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CVE-2018-16844

Quick assessment

Affected
[UNKNOWN] nginx
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.

F5 Nginx是美国F5公司的一款轻量级Web服务器/反向代理服务器及电子邮件（IMAP/POP3）代理服务器，在BSD-like协议下发行。 F5 Nginx 1.15.6版本、1.14.1版本存在安全漏洞。攻击者利用该漏洞导致 CPU 使用率过高。

AI Predicted 5.9 Difficulty: Easy EPSS 12.40% · P96
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I. Basic Information for CVE-2018-16844

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive CPU usage. This issue affects nginx compiled with the ngx_http_v2_module (not compiled by default) if the 'http2' option of the 'listen' directive is used in a configuration file.
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
F5 Nginx 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
F5 Nginx是美国F5公司的一款轻量级Web服务器/反向代理服务器及电子邮件（IMAP/POP3）代理服务器，在BSD-like协议下发行。 F5 Nginx 1.15.6版本、1.14.1版本存在安全漏洞。攻击者利用该漏洞导致 CPU 使用率过高。
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
[UNKNOWN] nginx 1.15.6 -

II. Public POCs for CVE-2018-16844

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III. Intelligence Information for CVE-2018-16844

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Vendor Advisories for CVE-2018-16844 (8)

Mailing List Discussions for CVE-2018-16844 (2)

Other References for CVE-2018-16844 (1)

Same Patch Batch · [UNKNOWN] · 2018-11-07 · 3 CVEs total

CVE-2018-16843 F5 Nginx 安全漏洞
CVE-2018-16845 F5 Nginx 内存泄漏漏洞

IV. Related Vulnerabilities

Same product: nginx
Same vendor: [UNKNOWN]
Same weakness: CWE-400

V. Comments for CVE-2018-16844

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