CVE-2019-18212 : Vulnerability Insights and Analysis
Learn about CVE-2019-18212, a vulnerability in XML Language Server and Red Hat XML Language Support allowing unauthorized file writing. Find mitigation steps and prevention measures here.
XMLLanguageService.java in XML Language Server (aka lsp4xml) before version 0.9.1 and Red Hat XML Language Support (aka vscode-xml) before version 0.9.1 for Visual Studio are vulnerable to unauthorized file writing through Directory Traversal.
Understanding CVE-2019-18212
This CVE involves a vulnerability in XMLLanguageService.java within XML Language Server and Red Hat XML Language Support, allowing unauthorized file writing.
What is CVE-2019-18212?
The vulnerability in XMLLanguageService.java within XML Language Server and Red Hat XML Language Support allows remote attackers to write to arbitrary files through Directory Traversal.
The Impact of CVE-2019-18212
Unauthorized remote attackers can exploit this vulnerability to perform unauthorized writing to arbitrary files through the exploitation of Directory Traversal.
Technical Details of CVE-2019-18212
This section provides technical details about the vulnerability.
Vulnerability Description
The vulnerability exists in XMLLanguageService.java within XML Language Server (lsp4xml) before version 0.9.1 and Red Hat XML Language Support (vscode-xml) before version 0.9.1 for Visual Studio.
Affected Systems and Versions
- XML Language Server (lsp4xml) before version 0.9.1
- Red Hat XML Language Support (vscode-xml) before version 0.9.1
Exploitation Mechanism
Attackers can exploit this vulnerability through Directory Traversal, enabling them to write to arbitrary files.
Mitigation and Prevention
Protect your systems from CVE-2019-18212 with these mitigation strategies.
Immediate Steps to Take
- Update XML Language Server and Red Hat XML Language Support to version 0.9.1 or higher.
- Implement proper input validation to prevent Directory Traversal attacks.
Long-Term Security Practices
- Regularly monitor and audit file write activities on your systems.
- Educate users on safe coding practices to prevent vulnerabilities like Directory Traversal.
Patching and Updates
- Stay informed about security updates for XML Language Server and Red Hat XML Language Support to apply patches promptly.