CVE-2019-10146 Explained : Impact and Mitigation
Learn about CVE-2019-10146, a medium severity Reflected Cross Site Scripting vulnerability in Red Hat's pki-core module. Find out how to mitigate the risks and apply necessary patches.
A security vulnerability known as Reflected Cross Site Scripting was discovered in all versions of the pki-core module (specifically 10.x.x) originating from the pki-core server. The flaw stemmed from the inadequate sanitization of the certificate request page by the CA Agent Service. This could allow a malicious actor to execute specially crafted input on the targeted user's web browser.
Understanding CVE-2019-10146
This CVE involves a Reflected Cross Site Scripting vulnerability in Red Hat's pki-core module.
What is CVE-2019-10146?
CVE-2019-10146 is a security vulnerability in all pki-core 10.x.x versions that could be exploited by an attacker to execute malicious scripts on a user's browser.
The Impact of CVE-2019-10146
The vulnerability has a CVSS base score of 4.7, indicating a medium severity issue with high attack complexity and network-based attack vector. While it has low confidentiality and integrity impacts, user interaction is required for exploitation.
Technical Details of CVE-2019-10146
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability arises from the inadequate sanitization of the certificate request page by the CA Agent Service in all pki-core 10.x.x versions.
Affected Systems and Versions
- Product: pki-core
- Vendor: Red Hat
- Affected Versions: all pki-core 10.x.x versions
Exploitation Mechanism
The flaw allows a malicious actor to insert specially designed input on the certificate request page, leading to the execution of malicious scripts on the user's web browser.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks posed by CVE-2019-10146.
Immediate Steps to Take
- Apply the necessary patches provided by Red Hat to address the vulnerability.
- Educate users about the potential risks of executing scripts from untrusted sources.
Long-Term Security Practices
- Regularly update and patch software to prevent known vulnerabilities.
- Implement input validation and sanitization mechanisms to mitigate XSS vulnerabilities.
Patching and Updates
Red Hat has released patches to address the vulnerability in the affected pki-core versions.