Insufficient session expiration in pretix

1) Insufficient Session Expiration

EUVDB-ID: #VU83288

Risk: Medium

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

CVE-ID: CVE-2023-27891

CWE-ID: CWE-613 - Insufficient Session Expiration

Exploit availability: No

Description

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

The vulnerability exists due to insufficient session expiration issue. A remote attacker can use the OAuth application authorization to login from a logged-out session.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

pretix: 1.6.0 - 4.17.0

CPE2.3

• cpe:2.3:a:pretix:pretix:1.6.0:*:*:*:*:*:*:*
• cpe:2.3:a:pretix:pretix:1.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:pretix:pretix:1.6.2:*:*:*:*:*:*:*

External links

https://pretix.eu/about/en/blog/20230306-release-4171/

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.