be interpreted by the email generation services, potentially resulting in server-side code injection.
Acknowledgements	Thank you to Hung Tien Thanh of MSV for discovering and reporting this vulnerability.

Other Code42 resources

Code42: Security
If you want to be notified when Code42 identifies a security vulnerability, navigate to the Code42 email preferences page and check the box "Common Security and Vulnerability Reports" in the preferences form.