Vulnerability Description
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 XXE via a crafted XML document, with resultant SSRF (as well as SMB connection initiation that can lead to NetNTLM challenge/response capture for password cracking). This occurs in extensions/contentmodel/participants/diagnostics/LSPXMLParserConfiguration.java.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Xml Language Server Project | Xml Server Project | < 0.9.1 |
| Eclipse | Wild Web Developer | - |
| Theia Xml Extension Project | Theia Xml Extension | - |
Related Weaknesses (CWE)
References
- https://github.com/angelozerr/lsp4xml/Product
- https://github.com/angelozerr/lsp4xml/blob/master/CHANGELOG.md#othersRelease NotesThird Party Advisory
- https://github.com/angelozerr/lsp4xml/pull/566PatchThird Party Advisory
- https://github.com/redhat-developer/vscode-xml/PatchThird Party Advisory
- https://marketplace.visualstudio.com/items?itemName=redhat.vscode-xmlThird Party Advisory
- https://www.shielder.it/blog/dont-open-that-xml-xxe-to-rce-in-xml-plugins-for-vsExploitThird Party Advisory
- https://github.com/angelozerr/lsp4xml/Product
- https://github.com/angelozerr/lsp4xml/blob/master/CHANGELOG.md#othersRelease NotesThird Party Advisory
- https://github.com/angelozerr/lsp4xml/pull/566PatchThird Party Advisory
- https://github.com/redhat-developer/vscode-xml/PatchThird Party Advisory
- https://marketplace.visualstudio.com/items?itemName=redhat.vscode-xmlThird Party Advisory
- https://www.shielder.it/blog/dont-open-that-xml-xxe-to-rce-in-xml-plugins-for-vsExploitThird Party Advisory
FAQ
What is CVE-2019-18213?
CVE-2019-18213 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 XXE via a crafted XML document, with ...
How severe is CVE-2019-18213?
CVE-2019-18213 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-18213?
Check the references section above for vendor advisories and patch information. Affected products include: Xml Language Server Project Xml Server Project, Eclipse Wild Web Developer, Theia Xml Extension Project Theia Xml Extension.