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CVE-2019-3561

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 4.0.3及之前版本、3.30.4及之前版本和3.27.7及之前版本中存在安全漏洞，该漏洞源于程序没有进行充分地边界检查。攻击者可利用该漏洞越界访问内存。

AI Predicted 7.8 Difficulty: Easy EPSS 1.71% · P77

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2019-3561

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Insufficient boundary checks for the strrpos and strripos functions allow access to out-of-bounds memory. This affects all supported versions of HHVM (4.0.3, 3.30.4, and 3.27.7 and below).
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Facebook HHVM 缓冲区错误漏洞
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 4.0.3及之前版本、3.30.4及之前版本和3.27.7及之前版本中存在安全漏洞，该漏洞源于程序没有进行充分地边界检查。攻击者可利用该漏洞越界访问内存。
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 4.0.4 -

II. Public POCs for CVE-2019-3561

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III. Intelligence Information for CVE-2019-3561

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Patches & Fixes for CVE-2019-3561 (1)

Security Blog Posts for CVE-2019-3561 (1)

Same Patch Batch · Facebook · 2019-04-29 · 3 CVEs total

CVE-2019-3563 Facebook Wangle 缓冲区错误漏洞
CVE-2019-3560 fizz 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: HHVM
Same vendor: Facebook
Same weakness: CWE-119

V. Comments for CVE-2019-3561

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