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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2020.2055 net-snmp security and bug fix update 15 June 2020 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: net-snmp Publisher: Red Hat Operating System: Red Hat Enterprise Linux Server 7 Red Hat Enterprise Linux WS/Desktop 7 Red Hat Impact/Access: Denial of Service -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2018-18066 Reference: ASB-2019.0300 ESB-2020.1129 Original Bulletin: https://access.redhat.com/errata/RHSA-2020:2539 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: net-snmp security and bug fix update Advisory ID: RHSA-2020:2539-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:2539 Issue date: 2020-06-11 CVE Names: CVE-2018-18066 ===================================================================== 1. Summary: An update for net-snmp is now available for Red Hat Enterprise Linux 7.7 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. 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 ComputeNode EUS (v. 7.7) - x86_64 Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) - x86_64 Red Hat Enterprise Linux Server EUS (v. 7.7) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 7.7) - ppc64, 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: NULL pointer exception in snmp_oid_compare in snmplib/snmp_api.c resulting in a denial of service (CVE-2018-18066) 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): * snmpd crashes due to double-free when freeing security context (BZ#1812938) * net-snmp memory leak (BZ#1832223) 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/): 1637572 - CVE-2018-18066 net-snmp: NULL pointer exception in snmp_oid_compare in snmplib/snmp_api.c resulting in a denial of service 1812938 - snmpd crashes due to double-free when freeing security context [rhel-7.7.z] 1832223 - net-snmp memory leak [rhel-7.7.z] 6. Package List: Red Hat Enterprise Linux ComputeNode EUS (v. 7.7): Source: net-snmp-5.7.2-43.el7_7.6.src.rpm x86_64: net-snmp-5.7.2-43.el7_7.6.x86_64.rpm net-snmp-agent-libs-5.7.2-43.el7_7.6.i686.rpm net-snmp-agent-libs-5.7.2-43.el7_7.6.x86_64.rpm net-snmp-debuginfo-5.7.2-43.el7_7.6.i686.rpm net-snmp-debuginfo-5.7.2-43.el7_7.6.x86_64.rpm net-snmp-libs-5.7.2-43.el7_7.6.i686.rpm net-snmp-libs-5.7.2-43.el7_7.6.x86_64.rpm net-snmp-utils-5.7.2-43.el7_7.6.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7): x86_64: net-snmp-debuginfo-5.7.2-43.el7_7.6.i686.rpm net-snmp-debuginfo-5.7.2-43.el7_7.6.x86_64.rpm net-snmp-devel-5.7.2-43.el7_7.6.i686.rpm net-snmp-devel-5.7.2-43.el7_7.6.x86_64.rpm net-snmp-gui-5.7.2-43.el7_7.6.x86_64.rpm net-snmp-perl-5.7.2-43.el7_7.6.x86_64.rpm net-snmp-python-5.7.2-43.el7_7.6.x86_64.rpm net-snmp-sysvinit-5.7.2-43.el7_7.6.x86_64.rpm Red Hat Enterprise Linux Server EUS (v. 7.7): Source: net-snmp-5.7.2-43.el7_7.6.src.rpm ppc64: net-snmp-5.7.2-43.el7_7.6.ppc64.rpm net-snmp-agent-libs-5.7.2-43.el7_7.6.ppc.rpm net-snmp-agent-libs-5.7.2-43.el7_7.6.ppc64.rpm net-snmp-debuginfo-5.7.2-43.el7_7.6.ppc.rpm net-snmp-debuginfo-5.7.2-43.el7_7.6.ppc64.rpm net-snmp-devel-5.7.2-43.el7_7.6.ppc.rpm net-snmp-devel-5.7.2-43.el7_7.6.ppc64.rpm net-snmp-libs-5.7.2-43.el7_7.6.ppc.rpm net-snmp-libs-5.7.2-43.el7_7.6.ppc64.rpm net-snmp-utils-5.7.2-43.el7_7.6.ppc64.rpm ppc64le: net-snmp-5.7.2-43.el7_7.6.ppc64le.rpm net-snmp-agent-libs-5.7.2-43.el7_7.6.ppc64le.rpm net-snmp-debuginfo-5.7.2-43.el7_7.6.ppc64le.rpm net-snmp-devel-5.7.2-43.el7_7.6.ppc64le.rpm net-snmp-libs-5.7.2-43.el7_7.6.ppc64le.rpm net-snmp-utils-5.7.2-43.el7_7.6.ppc64le.rpm s390x: net-snmp-5.7.2-43.el7_7.6.s390x.rpm net-snmp-agent-libs-5.7.2-43.el7_7.6.s390.rpm net-snmp-agent-libs-5.7.2-43.el7_7.6.s390x.rpm net-snmp-debuginfo-5.7.2-43.el7_7.6.s390.rpm net-snmp-debuginfo-5.7.2-43.el7_7.6.s390x.rpm net-snmp-devel-5.7.2-43.el7_7.6.s390.rpm net-snmp-devel-5.7.2-43.el7_7.6.s390x.rpm net-snmp-libs-5.7.2-43.el7_7.6.s390.rpm net-snmp-libs-5.7.2-43.el7_7.6.s390x.rpm net-snmp-utils-5.7.2-43.el7_7.6.s390x.rpm x86_64: net-snmp-5.7.2-43.el7_7.6.x86_64.rpm net-snmp-agent-libs-5.7.2-43.el7_7.6.i686.rpm net-snmp-agent-libs-5.7.2-43.el7_7.6.x86_64.rpm net-snmp-debuginfo-5.7.2-43.el7_7.6.i686.rpm net-snmp-debuginfo-5.7.2-43.el7_7.6.x86_64.rpm net-snmp-devel-5.7.2-43.el7_7.6.i686.rpm net-snmp-devel-5.7.2-43.el7_7.6.x86_64.rpm net-snmp-libs-5.7.2-43.el7_7.6.i686.rpm net-snmp-libs-5.7.2-43.el7_7.6.x86_64.rpm net-snmp-utils-5.7.2-43.el7_7.6.x86_64.rpm Red Hat Enterprise Linux Server Optional EUS (v. 7.7): ppc64: net-snmp-debuginfo-5.7.2-43.el7_7.6.ppc64.rpm net-snmp-gui-5.7.2-43.el7_7.6.ppc64.rpm net-snmp-perl-5.7.2-43.el7_7.6.ppc64.rpm net-snmp-python-5.7.2-43.el7_7.6.ppc64.rpm net-snmp-sysvinit-5.7.2-43.el7_7.6.ppc64.rpm ppc64le: net-snmp-debuginfo-5.7.2-43.el7_7.6.ppc64le.rpm net-snmp-gui-5.7.2-43.el7_7.6.ppc64le.rpm net-snmp-perl-5.7.2-43.el7_7.6.ppc64le.rpm net-snmp-python-5.7.2-43.el7_7.6.ppc64le.rpm net-snmp-sysvinit-5.7.2-43.el7_7.6.ppc64le.rpm s390x: net-snmp-debuginfo-5.7.2-43.el7_7.6.s390x.rpm net-snmp-gui-5.7.2-43.el7_7.6.s390x.rpm net-snmp-perl-5.7.2-43.el7_7.6.s390x.rpm net-snmp-python-5.7.2-43.el7_7.6.s390x.rpm net-snmp-sysvinit-5.7.2-43.el7_7.6.s390x.rpm x86_64: net-snmp-debuginfo-5.7.2-43.el7_7.6.x86_64.rpm net-snmp-gui-5.7.2-43.el7_7.6.x86_64.rpm net-snmp-perl-5.7.2-43.el7_7.6.x86_64.rpm net-snmp-python-5.7.2-43.el7_7.6.x86_64.rpm net-snmp-sysvinit-5.7.2-43.el7_7.6.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-2018-18066 https://access.redhat.com/security/updates/classification/#moderate 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. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXuN9UtzjgjWX9erEAQitWw/9EX6MVfhzjptqsRri5BKSRMV6n1P1+OxP R9oBGowxFZ5aG/F3mMBB8v5WVDTbP8fEyFBVPDypiQIN4MLVWIyyagLemE7H2nQC B0eLjSBuj4i0Z6QUVH6/nF8yAceueG9MavYWzmm0FPQhdqiNPr6ZopqVGi9/M9yn RF7NI5strZ+hnVaMnpIsnd85awnRRSABpRehwQicQtTPP4Ho1QjCZ6Wge59VJ0Tl lXLPnkWCItVUtkYQHd/tyQ4YHU5IsHgfd1C9f/JM25L176XqBQ6keWeDXqqIeIhS ae4iM1uPWOEaohicLHPU9oXS7hd9RPKFoLnbymCFaEehPGHdZ8O+05+KY88GRqKR slUNoX8fZiZqUXkvimiaG4N82KLo1tF47wivXakmVg0O3P9Sje+qau9RaiESJgS8 TBQceikjUtOFyzWseJgCGQ3Qs7/4/SJJOt7mIK0FFr8uvRfsB4ei8SYKXEd/7t09 FHZ7wmm4q6T60YxjTbP+2bpc7UfCQum6BwEpisg+eUj6d+JZNmlbFE82v2qp8SPM lxxDDkNq+hTMURoUUnuGPzAFZuiKDAC2pClcTXI24YPm+N1CkwUyt7fT8AS8XEV1 Qj9ov5XZ7V/d5cb/P3+TwzY2MQjnT6lWwAOMzHHJ+fUL5W1WngMfgg0Kf2lv4ll5 6UNPJSlYBIQ= =IKx8 - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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