#VU94526 Resource exhaustion in QEMU - CVE-2024-4467

Vulnerability identifier: #VU94526

Vulnerability risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-4467

CWE-ID: CWE-400

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
QEMU
Client/Desktop applications / Virtualization software

Vendor: QEMU

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources within the qemu-img utility when handling a specially crafted image file containing a "json:{}" value. A remote attacker can trick the victim into loading a specially crafted image file and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

QEMU: All versions

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External links
https://access.redhat.com/security/cve/CVE-2024-4467
https://bugzilla.redhat.com/show_bug.cgi?id=2278875
https://access.redhat.com/errata/RHSA-2024:4276
https://access.redhat.com/errata/RHSA-2024:4277
https://access.redhat.com/errata/RHSA-2024:4278
https://access.redhat.com/errata/RHSA-2024:4372
https://access.redhat.com/errata/RHSA-2024:4373
https://access.redhat.com/errata/RHSA-2024:4374
https://access.redhat.com/errata/RHSA-2024:4420

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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