Denial of service in QEMU qemu-img

1) Resource exhaustion

EUVDB-ID: #VU94526

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-4467

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

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

External links

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

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to trick the victim to open a a specially crafted file.

Is there known malware, which exploits this vulnerability?

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