Information disclosure in Undici

1) Information disclosure

EUVDB-ID: #VU82066

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:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-45143

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to software send Cookies in HTTP headers during cross-origin redirects. A remote attacker can gain unauthorized access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

undici: 5.0.0 - 5.26.1

CPE2.3

• cpe:2.3:a:nodejs:undici:5.0.0:*:*:*:*:nodejs:*:*
• cpe:2.3:a:nodejs:undici:5.1.0:*:*:*:*:nodejs:*:*
• cpe:2.3:a:nodejs:undici:5.1.1:*:*:*:*:nodejs:*:*

External links

https://github.com/nodejs/undici/security/advisories/GHSA-q768-x9m6-m9qp
https://hackerone.com/reports/2166948
https://github.com/nodejs/undici/security/advisories/GHSA-wqq4-5wpv-mx2g
https://github.com/nodejs/undici/commit/e041de359221ebeae04c469e8aff4145764e6d76
https://github.com/nodejs/undici/releases/tag/v5.26.2

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.