IP spoofing in Parse Server

1) Spoofing attack

EUVDB-ID: #VU71664

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-22474

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to application relies on information passed via the X-Forwarded-For HTTP header to determine the client's IP address. A remote attacker can spoof the IP address and bypass security mechanism of the Parse Server option masterKeyIps by setting an allowed IP address as the x-forwarded-for header value.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Parse Server: 5.0.0 - 5.4.0

External links

http://github.com/parse-community/parse-server/security/advisories/GHSA-vm5r-c87r-pf6x
http://github.com/parse-community/parse-server/releases/tag/5.4.1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.