CVE-2018-10948 : Security Advisory and Response

Zimbra Collaboration Suite's Synacor Zimbra Admin UI is vulnerable to Persistent Cross-Site Scripting (XSS) before version 8.8.0 beta 2, allowing attackers to exploit the system through email address manipulation.

Understanding CVE-2018-10948

This CVE identifies a Persistent XSS vulnerability in the Synacor Zimbra Admin UI of Zimbra Collaboration Suite.

What is CVE-2018-10948?

The vulnerability allows malicious actors to execute scripts in a victim's browser, potentially compromising sensitive data or performing unauthorized actions.

The Impact of CVE-2018-10948

Exploitation of this vulnerability can lead to unauthorized access, data theft, and potential manipulation of the Zimbra Collaboration Suite environment.

Technical Details of CVE-2018-10948

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The vulnerability lies in the Synacor Zimbra Admin UI of Zimbra Collaboration Suite before version 8.8.0 beta 2, enabling Persistent XSS attacks through email addresses.

Affected Systems and Versions

Product: Zimbra Collaboration Suite
Vendor: Synacor
Versions Affected: Prior to 8.8.0 beta 2

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating email addresses within the Synacor Zimbra Admin UI.

Mitigation and Prevention

To address CVE-2018-10948, consider the following steps:

Immediate Steps to Take

Upgrade Zimbra Collaboration Suite to version 8.8.0 beta 2 or later.
Implement input validation mechanisms to prevent malicious input.

Long-Term Security Practices

Regularly monitor and audit the Zimbra Collaboration Suite for unusual activities.
Train users on identifying and reporting suspicious emails or activities.

Patching and Updates

Stay informed about security updates and patches released by Zimbra Collaboration Suite.
Apply patches promptly to mitigate known vulnerabilities.