Zabbix up to 6.0.31/6.4.16/7.0.0 Cookie zbx_session authentication spoofing

Summaryinfo

A vulnerability described as critical has been identified in Zabbix up to 6.0.31/6.4.16/7.0.0. Affected is an unknown function of the component Cookie Handler. Such manipulation of the argument zbx_session leads to authentication spoofing. This vulnerability is referenced as CVE-2024-36466. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Zabbix up to 6.0.31/6.4.16/7.0.0 and classified as critical. Affected by this issue is an unknown code block of the component Cookie Handler. The manipulation of the argument zbx_session with an unknown input leads to a authentication spoofing vulnerability. Using CWE to declare the problem leads to CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A bug in the code allows an attacker to sign a forged zbx_session cookie, which then allows them to sign in with admin permissions.

The weakness was published by Márk Rákóczi. The advisory is shared for download at support.zabbix.com. This vulnerability is handled as CVE-2024-36466 since 05/28/2024. The exploitation is known to be easy. The attack may be launched remotely. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 213277 (Zabbix 6.0.x < 6.0.32rc1, 6.4.x < 6.4.17rc1, 7.0.x < 7.0.1rc1 Authentication Bypass (ZBX-25635)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (213277). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Network Management Software

Name

• Zabbix

Version

• 6.0.0
• 6.0.1
• 6.0.2
• 6.0.3
• 6.0.4
• 6.0.5
• 6.0.6
• 6.0.7
• 6.0.8
• 6.0.9
• 6.0.10
• 6.0.11
• 6.0.12
• 6.0.13
• 6.0.14
• 6.0.15
• 6.0.16
• 6.0.17
• 6.0.18
• 6.0.19
• 6.0.20
• 6.0.21
• 6.0.22
• 6.0.23
• 6.0.24
• 6.0.25
• 6.0.26
• 6.0.27
• 6.0.28
• 6.0.29
• 6.0.30
• 6.0.31
• 6.4.0
• 6.4.1
• 6.4.2
• 6.4.3
• 6.4.4
• 6.4.5
• 6.4.6
• 6.4.7
• 6.4.8
• 6.4.9
• 6.4.10
• 6.4.11
• 6.4.12
• 6.4.13
• 6.4.14
• 6.4.15
• 6.4.16
• 7.0

License

• open-source

CPE 2.3info

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CPE 2.2info

• 🔍
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Once again VulDB remains the best source for vulnerability data.

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