Information disclosure in Red Hat OpenStack

1) Incorrect default permissions

EUVDB-ID: #VU68862

Risk: Low

CVSSv4.0: 1.1 [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: CVE-2022-3101

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenStack: 16.1 - 16.2

Red Hat OpenStack for IBM Power: 16.1

tripleo-ansible (Red Hat package): before 0.5.1-1.20220114163454.el8ost

openstack-tripleo-heat-templates (Red Hat package): before 11.3.2-1.20220114223346.el8ost

openstack-tripleo-common (Red Hat package): before 11.4.1-1.20211201113404.el8ost

CPE2.3

• cpe:2.3:a:red_hat:red_hat_openstack:16.1:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:red_hat_openstack:16.2:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:red_hat_openstack_for_ibm_power:16.1:*:*:*:*:*:*:*
• cpe:2.3:o:red_hat:tripleo-ansible_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:openstack-tripleo-heat-templates_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:openstack-tripleo-common_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*

External links

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

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Incorrect default permissions

EUVDB-ID: #VU68863

Risk: Low

CVSSv4.0: 1.1 [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: CVE-2022-3146

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

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

The vulnerability exists due to the "/etc/openstack/clouds.yaml" file has 644 permissions set. A local user can view the file and gain access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenStack: 16.1 - 16.2

Red Hat OpenStack for IBM Power: 16.1

tripleo-ansible (Red Hat package): before 0.5.1-1.20220114163454.el8ost

openstack-tripleo-heat-templates (Red Hat package): before 11.3.2-1.20220114223346.el8ost

openstack-tripleo-common (Red Hat package): before 11.4.1-1.20211201113404.el8ost

CPE2.3

• cpe:2.3:a:red_hat:red_hat_openstack:16.1:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:red_hat_openstack:16.2:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:red_hat_openstack_for_ibm_power:16.1:*:*:*:*:*:*:*
• cpe:2.3:o:red_hat:tripleo-ansible_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:openstack-tripleo-heat-templates_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:openstack-tripleo-common_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*

External links

https://access.redhat.com/errata/RHSA-2022:6969
https://bugzilla.redhat.com/show_bug.cgi?id=2124721
https://bugzilla.redhat.com/show_bug.cgi?id=2124732
https://bugzilla.redhat.com/show_bug.cgi?id=2123767

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.