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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: net-snmp security update
Advisory ID:       RHSA-2021:0257-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:0257
Issue date:        2021-01-26
CVE Names:         CVE-2020-15862 
=====================================================================

1. Summary:

An update for net-snmp is now available for Red Hat Enterprise Linux 7.4
Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update
Support, and Red Hat Enterprise Linux 7.4 Update Services for SAP
Solutions.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Server AUS (v. 7.4) - x86_64
Red Hat Enterprise Linux Server E4S (v. 7.4) - ppc64le, x86_64
Red Hat Enterprise Linux Server Optional AUS (v. 7.4) - x86_64
Red Hat Enterprise Linux Server Optional E4S (v. 7.4) - ppc64le, x86_64
Red Hat Enterprise Linux Server Optional TUS (v. 7.4) - x86_64
Red Hat Enterprise Linux Server TUS (v. 7.4) - x86_64

3. Description:

The net-snmp packages provide various libraries and tools for the Simple
Network Management Protocol (SNMP), including an SNMP library, an
extensible agent, tools for requesting or setting information from SNMP
agents, tools for generating and handling SNMP traps, a version of the
netstat command which uses SNMP, and a Tk/Perl Management Information Base
(MIB) browser.

Security Fix(es):

* net-snmp: Improper Privilege Management in EXTEND MIB may lead to
privileged commands execution (CVE-2020-15862)

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.

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

1873038 - CVE-2020-15862 net-snmp: Improper Privilege Management in EXTEND MIB
 may lead to privileged commands execution

6. Package List:

Red Hat Enterprise Linux Server AUS (v. 7.4):

Source:
net-snmp-5.7.2-28.el7_4.4.src.rpm

x86_64:
net-snmp-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-agent-libs-5.7.2-28.el7_4.4.i686.rpm
net-snmp-agent-libs-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-debuginfo-5.7.2-28.el7_4.4.i686.rpm
net-snmp-debuginfo-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-devel-5.7.2-28.el7_4.4.i686.rpm
net-snmp-devel-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-libs-5.7.2-28.el7_4.4.i686.rpm
net-snmp-libs-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-utils-5.7.2-28.el7_4.4.x86_64.rpm

Red Hat Enterprise Linux Server E4S (v. 7.4):

Source:
net-snmp-5.7.2-28.el7_4.4.src.rpm

ppc64le:
net-snmp-5.7.2-28.el7_4.4.ppc64le.rpm
net-snmp-agent-libs-5.7.2-28.el7_4.4.ppc64le.rpm
net-snmp-debuginfo-5.7.2-28.el7_4.4.ppc64le.rpm
net-snmp-devel-5.7.2-28.el7_4.4.ppc64le.rpm
net-snmp-libs-5.7.2-28.el7_4.4.ppc64le.rpm
net-snmp-utils-5.7.2-28.el7_4.4.ppc64le.rpm

x86_64:
net-snmp-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-agent-libs-5.7.2-28.el7_4.4.i686.rpm
net-snmp-agent-libs-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-debuginfo-5.7.2-28.el7_4.4.i686.rpm
net-snmp-debuginfo-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-devel-5.7.2-28.el7_4.4.i686.rpm
net-snmp-devel-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-libs-5.7.2-28.el7_4.4.i686.rpm
net-snmp-libs-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-utils-5.7.2-28.el7_4.4.x86_64.rpm

Red Hat Enterprise Linux Server TUS (v. 7.4):

Source:
net-snmp-5.7.2-28.el7_4.4.src.rpm

x86_64:
net-snmp-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-agent-libs-5.7.2-28.el7_4.4.i686.rpm
net-snmp-agent-libs-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-debuginfo-5.7.2-28.el7_4.4.i686.rpm
net-snmp-debuginfo-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-devel-5.7.2-28.el7_4.4.i686.rpm
net-snmp-devel-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-libs-5.7.2-28.el7_4.4.i686.rpm
net-snmp-libs-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-utils-5.7.2-28.el7_4.4.x86_64.rpm

Red Hat Enterprise Linux Server Optional AUS (v. 7.4):

x86_64:
net-snmp-debuginfo-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-gui-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-perl-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-python-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-sysvinit-5.7.2-28.el7_4.4.x86_64.rpm

Red Hat Enterprise Linux Server Optional E4S (v. 7.4):

ppc64le:
net-snmp-debuginfo-5.7.2-28.el7_4.4.ppc64le.rpm
net-snmp-gui-5.7.2-28.el7_4.4.ppc64le.rpm
net-snmp-perl-5.7.2-28.el7_4.4.ppc64le.rpm
net-snmp-python-5.7.2-28.el7_4.4.ppc64le.rpm
net-snmp-sysvinit-5.7.2-28.el7_4.4.ppc64le.rpm

x86_64:
net-snmp-debuginfo-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-gui-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-perl-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-python-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-sysvinit-5.7.2-28.el7_4.4.x86_64.rpm

Red Hat Enterprise Linux Server Optional TUS (v. 7.4):

x86_64:
net-snmp-debuginfo-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-gui-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-perl-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-python-5.7.2-28.el7_4.4.x86_64.rpm
net-snmp-sysvinit-5.7.2-28.el7_4.4.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2020-15862
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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