Vulnerability Report

CVE-2023-23936

Title: Undici CRLF injection via host header

CRLF Injection

Proof Of Concept

No public PoC currently indexed for CVE-2023-23936.

CWE Category CWE-74
Published Date Feb 16, 2023
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 6.5 CVSS v3.1
Exploit Probability (EPSS)
0.34%

Vulnerability Summary

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.

Impacted Vendors

N
nodejs 2
J
joyent 1

Reference Links

https://github.com/nodejs/undici/commit/a2eff05401358f6595138df963837c24348f2034 https://github.com/nodejs/undici/releases/tag/v5.19.1 https://github.com/nodejs/undici/security/advisories/GHSA-5r9g-qh6m-jxff https://hackerone.com/reports/1820955 https://github.com/nodejs/undici/commit/a2eff05401358f6595138df963837c24348f2034 https://github.com/nodejs/undici/releases/tag/v5.19.1 https://github.com/nodejs/undici/security/advisories/GHSA-5r9g-qh6m-jxff https://hackerone.com/reports/1820955
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
6.5
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.4
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2023-23936 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected Stack

No specific products linked.