Permissions, Privileges, and Access Controls in NetBSD - #VU67908
Published: October 4, 2022
Vulnerability identifier: #VU67908
CSH Severity: Low
CVSS v4.0: 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
Vendor: NetBSD Foundation, Inc
Affected software:
NetBSD
NetBSD
Detailed vulnerability 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.