Red Hat update for openstack-tripleo-common

1) Improper access control

EUVDB-ID: #VU18664

Risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/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-2019-3895

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to sensitive information.

The vulnerability exists due to improper access restrictions within "_extract_amp_image_id_by_tag" in "octavia/compute/drivers/nova_driver.py" that does not filter images and used images owned by pre-defined tenant. A remote non-privileged user can tag an image with the 'amphora' tag and set it to "public=true" to gain unauthorized access to lb-mgmt network.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat OpenStack for IBM Power: 13.0

Red Hat OpenStack: 13.0

CPE2.3

• cpe:2.3:a:red_hat:red_hat_openstack_for_ibm_power:13.0:*:*:*:*:*:*:*
• cpe:2.3:a:red_hat:red_hat_openstack:13.0:*:*:*:*:*:*:*

External links

https://access.redhat.com/errata/RHSA-2019:1742

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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