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CVE-2021-20305

EPSS 0.18% · P39
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I. Basic Information for CVE-2021-20305

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification functions (GOST DSA, EDDSA & ECDSA) result in the Elliptic Curve Cryptography point (ECC) multiply function being called with out-of-range scalers, possibly resulting in incorrect results. This flaw allows an attacker to force an invalid signature, causing an assertion failure or possible validation. The highest threat to this vulnerability is to confidentiality, integrity, as well as system availability.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用已被攻破或存在风险的密码学算法
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux Nettle 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux Nettle是Linux开源的一个应用软件。包含的设计适合很容易在许多情况下一个低级别的密码库。 Linux Nettle 中存在缓冲区错误漏洞。该漏洞源于椭圆曲线加密点 (ECC) 乘法函数被调用超出范围的缩放器。
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
-nettle nettle 3.7.2 -

II. Public POCs for CVE-2021-20305

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III. Intelligence Information for CVE-2021-20305

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Same Patch Batch · n/a · 2021-04-05 · 15 CVEs total

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CVE-2021-29996Mark Text 跨站脚本漏洞
CVE-2021-29261svelte 安全漏洞
CVE-2021-28832VSCodeVim 安全漏洞
CVE-2020-17453WSO2 Management Console 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: nettle
Same vendor: n/a
Same weakness: CWE-327

V. Comments for CVE-2021-20305

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