Rocky Linux 8 : sssd (RLSA-2021:3151)

high Nessus Plugin ID 157743

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-2021:3151 advisory.

- A flaw was found in SSSD, where the sssctl command was vulnerable to shell command injection via the logs- fetch and cache-expire subcommands. This flaw allows an attacker to trick the root user into running a specially crafted sssctl command, such as via sudo, to gain root access. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability. (CVE-2021-3621)

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.

Plugin Details

Severity: High

ID: 157743

File Name: rocky_linux_RLSA-2021-3151.nasl

Version: 1.4

Type: local

Family: Rocky Linux Local Security Checks

Published: 2/9/2022

Updated: 11/7/2023

Supported Sensors: Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

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

CVSS Score Source: CVE-2021-3621

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:N/AC:L/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:rocky:linux:sssd-kcm-debuginfo, p-cpe:/a:rocky:linux:sssd-libwbclient-debuginfo, p-cpe:/a:rocky:linux:sssd-dbus-debuginfo, p-cpe:/a:rocky:linux:sssd-ldap-debuginfo, p-cpe:/a:rocky:linux:sssd-client, p-cpe:/a:rocky:linux:libsss_autofs, p-cpe:/a:rocky:linux:sssd-kcm, p-cpe:/a:rocky:linux:sssd-common, p-cpe:/a:rocky:linux:sssd-libwbclient, p-cpe:/a:rocky:linux:sssd-ldap, p-cpe:/a:rocky:linux:python3-sss-debuginfo, p-cpe:/a:rocky:linux:sssd-ad, p-cpe:/a:rocky:linux:libsss_sudo, p-cpe:/a:rocky:linux:sssd-proxy, cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:sssd-krb5-debuginfo, p-cpe:/a:rocky:linux:libsss_sudo-debuginfo, p-cpe:/a:rocky:linux:python3-sss, p-cpe:/a:rocky:linux:sssd-winbind-idmap-debuginfo, p-cpe:/a:rocky:linux:sssd-nfs-idmap, p-cpe:/a:rocky:linux:libsss_simpleifp-debuginfo, p-cpe:/a:rocky:linux:sssd-ad-debuginfo, p-cpe:/a:rocky:linux:sssd-debuginfo, p-cpe:/a:rocky:linux:sssd-krb5-common-debuginfo, p-cpe:/a:rocky:linux:sssd-dbus, p-cpe:/a:rocky:linux:libsss_simpleifp, p-cpe:/a:rocky:linux:libsss_idmap, p-cpe:/a:rocky:linux:sssd-polkit-rules, p-cpe:/a:rocky:linux:sssd-client-debuginfo, p-cpe:/a:rocky:linux:libsss_nss_idmap-debuginfo, p-cpe:/a:rocky:linux:libsss_idmap-debuginfo, p-cpe:/a:rocky:linux:sssd-ipa, p-cpe:/a:rocky:linux:sssd-ipa-debuginfo, p-cpe:/a:rocky:linux:python3-libsss_nss_idmap, p-cpe:/a:rocky:linux:sssd-common-debuginfo, p-cpe:/a:rocky:linux:sssd-common-pac-debuginfo, p-cpe:/a:rocky:linux:sssd-nfs-idmap-debuginfo, p-cpe:/a:rocky:linux:sssd-krb5-common, p-cpe:/a:rocky:linux:python3-libipa_hbac-debuginfo, p-cpe:/a:rocky:linux:python3-libipa_hbac, p-cpe:/a:rocky:linux:sssd-tools-debuginfo, p-cpe:/a:rocky:linux:libipa_hbac, p-cpe:/a:rocky:linux:sssd-common-pac, p-cpe:/a:rocky:linux:libsss_nss_idmap, p-cpe:/a:rocky:linux:sssd, p-cpe:/a:rocky:linux:sssd-debugsource, p-cpe:/a:rocky:linux:libipa_hbac-debuginfo, p-cpe:/a:rocky:linux:sssd-tools, p-cpe:/a:rocky:linux:sssd-krb5, p-cpe:/a:rocky:linux:python3-libsss_nss_idmap-debuginfo, p-cpe:/a:rocky:linux:sssd-proxy-debuginfo, p-cpe:/a:rocky:linux:libsss_nss_idmap-devel, p-cpe:/a:rocky:linux:python3-sss-murmur, p-cpe:/a:rocky:linux:libsss_autofs-debuginfo, p-cpe:/a:rocky:linux:libsss_certmap, p-cpe:/a:rocky:linux:python3-sssdconfig, p-cpe:/a:rocky:linux:libsss_certmap-debuginfo, p-cpe:/a:rocky:linux:python3-sss-murmur-debuginfo, p-cpe:/a:rocky:linux:sssd-winbind-idmap

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: 8/16/2021

Vulnerability Publication Date: 8/16/2021

Reference Information

CVE: CVE-2021-3621

Detections

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