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CVE-2017-7539

Quick assessment

Affected
QEMU Qemu
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）个人开发者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 2.10.1之前版本存在输入验证错误漏洞。攻击者利用该漏洞导致服务器崩溃。

AI Predicted 7.5 Difficulty: Easy EPSS 5.46% · P92

Possible ATT&CK Techniques 1 AI

T1499.001 · OS Exhaustion Flood
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I. Basic Information for CVE-2017-7539

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An assertion-failure flaw was found in Qemu before 2.10.1, in the Network Block Device (NBD) server's initial connection negotiation, where the I/O coroutine was undefined. This could crash the qemu-nbd server if a client sent unexpected data during connection negotiation. A remote user or process could use this flaw to crash the qemu-nbd server resulting in denial of service.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
可达断言
Source: CVE Program / CVE List V5
Vulnerability Title
QEMU 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QEMU（Quick Emulator）是法国法布里斯-贝拉（Fabrice Bellard）个人开发者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 2.10.1之前版本存在输入验证错误漏洞。攻击者利用该漏洞导致服务器崩溃。
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 2.10.1 -

II. Public POCs for CVE-2017-7539

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III. Intelligence Information for CVE-2017-7539

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Vendor Advisories for CVE-2017-7539 (9)

Mailing List Discussions for CVE-2017-7539 (1)

Other References for CVE-2017-7539 (2)

IV. Related Vulnerabilities

Same product: Qemu
Same vendor: QEMU
Same weakness: CWE-617

V. Comments for CVE-2017-7539

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