CVE-2024-43688

Aug. 26, 2024, 2:35 p.m.

7.3
High

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.

Product(s) Impacted

Product Versions
OpenBSD
  • 7.4
  • 7.5

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.

References

https://github.com/vixie/cron/commit/9cc8ab1087bb9ab861dd5595c41200683c9f6712
https://www.supernetworks.org/CVE-2024-43688/openbsd-cron-heap-underflow.txt
https://www.supernetworks.org/advisories/CVE-2024-43688-openbsd-cron-heap-underflow.txt

Tags

cve@mitre.org
CWE-787
2024-08-20
CVE-2024-43688

CVSS Score

7.3 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: LOW
  • Integrity Impact: LOW
  • Availability Impact: LOW

    • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

    View Vector String

Timeline

Published: Aug. 20, 2024, 6:15 a.m.
Last Modified: Aug. 26, 2024, 2:35 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

cve@mitre.org

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.