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CVE-2024-28189

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Date: April 18, 2024

Judge0 is an open-source online code execution system. The application uses the UNIX chown command on an untrusted file within the sandbox. An attacker can abuse this by creating a symbolic link (symlink) to a file outside the sandbox, allowing the attacker to run chown on arbitrary files outside of the sandbox. This vulnerability is not impactful on it's own, but it can be used to bypass the patch for CVE-2024-28185 and obtain a complete sandbox escape. This vulnerability is fixed in 1.13.1.

Language: Ruby

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2024-28189
https://github.com/judge0/judge0/blob/v1.13.0/app/jobs/isolate_job.rb#L232
https://github.com/judge0/judge0/security/advisories/GHSA-h9g2-45c8-89cf
https://github.com/judge0/judge0/commit/f3b8547b3b67863e4ea0ded3adcb963add56addd
https://github.com/judge0/judge0/security/advisories/GHSA-3xpw-36v7-2cmg
https://www.mend.io/vulnerability-database/CVE-2024-28189

Severity Score

Weakness Type (CWE)

Link Following

CWE-59

UNIX Symbolic Link (Symlink) Following

CWE-61

Top Fix

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CVSS v3.1

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

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