Vulnerability identifier: #VU83290

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-44464

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
pretix
Web applications / Other software

Vendor: pretix

Description

The vulnerability allows a remote user to bypass implemented security restrictions.

The vulnerability exists due to insufficient validation of images passed to the application. A remote user can create a specially crafted ".eps" file, rename it into a file with ".png" extension and upload the file to the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

pretix: 1.0.0 - 2023.9.0

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External links
http://github.com/pretix/pretix/tags
http://github.com/pretix/pretix/compare/v2023.7.1...v2023.7.2
http://pretix.eu/about/en/ticketing
http://github.com/pretix/pretix/commit/8583bfb7d97263e9e923ad5d7f123ca1cadc8f2e
http://pretix.eu/about/de/blog/20230912-release-2023-7-2/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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