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CVE-2024-29021

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Date: April 18, 2024

Judge0 is an open-source online code execution system. The default configuration of Judge0 leaves the service vulnerable to a sandbox escape via Server Side Request Forgery (SSRF). This allows an attacker with sufficient access to the Judge0 API to obtain unsandboxed code execution as root on the target machine. This vulnerability is fixed in 1.13.1.

Language: Ruby

Severity Score

Related Resources (4)

https://github.com/judge0/judge0/blob/ad66f77b131dbbebf2b9ff8083dca9a68680b3e5/app/jobs/isolate_job.rb#L203-L230
https://nvd.nist.gov/vuln/detail/CVE-2024-29021
https://github.com/judge0/judge0/security/advisories/GHSA-q7vg-26pg-v5hr
https://www.mend.io/vulnerability-database/CVE-2024-29021

Severity Score

Weakness Type (CWE)

Server-Side Request Forgery (SSRF)

CWE-918

Use of Default Password

CWE-1393

Top Fix

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Upgrade Version

Upgrade to version v1.13.1

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CVSS v3.1

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

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