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Red Hat Security Advisory

Synopsis: Important: net-snmp security and bug fix update
Advisory ID: RHSA-2020:5480-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5480
Issue date: 2020-12-15
CVE Names: CVE-2020-15862
=====================================================================

1. Summary:

An update for net-snmp is now available for Red Hat Enterprise Linux 8.

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 AppStream (v. 8) – aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) – aarch64, ppc64le, s390x, 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.

Bug Fix(es):

* In RHEL 8, snmpd using v3 is unable to send out default 60
maxGetbulkResponses when invalid PID specified. (BZ#1896760)

* AVC denied for snmpd / snmptrapd (BZ#1902662)

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
1896760 – In RHEL 8, snmpd using v3 is unable to send out default 60 maxGetbulkResponses when invalid PID specified. [rhel-8.3.0.z]

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

aarch64:
net-snmp-5.8-18.el8_3.1.aarch64.rpm
net-snmp-agent-libs-5.8-18.el8_3.1.aarch64.rpm
net-snmp-agent-libs-debuginfo-5.8-18.el8_3.1.aarch64.rpm
net-snmp-debuginfo-5.8-18.el8_3.1.aarch64.rpm
net-snmp-debugsource-5.8-18.el8_3.1.aarch64.rpm
net-snmp-devel-5.8-18.el8_3.1.aarch64.rpm
net-snmp-libs-debuginfo-5.8-18.el8_3.1.aarch64.rpm
net-snmp-perl-5.8-18.el8_3.1.aarch64.rpm
net-snmp-perl-debuginfo-5.8-18.el8_3.1.aarch64.rpm
net-snmp-utils-5.8-18.el8_3.1.aarch64.rpm
net-snmp-utils-debuginfo-5.8-18.el8_3.1.aarch64.rpm

ppc64le:
net-snmp-5.8-18.el8_3.1.ppc64le.rpm
net-snmp-agent-libs-5.8-18.el8_3.1.ppc64le.rpm
net-snmp-agent-libs-debuginfo-5.8-18.el8_3.1.ppc64le.rpm
net-snmp-debuginfo-5.8-18.el8_3.1.ppc64le.rpm
net-snmp-debugsource-5.8-18.el8_3.1.ppc64le.rpm
net-snmp-devel-5.8-18.el8_3.1.ppc64le.rpm
net-snmp-libs-debuginfo-5.8-18.el8_3.1.ppc64le.rpm
net-snmp-perl-5.8-18.el8_3.1.ppc64le.rpm
net-snmp-perl-debuginfo-5.8-18.el8_3.1.ppc64le.rpm
net-snmp-utils-5.8-18.el8_3.1.ppc64le.rpm
net-snmp-utils-debuginfo-5.8-18.el8_3.1.ppc64le.rpm

s390x:
net-snmp-5.8-18.el8_3.1.s390x.rpm
net-snmp-agent-libs-5.8-18.el8_3.1.s390x.rpm
net-snmp-agent-libs-debuginfo-5.8-18.el8_3.1.s390x.rpm
net-snmp-debuginfo-5.8-18.el8_3.1.s390x.rpm
net-snmp-debugsource-5.8-18.el8_3.1.s390x.rpm
net-snmp-devel-5.8-18.el8_3.1.s390x.rpm
net-snmp-libs-debuginfo-5.8-18.el8_3.1.s390x.rpm
net-snmp-perl-5.8-18.el8_3.1.s390x.rpm
net-snmp-perl-debuginfo-5.8-18.el8_3.1.s390x.rpm
net-snmp-utils-5.8-18.el8_3.1.s390x.rpm
net-snmp-utils-debuginfo-5.8-18.el8_3.1.s390x.rpm

x86_64:
net-snmp-5.8-18.el8_3.1.x86_64.rpm
net-snmp-agent-libs-5.8-18.el8_3.1.i686.rpm
net-snmp-agent-libs-5.8-18.el8_3.1.x86_64.rpm
net-snmp-agent-libs-debuginfo-5.8-18.el8_3.1.i686.rpm
net-snmp-agent-libs-debuginfo-5.8-18.el8_3.1.x86_64.rpm
net-snmp-debuginfo-5.8-18.el8_3.1.i686.rpm
net-snmp-debuginfo-5.8-18.el8_3.1.x86_64.rpm
net-snmp-debugsource-5.8-18.el8_3.1.i686.rpm
net-snmp-debugsource-5.8-18.el8_3.1.x86_64.rpm
net-snmp-devel-5.8-18.el8_3.1.i686.rpm
net-snmp-devel-5.8-18.el8_3.1.x86_64.rpm
net-snmp-libs-debuginfo-5.8-18.el8_3.1.i686.rpm
net-snmp-libs-debuginfo-5.8-18.el8_3.1.x86_64.rpm
net-snmp-perl-5.8-18.el8_3.1.x86_64.rpm
net-snmp-perl-debuginfo-5.8-18.el8_3.1.i686.rpm
net-snmp-perl-debuginfo-5.8-18.el8_3.1.x86_64.rpm
net-snmp-utils-5.8-18.el8_3.1.x86_64.rpm
net-snmp-utils-debuginfo-5.8-18.el8_3.1.i686.rpm
net-snmp-utils-debuginfo-5.8-18.el8_3.1.x86_64.rpm

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
net-snmp-5.8-18.el8_3.1.src.rpm

aarch64:
net-snmp-agent-libs-debuginfo-5.8-18.el8_3.1.aarch64.rpm
net-snmp-debuginfo-5.8-18.el8_3.1.aarch64.rpm
net-snmp-debugsource-5.8-18.el8_3.1.aarch64.rpm
net-snmp-libs-5.8-18.el8_3.1.aarch64.rpm
net-snmp-libs-debuginfo-5.8-18.el8_3.1.aarch64.rpm
net-snmp-perl-debuginfo-5.8-18.el8_3.1.aarch64.rpm
net-snmp-utils-debuginfo-5.8-18.el8_3.1.aarch64.rpm

ppc64le:
net-snmp-agent-libs-debuginfo-5.8-18.el8_3.1.ppc64le.rpm
net-snmp-debuginfo-5.8-18.el8_3.1.ppc64le.rpm
net-snmp-debugsource-5.8-18.el8_3.1.ppc64le.rpm
net-snmp-libs-5.8-18.el8_3.1.ppc64le.rpm
net-snmp-libs-debuginfo-5.8-18.el8_3.1.ppc64le.rpm
net-snmp-perl-debuginfo-5.8-18.el8_3.1.ppc64le.rpm
net-snmp-utils-debuginfo-5.8-18.el8_3.1.ppc64le.rpm

s390x:
net-snmp-agent-libs-debuginfo-5.8-18.el8_3.1.s390x.rpm
net-snmp-debuginfo-5.8-18.el8_3.1.s390x.rpm
net-snmp-debugsource-5.8-18.el8_3.1.s390x.rpm
net-snmp-libs-5.8-18.el8_3.1.s390x.rpm
net-snmp-libs-debuginfo-5.8-18.el8_3.1.s390x.rpm
net-snmp-perl-debuginfo-5.8-18.el8_3.1.s390x.rpm
net-snmp-utils-debuginfo-5.8-18.el8_3.1.s390x.rpm

x86_64:
net-snmp-agent-libs-debuginfo-5.8-18.el8_3.1.i686.rpm
net-snmp-agent-libs-debuginfo-5.8-18.el8_3.1.x86_64.rpm
net-snmp-debuginfo-5.8-18.el8_3.1.i686.rpm
net-snmp-debuginfo-5.8-18.el8_3.1.x86_64.rpm
net-snmp-debugsource-5.8-18.el8_3.1.i686.rpm
net-snmp-debugsource-5.8-18.el8_3.1.x86_64.rpm
net-snmp-libs-5.8-18.el8_3.1.i686.rpm
net-snmp-libs-5.8-18.el8_3.1.x86_64.rpm
net-snmp-libs-debuginfo-5.8-18.el8_3.1.i686.rpm
net-snmp-libs-debuginfo-5.8-18.el8_3.1.x86_64.rpm
net-snmp-perl-debuginfo-5.8-18.el8_3.1.i686.rpm
net-snmp-perl-debuginfo-5.8-18.el8_3.1.x86_64.rpm
net-snmp-utils-debuginfo-5.8-18.el8_3.1.i686.rpm
net-snmp-utils-debuginfo-5.8-18.el8_3.1.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 2020 Red Hat, Inc.
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