Remote Code Execution Vulnerability in Eclipse Theia IDE
CVE-2021-34435

8.8HIGH

Key Information:

Vendor

The Eclipse Foundation

Status
Eclipse Theia
Vendor
CVE Published:
1 September 2021

What is CVE-2021-34435?

In Eclipse Theia versions from 0.3.9 to 1.8.1, the mini-browser extension allows users to preview HTML files inside the IDE. Due to a flaw in its design, a specially crafted HTML file can trigger remote code execution when previewed. This vulnerability requires interaction from users, as it manifests only upon previewing a malicious file, potentially compromising the integrity of the development environment.

Affected Version(s)

Eclipse Theia 0.3.9

Eclipse Theia <= 1.8.1

References

https://bugs.eclipse.org/bugs/show_bug.cgi?id=568018
x_refsource_CONFIRM

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.