Debian DSA-4933-1 : nettle - security update

high Nessus Plugin ID 150905

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Synopsis

The remote Debian host is missing a security-related update.

Description

Multiple vulnerabilities were discovered in nettle, a low level cryptographic library, which could result in denial of service (remote crash in RSA decryption via specially crafted ciphertext, crash on ECDSA signature verification) or incorrect verification of ECDSA signatures.

Solution

Upgrade the nettle packages.

For the stable distribution (buster), these problems have been fixed in version 3.4.1-1+deb10u1.

Plugin Details

Severity: High

ID: 150905

File Name: debian_DSA-4933.nasl

Version: 1.4

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 6/21/2021

Updated: 12/21/2023

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

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

CPE: cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:nettle

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 6/18/2021

Vulnerability Publication Date: 4/5/2021

Reference Information

CVE: CVE-2021-20305, CVE-2021-3580

DSA: 4933

Detections

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