CVE-2023-40216

medium

Description

OpenBSD 7.3 before errata 014 is missing an argument-count bounds check in console terminal emulation. This could cause incorrect memory access and a kernel crash after receiving crafted DCS or CSI terminal escape sequences.

References

https://github.com/openbsd/src/commit/9d3f688f46eba347e96ff0ae9506ef2061622e0c

https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/014_wscons.patch.sig

Details

Source: Mitre, NVD

Published: 2023-08-10

Updated: 2023-08-23

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H