PT-2019-15279 · Lsp4Xml+1 · Xml Language Server+1

Published 2019-10-23 · Updated 2019-10-30 · CVE-2019-18212

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions XML Language Server (lsp4xml) versions prior to 0.9.1 Red Hat XML Language Support (vscode-xml) versions prior to 0.9.1

Description The issue allows a remote attacker to write to arbitrary files via Directory Traversal, potentially leading to unauthorized data modification. This is related to the XMLLanguageService.java file in the affected products.

Recommendations For XML Language Server (lsp4xml) versions prior to 0.9.1, update to version 0.9.1 or later. For Red Hat XML Language Support (vscode-xml) versions prior to 0.9.1, update to version 0.9.1 or later.

Exploit

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2019-18212

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/567 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2019-18212 · Security Note
• https://github.com/redhat-developer/vscode-xml · Patch
• https://osv.dev/vulnerability/CVE-2019-18212 · 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