VDB-224552 · CVE-2023-0664 · EUVD-2023-12697

QEMU on Windows Guest Agent Service unnecessary privileges

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.6	$0-$5k	0.00

Summaryinfo

A vulnerability was found in QEMU on Windows. It has been declared as critical. This impacts an unknown function of the component Guest Agent Service. Such manipulation leads to unnecessary privileges. This vulnerability is uniquely identified as CVE-2023-0664. Local access is required to approach this attack. No exploit exists. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability, which was classified as critical, has been found in QEMU on Windows (Virtualization Software) (version now known). Affected by this issue is some unknown processing of the component Guest Agent Service. The manipulation with an unknown input leads to a unnecessary privileges vulnerability. Using CWE to declare the problem leads to CWE-250. The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A flaw was found in the QEMU Guest Agent service for Windows. A local unprivileged user may be able to manipulate the QEMU Guest Agent's Windows installer via repair custom actions to elevate their privileges on the system.

The weakness was disclosed 03/30/2023 as 07ce178a2b0768eb9e712bb5ad0cf6dc7fcf0158. The advisory is shared for download at gitlab.com. This vulnerability is handled as CVE-2023-0664 since 02/03/2023. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 209569 (Oracle Linux 8 : virt:kvm_utils1 (ELSA-2024-12791)), which helps to determine the existence of the flaw in a target environment.

Applying the patch 07ce178a2b0768eb9e712bb5ad0cf6dc7fcf0158 is able to eliminate this problem. The bugfix is ready for download at gitlab.com.

The vulnerability is also documented in the databases at Tenable (209569) and EUVD (EUVD-2023-12697). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Virtualization Software

Name

QEMU

License

open-source

Website

Product: https://www.qemu.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Unnecessary privileges
CWE: CWE-250
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 209569
Nessus Name: Oracle Linux 8 : virt:kvm_utils1 (ELSA-2024-12791)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 07ce178a2b0768eb9e712bb5ad0cf6dc7fcf0158

Timelineinfo

02/03/2023 🔍
03/30/2023 +54 days 🔍
03/30/2023 +0 days 🔍
07/12/2025 +835 days 🔍

Sourcesinfo

Product: qemu.org

Advisory: 07ce178a2b0768eb9e712bb5ad0cf6dc7fcf0158
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2023-0664 (🔍)
GCVE (CVE): GCVE-0-2023-0664
GCVE (VulDB): GCVE-100-224552
EUVD: 🔍

Entryinfo

Created: 03/30/2023 11:30
Updated: 07/12/2025 16:15
Changes: 03/30/2023 11:30 (42), 04/20/2023 11:16 (10), 10/26/2024 22:38 (17), 07/12/2025 16:15 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.