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CVE-2017-15119

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 2.11之前版本中的Network Block Device (NBD) server存在拒绝服务漏洞。远程攻击者可利用漏洞造成NBD服务器无法处理其他请求，导致拒绝服务。

AI Predicted 5.3 Difficulty: Easy EPSS 3.33% · P88
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I. Basic Information for CVE-2017-15119

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
The Network Block Device (NBD) server in Quick Emulator (QEMU) before 2.11 is vulnerable to a denial of service issue. It could occur if a client sent large option requests, making the server waste CPU time on reading up to 4GB per request. A client could use this flaw to keep the NBD server from serving other requests, resulting in DoS.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
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 2.11之前版本中的Network Block Device (NBD) server存在拒绝服务漏洞。远程攻击者可利用漏洞造成NBD服务器无法处理其他请求，导致拒绝服务。
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 2.11 -

II. Public POCs for CVE-2017-15119

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III. Intelligence Information for CVE-2017-15119

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Vendor Advisories for CVE-2017-15119 (6)

Mailing List Discussions for CVE-2017-15119 (2)

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-2017-2620 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-400

V. Comments for CVE-2017-15119

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