CVE-2019-18213 XML external entity in n/a

High 8.8 Published Updated

An attacker can exploit an XML External Entity vulnerability in the XML Language Server to perform Server-Side Request Forgery and capture credentials.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-18213?

CVE-2019-18213 is a high-severity vulnerability in n/a, published on 23 Oct 2019. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-611

Which versions are affected by CVE-2019-18213?

It affects 3 products.

Products include Eclipse Wild Web Developer, Theia Xml Extension Project Theia Xml Extension, Xml Language Server Project Xml Server Project.

How do I fix CVE-2019-18213?

No fix has been published for CVE-2019-18213 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-18213 being exploited?

There is no known exploitation of CVE-2019-18213 in the wild and no public exploit code.

Sources

Also known as GHSA-8whm-fx4q-45xx.

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