CVE-2022-28218 : Security Advisory and Response

An issue was discovered in CipherMail Webmail Messenger 1.1.1 through 4.1.4 where a local attacker could access secret keys used to protect Webmail user passwords and two-factor authentication (2FA).

Understanding CVE-2022-28218

This CVE highlights a vulnerability in CipherMail Webmail Messenger that could lead to unauthorized access to sensitive information.

What is CVE-2022-28218?

The vulnerability in CipherMail Webmail Messenger versions 1.1.1 through 4.1.4 allows a local attacker to retrieve secret keys from a Roundcube configuration file, compromising the security of Webmail user passwords and 2FA.

The Impact of CVE-2022-28218

Exploitation of this vulnerability could result in the exposure of sensitive user data, leading to unauthorized access to email accounts and compromising user authentication mechanisms.

Technical Details of CVE-2022-28218

This section provides more detailed insights into the vulnerability.

Vulnerability Description

The issue arises due to a lack of proper access controls, enabling local attackers to retrieve crucial secret keys stored in a configuration file.

Affected Systems and Versions

CipherMail Webmail Messenger versions 1.1.1 through 4.1.4 are impacted by this vulnerability, potentially affecting users relying on these software versions for email communication.

Exploitation Mechanism

Attackers with local access can exploit this vulnerability to retrieve secret keys, bypassing security controls and gaining unauthorized access to user passwords and 2FA mechanisms.

Mitigation and Prevention

Protecting systems from CVE-2022-28218 requires immediate action and long-term security practices.

Immediate Steps to Take

Users and administrators are advised to update CipherMail Webmail Messenger to a secure version, review access controls, and monitor for any unauthorized access.

Long-Term Security Practices

Implementing strong access controls, regularly updating software, conducting security assessments, and educating users on safe practices can enhance system security.

Patching and Updates

Stay informed about security updates for CipherMail products and promptly apply patches to address known vulnerabilities.