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CVE-2017-2620

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中存在远程代码执行漏洞。攻击者可利用该漏洞在受影响应用程序的上下文中执行任意代码，造成拒绝服务。

AI Predicted 8.6 Difficulty: Moderate EPSS 3.15% · P87
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I. Basic Information for CVE-2017-2620

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
QEMU 安全漏洞
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中存在远程代码执行漏洞。攻击者可利用该漏洞在受影响应用程序的上下文中执行任意代码，造成拒绝服务。
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: 2.8 -

II. Public POCs for CVE-2017-2620

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III. Intelligence Information for CVE-2017-2620

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Vendor Advisories for CVE-2017-2620 (15)

Mailing List Discussions for CVE-2017-2620 (4)

Other References for CVE-2017-2620 (1)

Same Patch Batch · QEMU · 2018-07-27 · 6 CVEs total

CVE-2016-9603 QEMU 缓冲区错误漏洞
CVE-2017-15118 QEMU 缓冲区错误漏洞
CVE-2017-15119 QEMU 安全漏洞
CVE-2017-2630 QEMU 缓冲区错误漏洞
CVE-2017-2633 QEMU 安全漏洞

IV. Related Vulnerabilities

Same product: Qemu:
Same vendor: QEMU
Same weakness: CWE-787

V. Comments for CVE-2017-2620

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