Multiple vulnerabilities in Undici for Node.js
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2023-24807 CVE-2023-23936 |
| CWE-ID | CWE-185 CWE-113 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
undici Server applications / File servers (FTP/HTTP) |
| Vendor | Node.js |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Incorrect Regular Expression
EUVDB-ID: #VU72404
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-24807
CWE-ID:
CWE-185 - Incorrect Regular Expression
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient input validation when user-supplied input within the `Headers.set()` and `Headers.append()` methods. A remote attacker can pass specially crafted data to the application and perform regular expression denial of service (ReDos) attack.
Install update from vendor's website.
Vulnerable software versionsundici: 1.0.0 - 5.19.0
External linkshttp://github.com/nodejs/undici/releases/tag/v5.19.1
http://github.com/nodejs/undici/security/advisories/GHSA-r6ch-mqf9-qc9w
http://hackerone.com/bugs?report_id=1784449
http://github.com/nodejs/undici/commit/f2324e549943f0b0937b09fb1c0c16cc7c93abdf
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) HTTP response splitting
EUVDB-ID: #VU72403
Risk: Medium
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-23936
CWE-ID:
CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform HTTP splitting attacks.
The vulnerability exists due to software does not correctly process CRLF character sequences when handling HTTP "Host" header. A remote attacker can send specially crafted request containing CRLF sequence and make the application to send a split HTTP response.
Successful exploitation of the vulnerability may allow an attacker perform cache poisoning attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsundici: 1.0.0 - 5.19.0
External linkshttp://github.com/nodejs/undici/releases/tag/v5.19.1
http://github.com/nodejs/undici/commit/a2eff05401358f6595138df963837c24348f2034
http://github.com/nodejs/undici/security/advisories/GHSA-5r9g-qh6m-jxff
http://hackerone.com/reports/1820955
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
