CVE-2018-7703 : Security Advisory and Response
Learn about CVE-2018-7703, a cross-site scripting vulnerability in SecurEnvoy SecurMail versions prior to 9.2.501. Understand the impact, affected systems, exploitation mechanism, and mitigation steps.
A vulnerability in SecurEnvoy SecurMail prior to version 9.2.501 has been discovered, which is susceptible to cross-site scripting (XSS) attacks. This vulnerability enables attackers to inject and execute arbitrary web scripts or HTML code through the mailboxid parameter on the secmail/getmessage.exe endpoint.
Understanding CVE-2018-7703
This CVE entry describes a cross-site scripting vulnerability in SecurEnvoy SecurMail that allows remote attackers to inject malicious scripts or HTML code.
What is CVE-2018-7703?
CVE-2018-7703 is a security vulnerability found in SecurEnvoy SecurMail versions prior to 9.2.501, allowing for cross-site scripting attacks through the mailboxid parameter.
The Impact of CVE-2018-7703
The vulnerability can be exploited by attackers to inject and execute arbitrary web scripts or HTML code, potentially leading to unauthorized access or data theft.
Technical Details of CVE-2018-7703
This section provides more technical insights into the CVE-2018-7703 vulnerability.
Vulnerability Description
The vulnerability in SecurEnvoy SecurMail before version 9.2.501 allows remote attackers to inject arbitrary web script or HTML via the mailboxid parameter to secmail/getmessage.exe.
Affected Systems and Versions
- Product: SecurEnvoy SecurMail
- Vendor: SecurEnvoy
- Versions affected: All versions before 9.2.501
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious scripts or HTML code through the mailboxid parameter on the secmail/getmessage.exe endpoint.
Mitigation and Prevention
To address CVE-2018-7703, follow these mitigation and prevention strategies.
Immediate Steps to Take
- Upgrade SecurEnvoy SecurMail to version 9.2.501 or later to mitigate the vulnerability.
- Implement input validation mechanisms to sanitize user inputs and prevent XSS attacks.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate potential security weaknesses.
Patching and Updates
- Stay informed about security advisories and updates from SecurEnvoy to apply patches promptly.