Incorrect default permissions in openstack-tripleo-common (Red Hat package) - CVE-2022-3101

Vulnerability identifier: #VU68862

CSH Severity: Low

CVSS v4: 4.8 [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]

CVE-ID: CVE-2022-3101

CWE-ID: CWE-276

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to file permissions are too liberal on a director deployment in tripleo-ansible. A local user can brute-force names of files inside the /var/lib/mistral/overcloud folder.

openstack-tripleo-common (Red Hat package)
tripleo-ansible (Red Hat package)
openstack-tripleo-heat-templates (Red Hat package)
Red Hat OpenStack
Red Hat OpenStack for IBM Power

Install updates from vendor's website.

openstack-tripleo-common (Red Hat package) - addressed in versions 11.7.1-2.20220318011206.el8ost, 11.4.1-1.20211201113404.el8ost
tripleo-ansible (Red Hat package) - addressed in versions 0.5.1-1.20220114163454.el8ost, 0.8.1-2.20220406160116.el8ost
openstack-tripleo-heat-templates (Red Hat package) - addressed in versions 11.3.2-1.20220114223346.el8ost, 11.6.1-2.20220409014870.el8ost

• https://access.redhat.com/errata/RHSA-2022:6969
• https://bugzilla.redhat.com/show_bug.cgi?id=2120660
• https://bugzilla.redhat.com/show_bug.cgi?id=2123870

• Information disclosure in Red Hat OpenStack