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RHEL 7 : systemd (RHSA-2019:1322)

medium Nessus Plugin ID 125712

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Synopsis

The remote Red Hat host is missing a security update for systemd.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2019:1322 advisory.

 The systemd packages contain systemd, a system and service manager for Linux, compatible with the SysV and LSB init scripts. It provides aggressive parallelism capabilities, uses socket and D-Bus activation for starting services, offers on-demand starting of daemons, and keeps track of processes using Linux cgroups.
 In addition, it supports snapshotting and restoring of the system state, maintains mount and automount points, and implements an elaborate transactional dependency-based service control logic. It can also work as a drop-in replacement for sysvinit.

 Security Fix(es):

 * systemd: Insufficient input validation in bus_process_object() resulting in PID 1 crash (CVE-2019-6454)

 For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

 Bug Fix(es):

 * systemd segfaults running test case https://github.com/systemd/systemd-fedora-ci/tree/master/issue-1981 (BZ#1711872)

 * Race between systemctl start (and likely others) vs systemctl daemon-reload (BZ#1711875)

 * systemd doesn't delete stub unit files created for session scopes (BZ#1711876)

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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 RHEL systemd package based on the guidance in RHSA-2019:1322.

See Also

http://www.nessus.org/u?9274978b

https://access.redhat.com/errata/RHSA-2019:1322

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=1667032

https://bugzilla.redhat.com/show_bug.cgi?id=1711872

https://bugzilla.redhat.com/show_bug.cgi?id=1711875

https://bugzilla.redhat.com/show_bug.cgi?id=1711876

Plugin Details

Severity: Medium

ID: 125712

File Name: redhat-RHSA-2019-1322.nasl

Version: 1.9

Type: local

Agent: unix

Published: 6/5/2019

Updated: 11/6/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.8

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

CVSS Score Source: CVE-2019-6454

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:systemd, p-cpe:/a:redhat:enterprise_linux:systemd-sysv, p-cpe:/a:redhat:enterprise_linux:libgudev1-devel, p-cpe:/a:redhat:enterprise_linux:systemd-python, p-cpe:/a:redhat:enterprise_linux:systemd-libs, p-cpe:/a:redhat:enterprise_linux:systemd-networkd, cpe:/o:redhat:rhel_eus:7.5, p-cpe:/a:redhat:enterprise_linux:libgudev1, p-cpe:/a:redhat:enterprise_linux:systemd-resolved, p-cpe:/a:redhat:enterprise_linux:systemd-journal-gateway, p-cpe:/a:redhat:enterprise_linux:systemd-devel

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/4/2019

Vulnerability Publication Date: 3/21/2019

Reference Information

CVE: CVE-2019-6454

CWE: 20

RHSA: 2019:1322