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CVE-2021-24032

AI Predicted 5.5 Difficulty: Moderate EPSS 0.35% · P28

Possible ATT&CK Techniques 1AI

T1222.002 · Linux and Mac Permissions
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I. Basic Information for CVE-2021-24032

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Beginning in v1.4.1 and prior to v1.4.9, due to an incomplete fix for CVE-2021-24031, the Zstandard command-line utility created output files with default permissions and restricted those permissions immediately afterwards. Output files could therefore momentarily be readable or writable to unintended parties.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
不安全的继承权限
Source: CVE Program / CVE List V5
Vulnerability Title
Zstandard 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Facebook Zstandard是美国Facebook公司的一种开源的无损数据压缩算法。 Zstandard command-line v1.4.1 and prior to v1.4.9 存在安全漏洞，该漏洞源于对CVE-2021-24031的修复不完整，Zstandard命令行工具使用默认权限创建输出文件，然后立即限制这些权限。
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
FacebookZstandard 1.4.9 ~ unspecified -

II. Public POCs for CVE-2021-24032

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III. Intelligence Information for CVE-2021-24032

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Vendor Advisories for CVE-2021-24032 (1)

IV. Related Vulnerabilities

Same product: Zstandard
Same vendor: Facebook
Same weakness: CWE-277

V. Comments for CVE-2021-24032

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