CRLF Injection in Nodejs ‘undici’ via host
CVE-2023-23936

6.5MEDIUM

Key Information:

Vendor

Nodejs

Status
Undici
Vendor
CVE Published:
16 February 2023

What is CVE-2023-23936?

Undici is an HTTP/1.1 client for Node.js. Starting with version 2.0.0 and prior to version 5.19.1, the undici library does not protect host HTTP header from CRLF injection vulnerabilities. This issue is patched in Undici v5.19.1. As a workaround, sanitize the headers.host string before passing to undici.

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Deploy the Patch

Affected Version(s)

undici >=2.0.0, < 5.19.1

References

https://github.com/nodejs/undici/security/advisories/GHSA...
x_refsource_CONFIRM
https://github.com/nodejs/undici/commit/a2eff05401358f659...
x_refsource_MISC
https://hackerone.com/reports/1820955
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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