CVE-2019-0838 : Security Advisory and Response
Learn about CVE-2019-0838, an information disclosure vulnerability in Windows Task Scheduler that exposes credentials to Windows Credential Manager. Find out the impacted systems and versions, exploitation mechanism, and mitigation steps.
Windows Task Scheduler has a security weakness leading to unauthorized credential disclosure to Windows Credential Manager, known as 'Windows Information Disclosure Vulnerability'.
Understanding CVE-2019-0838
This CVE ID is distinct from CVE-2019-0839.
What is CVE-2019-0838?
An information disclosure vulnerability in Windows Task Scheduler exposes credentials to Windows Credential Manager.
The Impact of CVE-2019-0838
The vulnerability allows unauthorized access to sensitive credentials, potentially leading to data breaches and unauthorized system access.
Technical Details of CVE-2019-0838
Windows Task Scheduler vulnerability details:
Vulnerability Description
- Security weakness in Windows Task Scheduler
- Unauthorized disclosure of credentials to Windows Credential Manager
Affected Systems and Versions
Windows
- Windows 7, 8.1, RT 8.1, 10, and various versions
Windows Server
- 2008, 2012, 2016, 2019, and related versions
Exploitation Mechanism
- Attackers exploit the vulnerability to gain access to sensitive credentials stored in Windows Credential Manager.
Mitigation and Prevention
Protect your systems from CVE-2019-0838:
Immediate Steps to Take
- Apply security patches provided by Microsoft promptly
- Monitor system logs for any unauthorized access attempts
Long-Term Security Practices
- Regularly update and patch systems to prevent vulnerabilities
- Implement strong password policies and multi-factor authentication
Patching and Updates
- Regularly check for and apply security updates and patches from Microsoft to mitigate the vulnerability.