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AlmaLinux 8 : rpm (ALSA-2021:4489)

medium Nessus Plugin ID 157480

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-2021:4489 advisory.

 - A flaw was found in RPM's hdrblobInit() in lib/header.c. This flaw allows an attacker who can modify the rpmdb to cause an out-of-bounds read. The highest threat from this vulnerability is to system availability. (CVE-2021-20266)

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-2021-4489.html

Plugin Details

Severity: Medium

ID: 157480

File Name: alma_linux_ALSA-2021-4489.nasl

Version: 1.3

Type: local

Published: 2/9/2022

Updated: 2/14/2022

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2021-20266

CVSS v3

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 4.3

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

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

Vulnerability Information

CPE: p-cpe:/a:alma:linux:python3-rpm, p-cpe:/a:alma:linux:rpm, p-cpe:/a:alma:linux:rpm-apidocs, p-cpe:/a:alma:linux:rpm-build, p-cpe:/a:alma:linux:rpm-build-libs, p-cpe:/a:alma:linux:rpm-cron, p-cpe:/a:alma:linux:rpm-devel, p-cpe:/a:alma:linux:rpm-libs, p-cpe:/a:alma:linux:rpm-plugin-fapolicyd, p-cpe:/a:alma:linux:rpm-plugin-ima, p-cpe:/a:alma:linux:rpm-plugin-prioreset, p-cpe:/a:alma:linux:rpm-plugin-selinux, p-cpe:/a:alma:linux:rpm-plugin-syslog, p-cpe:/a:alma:linux:rpm-plugin-systemd-inhibit, p-cpe:/a:alma:linux:rpm-sign, cpe:/o:alma:linux:8

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: 3/22/2021

Reference Information

CVE: CVE-2021-20266