Multiple vulnerabilities in Undici

Published: 2022-09-11

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-35949 CVE-2022-35948
CWE-ID	CWE-918 CWE-93
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	undici Server applications / File servers (FTP/HTTP)
Vendor	Node.js

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Server-Side Request Forgery (SSRF)

EUVDB-ID: #VU67166

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-35949

CWE-ID: CWE-918 - Server-Side Request Forgery (SSRF)

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

undici: 1.0.0 - 5.8.1

CPE2.3

External links

https://github.com/nodejs/undici/security/advisories/GHSA-8qr4-xgw6-wmr3
https://github.com/nodejs/undici/releases/tag/v5.8.2
https://github.com/nodejs/undici/commit/124f7ebf705366b2e1844dff721928d270f87895

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) CRLF injection

EUVDB-ID: #VU67164