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I. Basic Information for CVE-2021-4238
Vulnerability Information

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Vulnerability Title
Insufficient randomness in github.com/Masterminds/goutils
Source: NVD (National Vulnerability Database)
Vulnerability Description
Randomly-generated alphanumeric strings contain significantly less entropy than expected. The RandomAlphaNumeric and CryptoRandomAlphaNumeric functions always return strings containing at least one digit from 0 to 9. This significantly reduces the amount of entropy in short strings generated by these functions.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
GoUtils 安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GoUtils是Masterminds开源的一个库。为用户提供了以各种方式操纵字符串的实用函数。 Masterminds goutils存在安全漏洞,该漏洞源于随机生成的字母数字字符串包含的熵比预期的要少得多,RandomAlphaNumeric 和 CryptoRandomAlphaNumeric 函数始终返回包含至少一位从 0 到 9 的字符串,导致减少了这些函数生成的短字符串中的熵量。
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
github.com/Masterminds/goutilsgithub.com/Masterminds/goutils 0 ~ 1.1.1 -
II. Public POCs for CVE-2021-4238
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III. Intelligence Information for CVE-2021-4238
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