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AlmaLinux 8 : dnf (ALSA-2021:4464)

high Nessus Plugin ID 157631

Synopsis

The remote AlmaLinux host is missing a security update.

Description

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2021:4464 advisory.

 - A flaw was found in libdnf's signature verification functionality in versions before 0.60.1. This flaw allows an attacker to achieve code execution if they can alter the header information of an RPM package and then trick a user or system into installing it. The highest risk of this vulnerability is to confidentiality, integrity, as well as system availability. (CVE-2021-3445)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://errata.almalinux.org/8/ALSA-2021-4464.html

Plugin Details

Severity: High

ID: 157631

File Name: alma_linux_ALSA-2021-4464.nasl

Version: 1.4

Type: local

Published: 2/9/2022

Updated: 2/25/2022

Supported Sensors: Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 5.1

Temporal Score: 3.8

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

CVSS Score Source: CVE-2021-3445

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: p-cpe:/a:alma:linux:libdnf, p-cpe:/a:alma:linux:dnf-plugins-core, p-cpe:/a:alma:linux:python3-dnf-plugin-post-transaction-actions, p-cpe:/a:alma:linux:python3-dnf-plugins-core, p-cpe:/a:alma:linux:python3-dnf-plugin-versionlock, p-cpe:/a:alma:linux:dnf, p-cpe:/a:alma:linux:python3-libdnf, p-cpe:/a:alma:linux:python3-hawkey, cpe:/o:alma:linux:8, p-cpe:/a:alma:linux:python3-dnf, p-cpe:/a:alma:linux:dnf-data, p-cpe:/a:alma:linux:dnf-automatic, p-cpe:/a:alma:linux:libdnf-devel, p-cpe:/a:alma:linux:yum, p-cpe:/a:alma:linux:yum-utils

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/AlmaLinux/release, Host/AlmaLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 11/9/2021

Vulnerability Publication Date: 5/19/2021

Reference Information

CVE: CVE-2021-3445