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CVE-2023-30534

4.3 · MEDIUM

Cacti is an open source operational monitoring and fault management framework.

Published Sep 5, 2023CWE-502EPSS 2.87%

Overview

CVE-2023-30534 is a medium-severity vulnerability. It was published on September 5, 2023 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Cacti is an open source operational monitoring and fault management framework. There are two instances of insecure deserialization in Cacti version 1.2.24. While a viable gadget chain exists in Cacti’s vendor directory (phpseclib), the necessary gadgets are not included, making them inaccessible and the insecure deserializations not exploitable. Each instance of insecure deserialization is due to using the unserialize function without sanitizing the user input. Cacti has a “safe” deserialization that attempts to sanitize the content and check for specific values before calling unserialize, but it isn’t used in these instances. The vulnerable code lies in graphs_new.php, specifically within the host_new_graphs_save function. This issue has been addressed in version 1.2.25. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/Cacti/cacti/security/advisories/GHSA-77rf-774j-6h3pReflists.fedoraproject.org/archives/list/[email protected]/message/CFH3J2WVBKY4ZJNMARVOWJQK6PSLPHFH/Reflists.fedoraproject.org/archives/list/[email protected]/message/WOQFYGLZBAWT4AWNMO7DU73QXWPXTCKH/Reflists.fedoraproject.org/archives/list/[email protected]/message/WZGB2UXJEUYWWA6IWVFQ3ZTP22FIHMGN/Refwww.fastly.com/blog/cve-2023-30534-insecure-deserialization-in-cacti-prior-to-1-2-25GitHubgithub.com/Cacti/cacti/security/advisories/GHSA-77rf-774j-6h3pReflists.fedoraproject.org/archives/list/[email protected]/message/CFH3J2WVBKY4ZJNMARVOWJQK6PSLPHFH/Reflists.fedoraproject.org/archives/list/[email protected]/message/WOQFYGLZBAWT4AWNMO7DU73QXWPXTCKH/Reflists.fedoraproject.org/archives/list/[email protected]/message/WZGB2UXJEUYWWA6IWVFQ3ZTP22FIHMGN/Refwww.fastly.com/blog/cve-2023-30534-insecure-deserialization-in-cacti-prior-to-1-2-25

How CyberStrike helps

Frequently asked questions

What is CVE-2023-30534?

CVE-2023-30534 is a medium-severity vulnerability. It was published on September 5, 2023 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2023-30534?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-30534?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-30534?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-30534 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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