Information disclosure in Openstack Nova - CVE-2024-40767

Vulnerability identifier: #VU96470

CSH Severity: Low

CVSS v4: 5.3 [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]

CVE-ID: CVE-2024-40767

CWE-ID: CWE-200

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to insufficient validation of file paths inside a QCOW2 image with a backing file path or VMDK flat image with a descriptor file path. A remote user can supply a specially crafted image that references a specific data file path and view the contents of the file.

Openstack Nova
Ubuntu
Red Hat OpenStack
openstack-nova (Red Hat package)
nova-common (Ubuntu package)
python3-nova (Ubuntu package)

Install update from vendor's website.

Openstack Nova - addressed in versions 27.5.0, 28.3.0, 29.2.0
Red Hat OpenStack - addressed in versions 16.1.9, 17.1.3
openstack-nova (Red Hat package) - addressed in versions 20.4.1-1.20221005193235.el8ost, 23.2.3-17.1.20231018123755.el8ost, 23.2.3-17.1.20231018130829.el9ost
nova-common (Ubuntu package) - addressed in versions 2:21.2.4-0ubuntu2.11, 3:25.2.1-0ubuntu2.6, 3:29.0.1-0ubuntu1.4
python3-nova (Ubuntu package) - addressed in versions 2:21.2.4-0ubuntu2.11, 3:25.2.1-0ubuntu2.6, 3:29.0.1-0ubuntu1.4

• https://launchpad.net/bugs/2071734
• https://www.openwall.com/lists/oss-security/2024/07/23/2
• https://security.openstack.org/ossa/OSSA-2024-002.html

• Information disclosure in OpenStack Nova
• Information disclosure in Red Hat OpenStack 16.1 packages
• Information disclosure in Red Hat OpenStack 17.1 packages
• Information disclosure in Red Hat OpenStack 17.1 packages
• Ubuntu update for nova