CVEs-PoC/2018/CVE-2018-20834.md

CVE-2018-20834

Description

A vulnerability was found in node-tar before version 4.4.2 (excluding version 2.2.2). An Arbitrary File Overwrite issue exists when extracting a tarball containing a hardlink to a file that already exists on the system, in conjunction with a later plain file with the same name as the hardlink. This plain file content replaces the existing file content. A patch has been applied to node-tar v2.2.2).

POC

Reference

No PoCs from references.

Github

• https://github.com/ForEvolve/git-extensions-for-vs-code
• https://github.com/Mr-Fant/plugin
• https://github.com/hegde5/VS-Code-PyDoc-Extension
• https://github.com/ossf-cve-benchmark/CVE-2018-20834
• https://github.com/wboka/vscode-rst2html