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CentOS 7 : sssd (RHSA-2021:3336)

high Nessus Plugin ID 152976

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Synopsis

The remote CentOS Linux host is missing a security update.

Description

The remote CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:3336 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.

See Also

https://access.redhat.com/errata/RHSA-2021:3336

Plugin Details

Severity: High

ID: 152976

File Name: centos_RHSA-2021-3336.nasl

Version: 1.4

Type: local

Agent: unix

Published: 9/2/2021

Updated: 10/9/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Important

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:centos:centos:libsss_simpleifp, p-cpe:/a:centos:centos:python-sss, p-cpe:/a:centos:centos:python-libipa_hbac, p-cpe:/a:centos:centos:sssd-krb5-common, p-cpe:/a:centos:centos:libipa_hbac, p-cpe:/a:centos:centos:libsss_nss_idmap, p-cpe:/a:centos:centos:libsss_certmap-devel, p-cpe:/a:centos:centos:sssd-kcm, p-cpe:/a:centos:centos:python-libsss_nss_idmap, p-cpe:/a:centos:centos:sssd-libwbclient, p-cpe:/a:centos:centos:libsss_certmap, p-cpe:/a:centos:centos:libsss_idmap-devel, p-cpe:/a:centos:centos:sssd-krb5, p-cpe:/a:centos:centos:libsss_idmap, p-cpe:/a:centos:centos:sssd-polkit-rules, p-cpe:/a:centos:centos:sssd, p-cpe:/a:centos:centos:libsss_simpleifp-devel, p-cpe:/a:centos:centos:sssd-proxy, p-cpe:/a:centos:centos:sssd-tools, p-cpe:/a:centos:centos:sssd-common, cpe:/o:centos:centos:7, p-cpe:/a:centos:centos:libsss_autofs, p-cpe:/a:centos:centos:sssd-winbind-idmap, p-cpe:/a:centos:centos:sssd-ldap, p-cpe:/a:centos:centos:sssd-common-pac, p-cpe:/a:centos:centos:sssd-ipa, p-cpe:/a:centos:centos:sssd-client, p-cpe:/a:centos:centos:sssd-dbus, p-cpe:/a:centos:centos:libsss_nss_idmap-devel, p-cpe:/a:centos:centos:sssd-libwbclient-devel, p-cpe:/a:centos:centos:sssd-ad, p-cpe:/a:centos:centos:libipa_hbac-devel, p-cpe:/a:centos:centos:python-sssdconfig, p-cpe:/a:centos:centos:python-sss-murmur, p-cpe:/a:centos:centos:libsss_sudo

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/1/2021

Vulnerability Publication Date: 8/16/2021

Reference Information

CVE: CVE-2021-3621

RHSA: 2021:3336