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CVE-2024-43688

Date: August 19, 2024

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.

Language: C

Severity Score

Related Resources (5)

https://github.com/vixie/cron/commit/9cc8ab1087bb9ab861dd5595c41200683c9f6712
https://www.supernetworks.org/CVE-2024-43688/openbsd-cron-heap-underflow.txt
https://nvd.nist.gov/vuln/detail/CVE-2024-43688
https://www.supernetworks.org/advisories/CVE-2024-43688-openbsd-cron-heap-underflow.txt
https://www.mend.io/vulnerability-database/CVE-2024-43688

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

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