CVE-2018-12901 Explained : Impact and Mitigation
Learn about CVE-2018-12901, a vulnerability in Mitel ST 14.2's conferencing component allowing unauthorized attackers to execute arbitrary scripts through a reflected XSS attack. Find mitigation steps and patching advice here.
Mitel ST 14.2's conferencing component in versions GA29 (19.49.9400.0) and earlier is vulnerable to a reflected cross-site scripting (XSS) attack due to inadequate validation on the signin.php page.
Understanding CVE-2018-12901
This CVE involves a security vulnerability in Mitel ST 14.2's conferencing component that could allow unauthorized attackers to execute arbitrary scripts through a reflected XSS attack.
What is CVE-2018-12901?
The lack of proper validation for the signin.php page in Mitel ST 14.2 versions GA29 (19.49.9400.0) and earlier has led to a vulnerability that could be exploited by unauthorized attackers to perform a reflected cross-site scripting (XSS) attack.
The Impact of CVE-2018-12901
Successful exploitation of this vulnerability could enable attackers to execute arbitrary scripts, potentially leading to unauthorized access and data manipulation.
Technical Details of CVE-2018-12901
Mitel ST 14.2's conferencing component in versions GA29 (19.49.9400.0) and earlier is susceptible to a reflected cross-site scripting (XSS) attack due to insufficient validation on the signin.php page.
Vulnerability Description
The vulnerability allows unauthenticated attackers to conduct a reflected XSS attack, posing a risk of executing arbitrary scripts.
Affected Systems and Versions
- Product: Mitel ST 14.2
- Versions affected: GA29 (19.49.9400.0) and earlier
Exploitation Mechanism
Attackers can exploit the vulnerability by injecting malicious scripts through the signin.php page, potentially leading to the execution of unauthorized code.
Mitigation and Prevention
Mitigation steps are crucial to prevent exploitation and enhance system security.
Immediate Steps to Take
- Apply security patches provided by Mitel promptly.
- Implement input validation mechanisms to prevent XSS attacks.
- Monitor and restrict user input to mitigate the risk of script injection.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and audits to identify and remediate potential weaknesses.
Patching and Updates
- Mitel has released security advisories addressing this vulnerability. Ensure timely application of patches to secure systems.