CVE-2024-21896: Path Traversal
First published: Tue Feb 20 2024(Updated: )
Node.js could allow a remote attacker to traverse directories on the system. By monkey-patching Buffer internals, namely, Buffer.prototype.utf8Write, an attacker could send a specially crafted URL request containing "dot dot" sequences (/../) to read arbitrary files on the system.
Credit: support@hackerone.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/nodejs | <20.11.1 | 20.11.1 |
| IBM Cognos Analytics | <=12.0.0-12.0.3 | |
| IBM Cognos Analytics | <=11.2.0-11.2.4 FP3 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2265718
- https://access.redhat.com/errata/RHSA-2024:1688
- https://access.redhat.com/errata/RHSA-2024:1687
- https://bugzilla.redhat.com/show_bug.cgi?id=2265717
- https://hackerone.com/reports/2218653
- https://security.netapp.com/advisory/ntap-20240329-0002/
- http://www.openwall.com/lists/oss-security/2024/03/11/1
- https://www.ibm.com/support/pages/node/7173592 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-21896?
CVE-2024-21896 has a high severity as it allows remote directory traversal, potentially exposing sensitive files.
Who is affected by CVE-2024-21896?
CVE-2024-21896 affects Node.js installations and IBM Cognos Analytics versions up to 12.0.3 and 11.2.4 FP3.
How do I fix CVE-2024-21896?
To fix CVE-2024-21896, update Node.js to version 20.11.1 and apply the relevant patches for affected Cognos Analytics versions.
What vulnerability does CVE-2024-21896 exploit?
CVE-2024-21896 exploits directory traversal vulnerabilities through manipulated Buffer internals in Node.js.
What can an attacker do with CVE-2024-21896?
An attacker can use CVE-2024-21896 to send crafted URL requests that read arbitrary files from the system.
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