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CVE-2020-1893

EPSS 0.61% · P70
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I. Basic Information for CVE-2020-1893

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Insufficient boundary checks when decoding JSON in TryParse reads out of bounds memory, potentially leading to DOS. This issue affects HHVM 4.45.0, 4.44.0, 4.43.0, 4.42.0, 4.41.0, 4.40.0, 4.39.0, versions between 4.33.0 and 4.38.0 (inclusive), versions between 4.9.0 and 4.32.0 (inclusive), and versions prior to 4.8.7.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存读
Source: NVD (National Vulnerability Database)
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中存在缓冲区错误漏洞，该漏洞源于程序在TryParse中解码JSON时没有正确检查边界。攻击者可利用该漏洞导致拒绝服务。以下产品及版本受到影响：Facebook HHVM 4.45.0版本，4.44.0版本，4.43.0版本，4.42.0版本，4.41.0版本，4.40.0版本， 4.39.0版本，4.33.0版本至4.38.
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

VendorProductAffected VersionsCPESubscribe
FacebookHHVM 4.45.1 -

II. Public POCs for CVE-2020-1893

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III. Intelligence Information for CVE-2020-1893

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Same Patch Batch · Facebook · 2020-03-03 · 3 CVEs total

CVE-2020-1888Facebook HHVM 缓冲区错误漏洞
CVE-2020-1892Facebook HHVM 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: HHVM
Same vendor: Facebook
Same weakness: CWE-125

V. Comments for CVE-2020-1893

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