Permissions, Privileges, and Access Controls in NetBSD - #VU67908

 

Permissions, Privileges, and Access Controls in NetBSD - #VU67908

Published: October 4, 2022


Vulnerability identifier: #VU67908
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
NetBSD
Software vendor:
NetBSD Foundation, Inc

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to missing permission checks, which allows to reuse open descriptors, exposed in the procfs(5) [pid]/fd/ directory. A local user can bypass permission checks and read data from opened descriptor.


Remediation

Install updates from vendor's website.

External links