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CVE-2018-6332

Quick assessment

Affected
Facebook HHVM
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.

Facebook HHVM（又名HipHop Virtual Machine）是美国Facebook公司的一款能够显著提高PHP加载动态页面性能的虚拟机。 Facebook HHVM 3.24.3及之前版本和3.21.7及之前版本中存在安全漏洞。攻击者可利用该漏洞造成拒绝服务。

AI Predicted 7.5 Difficulty: Moderate EPSS 1.09% · P65

Possible ATT&CK Techniques 1 AI

T1025 · Data from Removable Media
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I. Basic Information for CVE-2018-6332

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A potential denial-of-service issue in the Proxygen handling of invalid HTTP2 settings which can cause the server to spend disproportionate resources. This affects all supported versions of HHVM (3.24.3 and 3.21.7 and below) when using the proxygen server to handle HTTP2 requests.
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
Facebook HHVM 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Facebook HHVM（又名HipHop Virtual Machine）是美国Facebook公司的一款能够显著提高PHP加载动态页面性能的虚拟机。 Facebook HHVM 3.24.3及之前版本和3.21.7及之前版本中存在安全漏洞。攻击者可利用该漏洞造成拒绝服务。
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
Facebook HHVM 3.24.4 -

II. Public POCs for CVE-2018-6332

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III. Intelligence Information for CVE-2018-6332

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Security Blog Posts for CVE-2018-6332 (1)

IV. Related Vulnerabilities

Same product: HHVM
Same vendor: Facebook
Same weakness: CWE-400