CVE-2017-17515 : What You Need to Know
Learn about CVE-2017-17515, a vulnerability in Metview version 4.7.3 that allows remote attackers to conduct argument-injection attacks via a crafted URL. Find out the impact, technical details, and mitigation steps.
In Metview version 4.7.3, a vulnerability exists in the etc/ObjectList component that allows remote attackers to conduct argument-injection attacks via a crafted URL.
Understanding CVE-2017-17515
This CVE entry describes a security issue in Metview version 4.7.3 related to the handling of the BROWSER environment variable.
What is CVE-2017-17515?
The vulnerability in Metview version 4.7.3 allows remote attackers to exploit argument-injection attacks through a maliciously crafted URL.
The Impact of CVE-2017-17515
The vulnerability could potentially be exploited by remote attackers to manipulate the program specified in the BROWSER environment variable, posing a security risk to the system.
Technical Details of CVE-2017-17515
This section provides detailed technical information about the vulnerability.
Vulnerability Description
In Metview version 4.7.3, the etc/ObjectList component does not perform string validation before launching the program specified in the BROWSER environment variable, enabling remote attackers to carry out argument-injection attacks through a maliciously crafted URL.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
The vulnerability arises from the lack of string validation in the etc/ObjectList component, allowing attackers to manipulate the program specified in the BROWSER environment variable.
Mitigation and Prevention
Protecting systems from CVE-2017-17515 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Disable or restrict access to the BROWSER environment variable in affected systems.
- Implement input validation mechanisms to prevent argument-injection attacks.
Long-Term Security Practices
- Regularly update Metview to the latest version to patch known vulnerabilities.
- Conduct security audits and code reviews to identify and address similar issues.
- Educate users and administrators about safe URL handling practices.
- Monitor and analyze system logs for any suspicious activities.
Patching and Updates
Ensure that the Metview software is regularly updated to the latest version to mitigate the vulnerability.