IP address spoofing in pretix

1) Spoofing attack

EUVDB-ID: #VU83289

Risk: Medium

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

CVE-ID: CVE-2023-44463

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 trusts information passed via the X-Forwarded-For header. A remote attacker can spoof IP addresses in application's logs.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

pretix: 4.0.0 - 2023.7.0

CPE2.3

• cpe:2.3:a:pretix:pretix:4.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:pretix:pretix:4.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:pretix:pretix:4.2.0:*:*:*:*:*:*:*

External links

https://github.com/pretix/pretix/compare/v2023.7.0...v2023.7.1
https://github.com/pretix/pretix/commit/ccdce2ccb8207b82501af3c03f50abc0f819b469
https://pretix.eu/about/en/blog/20230911-release-2023-7-1/

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.