Authentication bypass in Zabbix with enabled SSO



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2024-36466
CWE-ID CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Zabbix
Server applications / Remote management servers, RDP, SSH

Vendor Zabbix

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Improper authentication

EUVDB-ID: #VU101269

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-36466

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error while processing authentication cookies when SSO is enabled. A remote non-authenticated attacker can forge a zbx_session cookie and gain administrative privileges within the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Zabbix: 6.0.0 rc1 - 7.0.0

CPE2.3 External links

http://support.zabbix.com/browse/ZBX-25635


Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



###SIDEBAR###