#VU101848 Insufficient session expiration in Kanboard - CVE-2024-55603

Vulnerability identifier: #VU101848

Vulnerability 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-2024-55603

CWE-ID: CWE-613

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Kanboard
Web applications / CRM systems

Vendor: Kanboard

Description

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

The vulnerability exists due to insufficient session expiration issue. A remote non-authenticated attacker can obtain or guess session token and gain unauthorized access to session that belongs to another user.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Kanboard: 1.0.0 - 1.2.42

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External links
https://github.com/kanboard/kanboard/blob/main/app/Core/Session/SessionHandler.php#L40
https://github.com/kanboard/kanboard/commit/7ce61c34d962ca8b5dce776289ddf4b207be6e78
https://github.com/kanboard/kanboard/security/advisories/GHSA-gv5c-8pxr-p484
https://www.php.net/manual/en/function.session-start.php
https://www.php.net/manual/en/session.configuration.php#ini.session.gc-divisor
https://www.php.net/manual/en/session.configuration.php#ini.session.gc-maxlifetime
https://www.php.net/manual/en/session.configuration.php#ini.session.gc-probability
https://www.php.net/manual/en/sessionhandlerinterface.gc.php

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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.