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Red Hat: RHSA-2020-4003-01 Moderate: NetworkManager Fix

red hat
Calendar Grey September 29, 2020
Dist Redhat Esm H88
Red Hat issues a significant security notice for the NetworkManager tool, encompassing crucial patches aimed at improving stability in corporate settings.
An update for NetworkManager is now available for Red Hat Enterprise Linux 7

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

NetworkManager is a system network service that manages network devices and connections, attempting to keep active network connectivity when available. Its capabilities include managing Ethernet, wireless, mobile broadband (WWAN), and PPPoE devices, as well as providing VPN integration with a variety of different VPN services.
Security Fix(es):
* NetworkManager: user configuration not honoured leaving the connection unauthenticated via insecure defaults (CVE-2020-10754)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.9 Release Notes linked from the References section.

Topics%20covered

Topics Covered

security advisory moderate update red hat bug fix networkmanager

References

https://access.redhat.com/security/cve/CVE-2020-10754 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_release_notes/index

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: NetworkManager-1.18.8-1.el7.src.rpm
x86_64: NetworkManager-1.18.8-1.el7.x86_64.rpm NetworkManager-adsl-1.18.8-1.el7.x86_64.rpm NetworkManager-bluetooth-1.18.8-1.el7.x86_64.rpm NetworkManager-debuginfo-1.18.8-1.el7.i686.rpm NetworkManager-debuginfo-1.18.8-1.el7.x86_64.rpm NetworkManager-glib-1.18.8-1.el7.i686.rpm NetworkManager-glib-1.18.8-1.el7.x86_64.rpm NetworkManager-libnm-1.18.8-1.el7.i686.rpm NetworkManager-libnm-1.18.8-1.el7.x86_64.rpm NetworkManager-ppp-1.18.8-1.el7.x86_64.rpm NetworkManager-team-1.18.8-1.el7.x86_64.rpm NetworkManager-tui-1.18.8-1.el7.x86_64.rpm NetworkManager-wifi-1.18.8-1.el7.x86_64.rpm NetworkManager-wwan-1.18.8-1.el7.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
noarch: NetworkManager-dispatcher-routing-rules-1.18.8-1.el7.noarch.rpm
x86_64: NetworkManager-debuginfo-1.18.8-1.el7.i686.rpm NetworkManager-debuginfo-1.18.8-1.el7.x86_64.rpm NetworkManager-glib-devel-1.18.8-1.el7.i686.rpm NetworkManager-glib-devel-1.18.8-1.el7.x86_64.rpm NetworkManager-libnm-devel-1.18.8-1.el7.i686.rpm NetworkManager-libnm-devel-1.18.8-1.el7.x86_64.rpm NetworkManager-ovs-1.18.8-1.el7.x86_64.rpm
Red Hat Enterprise Linux ComputeNode (v. 7):
Source: NetworkManager-1.18.8-1.el7.src.rpm
x86_64:

Read the Full Advisory


Advisory ID: RHSA-2020:4003-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:4003
Issue date: 2020-09-29

Topic

An update for NetworkManager is now available for Red Hat Enterprise Linux7.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate update red hat bug fix networkmanager

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64

Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64

Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64

Red Hat Enterprise Linux Server (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch, x86_64

Bugs Fixed

1706646 - The network target is reached before IPv6 adresses are assigned

1737774 - [abrt] [faf] NetworkManager: raise(): /usr/sbin/NetworkManager killed by 6

1758550 - conditional statements from dhclient.conf not merged

1765566 - Bringing up one slave of team0 also brings up team1

1785039 - nmcli command to add ipv4.gateway does not work when DEFROUTE=no and throws no error

1797915 - [abrt] [faf] g_ascii_strtoll() for "10" failed with errno=11 (Resource temporarily unavailable)

1832170 - Cannot bring up ip6gre tunnel connection via NetworkManager

1841041 - CVE-2020-10754 NetworkManager: user configuration not honoured leaving the connection unauthenticated via insecure defaults

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