Bug 2265720 (CVE-2024-21891)

Summary: CVE-2024-21891 nodejs: multiple permission model bypasses due to improper path traversal sequence sanitization
Product: [Other] Security Response Reporter: Robb Gatica <rgatica>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedKeywords: Security
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Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: nodejs 20.11.1 Doc Type: ---
Doc Text:
A flaw was found in Node.js. Node.js depends on multiple built-in utility functions to normalize paths provided to node:fs functions, which can be overwritten with user-defined implementations, leading to a filesystem permission model bypass through a path traversal attack.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2265721    
Bug Blocks: 2264565    

Description Robb Gatica 2024-02-23 19:28:42 UTC 
Node.js depends on multiple built-in utility functions to normalize paths provided to node:fs functions, which can be overwitten with user-defined implementations leading to filesystem permission model bypass through path traversal attack.

Impacts:
This vulnerability affects all users using the experimental permission model in active release lines: 20.x and 21.x.

Please note that at the time this CVE was issued, the permission model is an experimental feature of Node.js.
Comment 1 Robb Gatica 2024-02-23 19:29:16 UTC 
Created nodejs20 tracking bugs for this issue:

Affects: fedora-all [bug 2265721]
Comment 3 errata-xmlrpc 2024-04-08 08:49:59 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2024:1688 https://access.redhat.com/errata/RHSA-2024:1688
Comment 4 errata-xmlrpc 2024-04-08 09:04:53 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2024:1687 https://access.redhat.com/errata/RHSA-2024:1687