Vulnerability identifier: #VU94498

Vulnerability risk: Medium

CVSSv3.1: 6.6 [CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-31144

CWE-ID: CWE-74

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Xen
Server applications / Virtualization software

Vendor: Xen Project

Description

The vulnerability allows a malicious guest to compromise other guests.

The vulnerability exists due to improper validation of metadata in xapi when restoring data from backup. A malicious guest can manipulate disks to appear to be a metadata backup and trick the guest administrator to recover the system from a malicious backup.

Systems running Xapi v1.249.x are affected.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Xen: All versions

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External links
http://xenbits.xen.org/xsa/advisory-459.html

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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