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Red Hat Enterprise Linux 8 RHSA-2020-5480 Important: Net-SNMP Privilege Fix

red hat
Calendar Grey December 15, 2020
Dist Redhat Esm H88
An essential update from Red Hat tackles vulnerabilities in net-snmp for Enterprise Linux 8. Apply this patch to bolster your system's security.
An update for net-snmp is now available for Red Hat Enterprise Linux 8

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

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)

Topics%20covered

Topics Covered

security advisory security issue bug fix Red Hat Enterprise Linux important red hat enterprise net-snmp important update privilege management

References

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

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

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

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

Topic

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 impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security issue bug fix Red Hat Enterprise Linux important red hat enterprise net-snmp important update privilege management

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

Bugs Fixed

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]

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