PT-2019-15280 · Red Hat · Xml Language Server+1

Published 2019-10-23 · Updated 2021-07-21 · CVE-2019-18213

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions XML Language Server versions prior to 0.9.1 Red Hat XML Language Support versions prior to 0.9.1

Description The issue allows for XXE (XML External Entity) attacks via a crafted XML document. This can result in SSRF (Server-Side Request Forgery) and the initiation of SMB connections, potentially leading to the capture of NetNTLM challenge/response for password cracking.

Recommendations For XML Language Server versions prior to 0.9.1, update to version 0.9.1 or later. For Red Hat XML Language Support versions prior to 0.9.1, update to version 0.9.1 or later.

Exploit

Fix

XXE

Weakness Enumeration

CWE-611

Related Identifiers

CVE-2019-18213

Affected Products

Red Hat Xml Language Support

Xml Language Server

References · 8

• 🔥 https://shielder.it/blog/dont-open-that-xml-xxe-to-rce-in-xml-plugins-for-vs-code-eclipse-theia · Exploit
• https://github.com/angelozerr/lsp4xml/pull/566 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2019-18213 · Security Note
• https://github.com/redhat-developer/vscode-xml · Patch
• https://osv.dev/vulnerability/CVE-2019-18213 · Vendor Advisory
• https://github.com/angelozerr/lsp4xml/blob/master/CHANGELOG.md#others · Note
• https://marketplace.visualstudio.com/items?itemName=redhat.vscode-xml · Note
• https://github.com/angelozerr/lsp4xml · Note