Detections
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AlmaLinux 8 : rpm (ALSA-2021:2574)

high Nessus Plugin ID 157653

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-2021:2574 advisory.

 - A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an attacker who can convince a victim to install a seemingly verifiable package, whose signature header was modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is to data integrity, confidentiality, and system availability. (CVE-2021-20271)

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-2021-2574.html

Plugin Details

Severity: High

ID: 157653

File Name: alma_linux_ALSA-2021-2574.nasl

Version: 1.3

Type: local

Published: 2/9/2022

Updated: 2/14/2022

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-2021-20271

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

Vector: CVSS:3.0/AV:L/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:rpm, p-cpe:/a:alma:linux:rpm-plugin-syslog, p-cpe:/a:alma:linux:rpm-libs, p-cpe:/a:alma:linux:python3-rpm, p-cpe:/a:alma:linux:rpm-devel, p-cpe:/a:alma:linux:rpm-plugin-ima, p-cpe:/a:alma:linux:rpm-apidocs, cpe:/o:alma:linux:8, p-cpe:/a:alma:linux:rpm-cron, p-cpe:/a:alma:linux:rpm-sign, p-cpe:/a:alma:linux:rpm-plugin-prioreset, p-cpe:/a:alma:linux:rpm-plugin-systemd-inhibit, p-cpe:/a:alma:linux:rpm-plugin-selinux, p-cpe:/a:alma:linux:rpm-build-libs

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/29/2021

Vulnerability Publication Date: 3/22/2021

Reference Information

CVE: CVE-2021-20271