Red Hat XML Language Server up to 0.9.0 XMLLanguageService.java path traversal

Summaryinfo

A vulnerability described as critical has been identified in Red Hat XML Language Server up to 0.9.0. Affected by this vulnerability is an unknown functionality of the file XMLLanguageService.java. Executing a manipulation can lead to path traversal. This vulnerability is registered as CVE-2019-18212. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Red Hat XML Language Server up to 0.9.0. This vulnerability affects an unknown code block of the file XMLLanguageService.java. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

XMLLanguageService.java in XML Language Server (aka lsp4xml) before 0.9.1, as used in Red Hat XML Language Support (aka vscode-xml) before 0.9.1 for Visual Studio and other products, allows a remote attacker to write to arbitrary files via Directory Traversal.

The weakness was published 10/23/2019 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability was named CVE-2019-18212 since 10/19/2019. The exploitation appears to be easy. The attack can be initiated remotely. The requirement for exploitation is a single authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

Upgrading to version 0.9.1 eliminates this vulnerability.

Similar entry is available at VDB-144101. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Red Hat

Name

• XML Language Server

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9.0

License

• open-source

Website

• Vendor: https://www.redhat.com/

CPE 2.3info

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Once again VulDB remains the best source for vulnerability data.

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