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CVE-2023-28427

8.2 · HIGH

matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript.

Published Mar 28, 2023CWE-1321EPSS 1.19%

Overview

CVE-2023-28427 is a high-severity vulnerability. It was published on March 28, 2023 and has a CVSS 3.1 base score of 8.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

matrix-js-sdk is a Matrix messaging protocol Client-Server SDK for JavaScript. In versions prior to 24.0.0 events sent with special strings in key places can temporarily disrupt or impede the matrix-js-sdk from functioning properly, potentially impacting the consumer's ability to process data safely. Note that the matrix-js-sdk can appear to be operating normally but be excluding or corrupting runtime data presented to the consumer. This vulnerability is distinct from GHSA-rfv9-x7hh-xc32 which covers a similar issue. The issue has been patched in matrix-js-sdk 24.0.0 and 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/matrix-org/matrix-js-sdk/security/advisories/GHSA-mwq8-fjpf-c2grReflists.debian.org/debian-lts-announce/2023/04/msg00027.htmlRefmatrix.org/blog/2023/03/28/security-releases-matrix-js-sdk-24-0-0-and-matrix-react-sdk-3-69-0Refsecurity.gentoo.org/glsa/202305-36Refwww.debian.org/security/2023/dsa-5392GitHubgithub.com/matrix-org/matrix-js-sdk/security/advisories/GHSA-mwq8-fjpf-c2grReflists.debian.org/debian-lts-announce/2023/04/msg00027.htmlRefmatrix.org/blog/2023/03/28/security-releases-matrix-js-sdk-24-0-0-and-matrix-react-sdk-3-69-0Refsecurity.gentoo.org/glsa/202305-36Refwww.debian.org/security/2023/dsa-5392

How CyberStrike helps

Frequently asked questions

What is CVE-2023-28427?

CVE-2023-28427 is a high-severity vulnerability. It was published on March 28, 2023 and has a CVSS 3.1 base score of 8.2 (HIGH).

How severe is CVE-2023-28427?

This vulnerability has a CVSS 3.1 base score of 8.2, 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-2023-28427?

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-2023-28427?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-28427 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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