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CVE-2021-34435

Published: Sep 1, 2021Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-942
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.6%
Top 57.1%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

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..

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-942CWE-346

Affected Products

Eclipse TheiaThe Eclipse Foundation
Mixed
OSS Libraries / generic-library
@theia/mini-browsernpmOSS Libraries
theiaeclipseDevTools & CI
the eclipse foundationoss-projectOSS Librariesaka eclipse jetty, eclipse mosquitto, eclipse openj9
npmpackage-ecosystemOSS Libraries
eclipseoss-projectBEDevTools & CIaka eclipse-foundation

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

References

https://bugs.eclipse.org/bugs/show_bug.cgi?id=568018
bugs.eclipse.org
https://nvd.nist.gov/vuln/detail/CVE-2021-34435
nvd.nist.gov
https://github.com/eclipse-theia/theia/pull/8759
github.com
and 2 more references View all →

Timeline

Published
Sep 1, 2021
Last Updated
Nov 21, 2024

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