#VU96470 Information disclosure in Openstack Nova - CVE-2024-40767

Vulnerability identifier: #VU96470

Vulnerability 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-2024-40767

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Openstack Nova
Client/Desktop applications / Other client software

Vendor: Openstack

Description

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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Openstack Nova: 27.0.0 - 29.1.0

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External links
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

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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.