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Alpine: multiple nettle packages: security update to 3.7.2-r0

high Tenable Self-Hosted Container Security Plugin ID 424181

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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. (CVE-2021-20305)

See Also

https://security.alpinelinux.org/vuln/CVE-2021-20305

Plugin Details

Severity: High

ID: 424181

Version: Revision 1.8

Type: Local

Published: 4/4/2025

Updated: 7/2/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 97.35

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-20305

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 4/5/2021

Reference Information

CVE: CVE-2021-20305