HIGH8.8

GHSA-v9w2-v7j9-rjpr

Remote code execution in Eclipse Theia

Quick fix

GHSA-v9w2-v7j9-rjpr — @theia/mini-browser: upgrade to the fixed version with the command below.

npm install @theia/mini-browser@1.9.0

Details

In Eclipse Theia 0.3.9 to 1.8.1, the "mini-browser" extension allows a user to preview HTML files in an iframe inside the IDE. But with the way it is made it is possible for a previewed HTML file to trigger an RCE. This exploit only happens if a user previews a malicious file.

Are you affected?

Enter the version of the package you're using.

Affected packages

npm/@theia/mini-browser

Introduced in: 0.3.9Fixed in: 1.9.0

Fixnpm install @theia/mini-browser@1.9.0

References

https://nvd.nist.gov/vuln/detail/CVE-2021-34435[ADVISORY]
https://github.com/eclipse-theia/theia/pull/8759[WEB]
https://github.com/eclipse-theia/theia/commit/0761dcf5fe3c14c27432683d42d2c526ad0cfbd5[WEB]
https://bugs.eclipse.org/bugs/show_bug.cgi?id=568018[WEB]
https://github.com/eclipse-theia/theia[PACKAGE]