CVE-2019-19496 Explained : Impact and Mitigation
Learn about CVE-2019-19496 affecting Alfresco Enterprise before version 5.2.5, allowing malicious script execution via uploaded HTML documents. Find mitigation steps and preventive measures.
Alfresco Enterprise before version 5.2.5 is affected by a Stored Cross-Site Scripting (XSS) vulnerability that allows malicious script execution through uploaded HTML documents.
Understanding CVE-2019-19496
This CVE involves a security issue in Alfresco Enterprise that enables attackers to execute harmful scripts by exploiting a stored XSS vulnerability.
What is CVE-2019-19496?
Alfresco Enterprise, prior to version 5.2.5, is susceptible to a Stored Cross-Site Scripting (XSS) vulnerability. This flaw permits threat actors to run malicious scripts by uploading HTML documents.
The Impact of CVE-2019-19496
The vulnerability in Alfresco Enterprise could lead to unauthorized script execution, potentially compromising the integrity and confidentiality of data stored within the system.
Technical Details of CVE-2019-19496
Alfresco Enterprise's vulnerability to stored XSS can have severe consequences if exploited by malicious entities.
Vulnerability Description
The flaw in Alfresco Enterprise allows attackers to execute malicious scripts by uploading HTML documents, posing a significant security risk.
Affected Systems and Versions
- Product: Alfresco Enterprise
- Versions Affected: Prior to 5.2.5
Exploitation Mechanism
Attackers can exploit this vulnerability by uploading specially crafted HTML documents containing malicious scripts, which are then executed within the application.
Mitigation and Prevention
To safeguard systems from the CVE-2019-19496 vulnerability, immediate actions and long-term security practices are crucial.
Immediate Steps to Take
- Upgrade to Alfresco Enterprise version 5.2.5 or later to mitigate the risk of stored XSS attacks.
- Implement content security policies to restrict the execution of untrusted scripts.
Long-Term Security Practices
- Regularly monitor and audit uploaded content for potentially malicious scripts.
- Educate users on safe uploading practices and the risks associated with executing scripts from untrusted sources.
Patching and Updates
- Stay informed about security updates and patches released by Alfresco to address vulnerabilities promptly.