#VU66814 Improper access control in Keepalived - CVE-2021-44225
Published: August 29, 2022
Vulnerability identifier: #VU66814
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-44225
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Keepalived
Keepalived
Software vendor:
Keepalived
Keepalived
Description
The vulnerability allows a local user to bypass implemented security restrictions.
The vulnerability exists due to the D-Bus policy does not sufficiently restrict the message destination. A local user can inspect and manipulate any property in the message and bypass implemented security restrictions.
Remediation
Install updates from vendor's website.
External links
- https://github.com/acassen/keepalived/commit/7977fec0be89ae6fe87405b3f8da2f0b5e415e3d
- https://github.com/acassen/keepalived/pull/2063
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5226RYNMNB7FL4MSJDIBBGPUWH6LMRYV/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6O2R6EXURJQFPFPYFWRCZLUYVWQCLSZM/