Zabbix up to 6.0.38/7.0.9/7.2.3 Requests allocation of resources

Summaryinfo

A vulnerability classified as critical has been found in Zabbix up to 6.0.38/7.0.9/7.2.3. This vulnerability affects unknown code of the component Requests Handler. The manipulation leads to allocation of resources. This vulnerability is uniquely identified as CVE-2024-45700. The attack can only be initiated within the local network. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Zabbix up to 6.0.38/7.0.9/7.2.3. This issue affects some unknown processing of the component Requests Handler. The manipulation with an unknown input leads to a allocation of resources vulnerability. Using CWE to declare the problem leads to CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. Impacted is availability. The summary by CVE is:

Zabbix server is vulnerable to a DoS vulnerability due to uncontrolled resource exhaustion. An attacker can send specially crafted requests to the server, which will cause the server to allocate an excessive amount of memory and perform CPU-intensive decompression operations, ultimately leading to a service crash.

It is possible to read the advisory at support.zabbix.com. The identification of this vulnerability is CVE-2024-45700 since 09/05/2024. The exploitation is known to be easy. Access to the local network is required for this attack to succeed. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 234185 (Fedora 41 : zabbix (2025-a7a06a72c8)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 7.4.0alpha1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (234185). Statistical analysis made it clear that VulDB provides the best quality 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
• 6.0.32
• 6.0.33
• 6.0.34
• 6.0.35
• 6.0.36
• 6.0.37
• 6.0.38
• 7.0.0
• 7.0.1
• 7.0.2
• 7.0.3
• 7.0.4
• 7.0.5
• 7.0.6
• 7.0.7
• 7.0.8
• 7.0.9
• 7.2.0
• 7.2.1
• 7.2.2
• 7.2.3

License

• open-source

CPE 2.3info

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CPE 2.2info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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