CVE-2020-7749 : Exploit Details and Defense Strategies
Learn about CVE-2020-7749 affecting all versions of osm-static-maps. Understand the impact, technical details, and mitigation steps for this Server-side Request Forgery vulnerability.
CVE-2020-7749, also known as Server-side Request Forgery (SSRF), affects all versions of the osm-static-maps package. The vulnerability allows attackers to inject arbitrary HTML/JS code, potentially leading to XSS, SSRF, or Local File Read attacks.
Understanding CVE-2020-7749
This CVE involves a vulnerability in the osm-static-maps package that enables attackers to manipulate user input to execute malicious code.
What is CVE-2020-7749?
The vulnerability in osm-static-maps allows user input to be directly passed to a template without proper escaping, enabling attackers to inject malicious code that can be executed as HTML or on the server, leading to various attacks.
The Impact of CVE-2020-7749
The vulnerability poses a high severity risk with a CVSS base score of 7.6, allowing for potential XSS, SSRF, or Local File Read attacks depending on the context of the injected code.
Technical Details of CVE-2020-7749
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability in osm-static-maps arises from user input being directly passed to a template without proper escaping, enabling attackers to inject arbitrary HTML/JS code.
Affected Systems and Versions
- Product: osm-static-maps
- Vendor: n/a
- Versions affected: Custom version 0
Exploitation Mechanism
The vulnerability allows attackers to inject malicious code via user input, which can lead to XSS, SSRF, or Local File Read attacks.
Mitigation and Prevention
Protecting systems from CVE-2020-7749 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply official fixes provided by the vendor to address the vulnerability.
- Implement input validation and output encoding to prevent code injection.
Long-Term Security Practices
- Regularly update and patch software to mitigate known vulnerabilities.
- Conduct security audits and code reviews to identify and address potential security flaws.
- Educate developers on secure coding practices to prevent similar vulnerabilities.
- Monitor and restrict network access to prevent SSRF attacks.
Patching and Updates
Ensure that the osm-static-maps package is updated to a secure version that addresses the vulnerability.