CVE-2017-8114 : Exploit Details and Defense Strategies

Roundcube Webmail allows arbitrary password resets by authenticated users. This vulnerability affects versions before 1.0.11, 1.1.x before 1.1.9, and 1.2.x before 1.2.5. The issue stems from an inadequately restricted exec call in the password plugin's virtualmin and sasl drivers.

Understanding CVE-2017-8114

Arbitrary password resets by authenticated users are possible in Roundcube Webmail.

What is CVE-2017-8114?

This CVE refers to a vulnerability in Roundcube Webmail that allows authenticated users to perform arbitrary password resets. The flaw affects specific versions of Roundcube Webmail.

The Impact of CVE-2017-8114

The vulnerability allows authenticated users to reset passwords arbitrarily, potentially leading to unauthorized access to accounts and sensitive information.

Technical Details of CVE-2017-8114

Roundcube Webmail vulnerability details.

Vulnerability Description

The vulnerability allows authenticated users to reset passwords arbitrarily due to inadequately restricted exec calls in the virtualmin and sasl drivers of the password plugin.

Affected Systems and Versions

Versions prior to 1.0.11
1.1.x versions prior to 1.1.9
1.2.x versions prior to 1.2.5

Exploitation Mechanism

The issue arises from an improperly restricted exec call in the virtualmin and sasl drivers of the password plugin, enabling authenticated users to reset passwords.

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2017-8114 vulnerability.

Immediate Steps to Take

Upgrade Roundcube Webmail to version 1.0.11, 1.1.9, or 1.2.5 or newer to address the vulnerability.
Monitor user password reset activities for any suspicious behavior.

Long-Term Security Practices

Regularly update Roundcube Webmail and all associated plugins to the latest versions.
Implement strong password policies and multi-factor authentication to enhance security.

Patching and Updates

Apply security patches provided by Roundcube Webmail promptly to address known vulnerabilities.