CVE-2019-18213

Public Exploit

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.62%
Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory visualstudio.com Third-Party Advisory shielder.it
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/angelozerr/lsp4xml/ product
https://github.com/redhat-developer/vscode-xml/ third party advisory patch
https://marketplace.visualstudio.com/items?itemName=redhat.vscode-xml third party advisory
https://github.com/angelozerr/lsp4xml/pull/566 third party advisory patch
https://github.com/angelozerr/lsp4xml/blob/master/CHANGELOG.md#others third party advisory release notes
https://www.shielder.it/blog/dont-open-that-xml-xxe-to-rce-in-xml-plugins-for-vs-code-eclipse-theia/ third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2019-18213?
CVE-2019-18213 has been scored as a high severity vulnerability.
How to fix CVE-2019-18213?
To fix CVE-2019-18213, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-18213 being actively exploited in the wild?
It is possible that CVE-2019-18213 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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