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CVE-2020-27224

Good to know:

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Date: February 24, 2021

In Eclipse Theia versions up to and including 1.2.0, the Markdown Preview (@theia/preview), can be exploited to execute arbitrary code.

Language: JS

Severity Score

Related Resources (6)

https://omespino.com/write-up-google-bug-bounty-xss-to-cloud-shell-instance-takeover-rce-as-root-5000-usd
https://omespino.com/write-up-google-bug-bounty-xss-to-cloud-shell-instance-takeover-rce-as-root-5000-usd/
https://github.com/eclipse-theia/theia/issues/7954
https://nvd.nist.gov/vuln/detail/CVE-2020-27224
https://github.com/eclipse-theia/theia/pull/7971
https://www.mend.io/vulnerability-database/CVE-2020-27224

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

Top Fix

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Upgrade Version

Upgrade to version @theia/core - 0.1.0;@theia/core - 1.3.0;@theia/core - 1.3.0;biustudio/theia - eclipse_initial

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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