Rocky Linux 8 : rpm (RLSA-2021:4489)

medium Nessus Plugin ID 184915

Synopsis

The remote Rocky Linux host is missing a security update.

Description

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-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.rockylinux.org/RLSA-2021:4489

https://bugzilla.redhat.com/show_bug.cgi?id=1840142

https://bugzilla.redhat.com/show_bug.cgi?id=1927741

https://bugzilla.redhat.com/show_bug.cgi?id=1938928

https://bugzilla.redhat.com/show_bug.cgi?id=1996665

Plugin Details

Severity: Medium

ID: 184915

File Name: rocky_linux_RLSA-2021-4489.nasl

Version: 1.0

Type: local

Published: 11/7/2023

Updated: 11/7/2023

Supported Sensors: Continuous Assessment, 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:rocky:linux:rpm-sign-debuginfo, p-cpe:/a:rocky:linux:rpm-plugin-prioreset, p-cpe:/a:rocky:linux:rpm-plugin-syslog, p-cpe:/a:rocky:linux:python3-rpm, p-cpe:/a:rocky:linux:rpm-cron, p-cpe:/a:rocky:linux:rpm-build-libs-debuginfo, p-cpe:/a:rocky:linux:rpm-apidocs, p-cpe:/a:rocky:linux:python3-rpm-debuginfo, cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:rpm-sign, p-cpe:/a:rocky:linux:rpm-devel, p-cpe:/a:rocky:linux:rpm-plugin-systemd-inhibit-debuginfo, p-cpe:/a:rocky:linux:rpm-plugin-ima-debuginfo, p-cpe:/a:rocky:linux:rpm-build, p-cpe:/a:rocky:linux:rpm-libs-debuginfo, p-cpe:/a:rocky:linux:rpm-build-libs, p-cpe:/a:rocky:linux:rpm-build-debuginfo, p-cpe:/a:rocky:linux:rpm-plugin-selinux, p-cpe:/a:rocky:linux:rpm-devel-debuginfo, p-cpe:/a:rocky:linux:rpm-plugin-ima, p-cpe:/a:rocky:linux:rpm-libs, p-cpe:/a:rocky:linux:rpm-plugin-syslog-debuginfo, p-cpe:/a:rocky:linux:rpm-plugin-fapolicyd-debuginfo, p-cpe:/a:rocky:linux:rpm-debuginfo, p-cpe:/a:rocky:linux:rpm-plugin-selinux-debuginfo, p-cpe:/a:rocky:linux:rpm-plugin-fapolicyd, p-cpe:/a:rocky:linux:rpm-plugin-systemd-inhibit, p-cpe:/a:rocky:linux:rpm-debugsource, p-cpe:/a:rocky:linux:rpm, p-cpe:/a:rocky:linux:rpm-plugin-prioreset-debuginfo

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

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