CVE-2019-18575 : What You Need to Know
Learn about CVE-2019-18575 affecting Dell Command Configure (DCC) versions before 4.2.1. Find out the impact, exploitation mechanism, and mitigation steps.
Dell Command Configure (DCC) versions prior to 4.2.1 have a vulnerability that allows a locally authenticated malicious user to exploit an uncontrolled search path, potentially leading to file overwrite or corruption.
Understanding CVE-2019-18575
This CVE involves a vulnerability in Dell Command Configure (DCC) versions before 4.2.1, impacting the search path control mechanism.
What is CVE-2019-18575?
The vulnerability in Dell Command Configure (DCC) versions prior to 4.2.1 allows a malicious user authenticated locally to create a symlink to a specific file, enabling them to overwrite or damage the targeted file on the system.
The Impact of CVE-2019-18575
- CVSS Base Score: 7.1 (High)
- Attack Vector: Local
- Attack Complexity: Low
- Privileges Required: Low
- Integrity Impact: High
- Availability Impact: High
Technical Details of CVE-2019-18575
Vulnerability Description
The vulnerability arises from the lack of proper control over the search path in Dell Command Configure (DCC) versions before 4.2.1, allowing for symlink creation by authenticated local users.
Affected Systems and Versions
- Affected Product: Dell Command Configure (DCC)
- Vendor: Dell
- Vulnerable Versions: < 4.2.1 (unspecified/custom version)
Exploitation Mechanism
The vulnerability can be exploited by a locally authenticated malicious user who creates a symlink to a specific file, granting them the ability to overwrite or damage the targeted file on the system.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade Dell Command Configure (DCC) to version 4.2.1 or later to mitigate the vulnerability.
- Monitor and restrict access to critical system files to prevent unauthorized modifications.
Long-Term Security Practices
- Implement the principle of least privilege to limit user access rights.
- Regularly review and update security configurations to address potential vulnerabilities.
Patching and Updates
- Stay informed about security updates and patches released by Dell for Dell Command Configure (DCC) to address known vulnerabilities.