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CVE-2018-6335

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 3.25.2及之前版本、3.24.6及之前版本和3.21.10及之前版本中存在安全漏洞，该漏洞源于在解析优先级元数据时畸形的h2帧会造成‘std::out_of_range’异常。攻击者可利用该漏洞造成拒绝服务。

AI Predicted 7.5 Difficulty: Easy EPSS 1.47% · P73

Possible ATT&CK Techniques 1 AI

T1499.001 · OS Exhaustion Flood
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I. Basic Information for CVE-2018-6335

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A Malformed h2 frame can cause 'std::out_of_range' exception when parsing priority meta data. This behavior can lead to denial-of-service. This affects all supported versions of HHVM (3.25.2, 3.24.6, and 3.21.10 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 3.25.2及之前版本、3.24.6及之前版本和3.21.10及之前版本中存在安全漏洞，该漏洞源于在解析优先级元数据时畸形的h2帧会造成‘std::out_of_range’异常。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 3.25.3 -

II. Public POCs for CVE-2018-6335

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III. Intelligence Information for CVE-2018-6335

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Patches & Fixes for CVE-2018-6335 (1)

Security Blog Posts for CVE-2018-6335 (1)

Same Patch Batch · Facebook · 2018-12-31 · 13 CVEs total

CVE-2018-6331 Buck 安全漏洞
CVE-2018-6333 Nuclide 安全漏洞
CVE-2018-6337 Facebook HHVM和folly library 安全漏洞
CVE-2018-6340 Facebook HHVM 缓冲区错误漏洞
CVE-2018-6341 React 跨站脚本漏洞
CVE-2018-6342 react-dev-utils 安全漏洞
CVE-2018-6343 Facebook Proxygen 安全漏洞
CVE-2018-6344 Facebook WhatsApp 缓冲区错误漏洞
CVE-2018-6346 Facebook Proxygen 安全漏洞
CVE-2018-6347 Facebook Proxygen HTTP2 Parser 安全漏洞
CVE-2018-6334 Facebook HHVM 安全漏洞
CVE-2018-6336 Facebook osquery 安全特征问题漏洞

IV. Related Vulnerabilities

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

V. Comments for CVE-2018-6335

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