Security features bypass in File Access Policy Daemon - CVE-2022-1117

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Main Vulnerability Database Vulnerabilities #VU63890

Security features bypass in File Access Policy Daemon - CVE-2022-1117

Published: June 1, 2022


Vulnerability identifier: #VU63890
CSH Severity: Low
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-1117
CWE-ID: CWE-254
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to bypass implemented security restrictions.

The vulnerability exists due to fapolicyd incorrectly detects the run time linker. A local user can bypass implemented security restrictions and execute arbitrary code via the dynamic linker.


Affected software

File Access Policy Daemon
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Anolis OS
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Fedora
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
fapolicyd (Red Hat package)
fapolicyd
fapolicyd-selinux

How to mitigate CVE-2022-1117

Install updates from vendor's website.

File Access Policy Daemon - update to 1.1.2
fapolicyd (Red Hat package) - addressed in versions 1.0.2-6.el8_4.1, 1.1-6.el8
fapolicyd - addressed in versions 1.1.2-1.fc35, 1.1.2-1.fc36, 1.1.2-1.fc37
fapolicyd - update to 1.1-6
fapolicyd-selinux - update to 1.1-6

External References

Related Security Bulletins