#VU18664 Improper access control in Octavia - CVE-2019-3895
Published: June 3, 2019 / Updated: June 3, 2019
Vulnerability identifier: #VU18664
Vulnerability risk: Low
CVSSv4.0: 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
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Octavia
Octavia
Software vendor:
Openstack
Openstack
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.
Remediation
Install updates from vendor's website.