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CVE-2024-43688

7.3 · HIGH

cron/entry.c in vixie cron before 9cc8ab1, as used in OpenBSD 7.4 and 7.5, allows a heap-based buffer underflow and memory corruption.

Published Aug 20, 2024CWE-787EPSS 0.52%

Overview

CVE-2024-43688 is a high-severity vulnerability. It was published on August 20, 2024 and has a CVSS 3.1 base score of 7.3 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

cron/entry.c in vixie cron before 9cc8ab1, as used in OpenBSD 7.4 and 7.5, allows a heap-based buffer underflow and memory corruption. NOTE: this issue was introduced during a May 2023 refactoring.

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/vixie/cron/commit/9cc8ab1087bb9ab861dd5595c41200683c9f6712Refwww.supernetworks.org/CVE-2024-43688/openbsd-cron-heap-underflow.txtRefwww.supernetworks.org/advisories/CVE-2024-43688-openbsd-cron-heap-underflow.txt

How CyberStrike helps

Frequently asked questions

What is CVE-2024-43688?

CVE-2024-43688 is a high-severity vulnerability. It was published on August 20, 2024 and has a CVSS 3.1 base score of 7.3 (HIGH).

How severe is CVE-2024-43688?

This vulnerability has a CVSS 3.1 base score of 7.3, 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-2024-43688?

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-2024-43688?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-43688 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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