CVE-2019-8346 Explained : Impact and Mitigation
Learn about CVE-2019-8346 affecting Zoho ManageEngine ADSelfService Plus versions 5.x through 5704. Understand the impact, technical details, and mitigation steps.
Zoho ManageEngine ADSelfService Plus 5.x through 5704 is vulnerable to unauthorized manipulation of JavaScript code through a cross-site scripting (XSS) flaw.
Understanding CVE-2019-8346
This CVE identifies a security vulnerability in Zoho ManageEngine ADSelfService Plus that allows attackers to manipulate JavaScript code through a specific parameter injection.
What is CVE-2019-8346?
The vulnerability in versions 5.x through 5704 of Zoho ManageEngine ADSelfService Plus enables unauthorized manipulation of JavaScript code by injecting the adscsrf parameter in the HTTP form. This cross-site Scripting (XSS) vulnerability allows attackers to potentially obtain a user's AD self-service password reset and MFA token.
The Impact of CVE-2019-8346
The vulnerability poses a risk of unauthorized access to sensitive user information, including password reset and multi-factor authentication tokens.
Technical Details of CVE-2019-8346
Zoho ManageEngine ADSelfService Plus 5.x through 5704 is susceptible to a specific type of cross-site scripting vulnerability.
Vulnerability Description
In Zoho ManageEngine ADSelfService Plus 5.x through 5704, an authorization.do cross-site scripting (XSS) vulnerability allows for unauthenticated manipulation of JavaScript code by injecting the HTTP form parameter adscsrf. This can lead to capturing a user's AD self-service password reset and MFA token.
Affected Systems and Versions
- Product: Zoho ManageEngine ADSelfService Plus
- Versions: 5.x through 5704
Exploitation Mechanism
The vulnerability can be exploited by injecting the adscsrf parameter in the HTTP form, enabling attackers to manipulate JavaScript code and potentially access sensitive user data.
Mitigation and Prevention
To address CVE-2019-8346, immediate steps and long-term security practices are recommended.
Immediate Steps to Take
- Apply security patches provided by Zoho ManageEngine promptly.
- Monitor for any unauthorized access or unusual activities on the affected systems.
Long-Term Security Practices
- Implement regular security audits and vulnerability assessments.
- Educate users on safe browsing practices and awareness of phishing attempts.
Patching and Updates
Ensure that the Zoho ManageEngine ADSelfService Plus software is kept up to date with the latest security patches to mitigate the risk of exploitation.