CVE-2018-17938 : Security Advisory and Response

Zimbra Collaboration before 8.8.10 GA had a vulnerability that allowed text content spoofing by manipulating the loginErrorCode value during login.

Understanding CVE-2018-17938

This CVE involves a vulnerability in Zimbra Collaboration that could be exploited for text content spoofing.

What is CVE-2018-17938?

Before the release of Zimbra Collaboration 8.8.10 GA, a vulnerability existed that allowed attackers to manipulate the loginErrorCode value to spoof text content during the login process.

The Impact of CVE-2018-17938

This vulnerability could potentially lead to unauthorized access or phishing attacks by spoofing text content during the login process.

Technical Details of CVE-2018-17938

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in Zimbra Collaboration before 8.8.10 GA allowed for text content spoofing by manipulating the loginErrorCode value during login.

Affected Systems and Versions

Affected Product: Zimbra Collaboration
Affected Version: Before 8.8.10 GA

Exploitation Mechanism

Attackers could exploit this vulnerability by manipulating the loginErrorCode value during the login process to spoof text content.

Mitigation and Prevention

Protecting systems from CVE-2018-17938 requires specific actions.

Immediate Steps to Take

Upgrade to Zimbra Collaboration 8.8.10 GA or newer versions to mitigate the vulnerability.
Monitor loginErrorCode values for any suspicious activities.

Long-Term Security Practices

Regularly update and patch Zimbra Collaboration to ensure the latest security fixes are in place.
Educate users on phishing awareness and best practices for secure login procedures.

Patching and Updates

Ensure timely installation of security patches and updates provided by Zimbra to address known vulnerabilities.