CVE-2019-18213
Severity CVSS v4.0:
Pending analysis
Type:
CWE-611
Improper Restriction of XML External Entity Reference ('XXE')
Publication date:
23/10/2019
Last modified:
21/07/2021
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.
Impact
Base Score 3.x
8.80
Severity 3.x
HIGH
Base Score 2.0
6.50
Severity 2.0
MEDIUM
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:xml_language_server_project:xml_server_project:*:*:*:*:*:*:*:* | 0.9.1 (excluding) | |
| cpe:2.3:a:eclipse:wild_web_developer:-:*:*:*:*:*:*:* | ||
| cpe:2.3:a:theia_xml_extension_project:theia_xml_extension:-:*:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- https://github.com/angelozerr/lsp4xml/
- https://github.com/angelozerr/lsp4xml/blob/master/CHANGELOG.md#others
- https://github.com/angelozerr/lsp4xml/pull/566
- https://github.com/redhat-developer/vscode-xml/
- https://marketplace.visualstudio.com/items?itemName=redhat.vscode-xml
- https://www.shielder.it/blog/dont-open-that-xml-xxe-to-rce-in-xml-plugins-for-vs-code-eclipse-theia/



