CVE-2018-7706 Explained : Impact and Mitigation

This CVE-2018-7706 article provides insights into a directory traversal vulnerability in SecurEnvoy SecurMail before version 9.2.501, allowing authenticated remote users to access unauthorized email messages.

Understanding CVE-2018-7706

This vulnerability, with a CVSS score of 4.0, was made public on March 12, 2018.

What is CVE-2018-7706?

The SecurEnvoy SecurMail version prior to 9.2.501 is susceptible to a directory traversal vulnerability. Authenticated remote users can exploit this flaw to access and view email messages not intended for them by manipulating the 'option2' parameter.

The Impact of CVE-2018-7706

The vulnerability enables unauthorized access to email messages, potentially leading to data leakage and privacy breaches.

Technical Details of CVE-2018-7706

This section delves into the specifics of the vulnerability.

Vulnerability Description

The flaw in SecurEnvoy SecurMail allows remote authenticated users to read arbitrary email messages by inserting '..' in the 'option2' parameter within an attachment action.

Affected Systems and Versions

Product: SecurEnvoy SecurMail
Versions affected: All versions before 9.2.501

Exploitation Mechanism

The vulnerability is exploited by authenticated remote users manipulating the 'option2' parameter in the secmail/getmessage.exe URL.

Mitigation and Prevention

Protecting systems from CVE-2018-7706 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update SecurEnvoy SecurMail to version 9.2.501 or later.
Monitor email access for any unauthorized activities.

Long-Term Security Practices

Implement access controls to restrict unauthorized access to sensitive emails.
Conduct regular security audits to identify and address vulnerabilities.

Patching and Updates

Apply security patches promptly to address known vulnerabilities and enhance system security.