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CVE-2017-7493

Quick assessment

Affected
QEMU qemu
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

QEMU（又名Quick Emulator）是法国程序员法布里斯-贝拉（Fabrice Bellard）所研发的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU中存在访问控制错误漏洞。攻击者可利用该漏洞在虚拟机中提升权限。

AI Predicted 5.6 Difficulty: Moderate EPSS 0.37% · P28

Possible ATT&CK Techniques 1 AI

T1548 · Abuse Elevation Control Mechanism
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I. Basic Information for CVE-2017-7493

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Quick Emulator (Qemu) built with the VirtFS, host directory sharing via Plan 9 File System(9pfs) support, is vulnerable to an improper access control issue. It could occur while accessing virtfs metadata files in mapped-file security mode. A guest user could use this flaw to escalate their privileges inside guest.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
QEMU 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QEMU（又名Quick Emulator）是法国程序员法布里斯-贝拉（Fabrice Bellard）所研发的一套模拟处理器软件。该软件具有速度快、跨平台等特点。 QEMU中存在访问控制错误漏洞。攻击者可利用该漏洞在虚拟机中提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
QEMU qemu 2.7.4 -

II. Public POCs for CVE-2017-7493

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III. Intelligence Information for CVE-2017-7493

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Vendor Advisories for CVE-2017-7493 (3)

Mailing List Discussions for CVE-2017-7493 (3)

IV. Related Vulnerabilities

Same product: qemu
Same vendor: QEMU

V. Comments for CVE-2017-7493

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