Memory Access Vulnerability in OpenBSD Console Terminal Emulation
CVE-2023-40216
5.5MEDIUM
Summary
OpenBSD 7.3 prior to errata 014 features a flaw in its console terminal emulation that lacks proper argument-count bounds checking. This oversight allows for incorrect memory access when the system processes specially crafted DCS or CSI terminal escape sequences. Such a vulnerability can result in unexpected kernel behavior, potentially leading to system crashes and disruptions.
References
CVSS V3.1
Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged
Timeline
Vulnerability published
Vulnerability Reserved