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CVE-2023-29530

7.5 · HIGH

Laminas Diactoros provides PSR HTTP Message implementations.

Published Apr 24, 2023CWE-20EPSS 0.97%

Overview

CVE-2023-29530 is a high-severity vulnerability. It was published on April 24, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Laminas Diactoros provides PSR HTTP Message implementations. In versions 2.18.0 and prior, 2.19.0, 2.20.0, 2.21.0, 2.22.0, 2.23.0, 2.24.0, and 2.25.0, users who create HTTP requests or responses using laminas/laminas-diactoros, when providing a newline at the start or end of a header key or value, can cause an invalid message. This can lead to denial of service vectors or application errors. The problem has been patched in following versions 2.18.1, 2.19.1, 2.20.1, 2.21.1, 2.22.1, 2.23.1, 2.24.1, and 2.25.1. As a workaround, validate HTTP header keys and/or values, and if using user-supplied values, filter them to strip off leading or trailing newline characters before calling `withHeader()`.

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/advisories/GHSA-wxmh-65f7-jcvwGitHubgithub.com/laminas/laminas-diactoros/security/advisories/GHSA-xv3h-4844-9h36Reflists.fedoraproject.org/archives/list/[email protected]/message/BPW54QK7ISDALPLP2CKODU4ZIVRYS336/GitHubgithub.com/advisories/GHSA-wxmh-65f7-jcvwGitHubgithub.com/laminas/laminas-diactoros/security/advisories/GHSA-xv3h-4844-9h36Reflists.fedoraproject.org/archives/list/[email protected]/message/BPW54QK7ISDALPLP2CKODU4ZIVRYS336/

How CyberStrike helps

Frequently asked questions

What is CVE-2023-29530?

CVE-2023-29530 is a high-severity vulnerability. It was published on April 24, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-29530?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-29530?

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-2023-29530?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-29530 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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