-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Low: ntp security update Advisory ID: RHSA-2020:1470-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2020:1470 Issue date: 2020-04-14 CVE Names: CVE-2018-12327 ===================================================================== 1. Summary: An update for ntp is now available for Red Hat Enterprise Linux 7.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Low. 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. 7.6) - x86_64 Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6) - noarch, x86_64 Red Hat Enterprise Linux Server EUS (v. 7.6) - ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 7.6) - noarch, ppc64, ppc64le, s390x, x86_64 Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, noarch, ppc64le, s390x 3. Description: The Network Time Protocol (NTP) is used to synchronize a computer's time with another referenced time source. These packages include the ntpd service which continuously adjusts system time and utilities used to query and configure the ntpd service. Security Fix(es): * ntp: Stack-based buffer overflow in ntpq and ntpdc allows denial of service or code execution (CVE-2018-12327) 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 After installing this update, the ntpd daemon will restart automatically. 5. Bugs fixed (https://bugzilla.redhat.com/): 1593580 - CVE-2018-12327 ntp: Stack-based buffer overflow in ntpq and ntpdc allows denial of service or code execution 6. Package List: Red Hat Enterprise Linux ComputeNode EUS (v. 7.6): Source: ntp-4.2.6p5-28.el7_6.1.src.rpm x86_64: ntp-4.2.6p5-28.el7_6.1.x86_64.rpm ntp-debuginfo-4.2.6p5-28.el7_6.1.x86_64.rpm ntpdate-4.2.6p5-28.el7_6.1.x86_64.rpm Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.6): noarch: ntp-doc-4.2.6p5-28.el7_6.1.noarch.rpm ntp-perl-4.2.6p5-28.el7_6.1.noarch.rpm x86_64: ntp-debuginfo-4.2.6p5-28.el7_6.1.x86_64.rpm sntp-4.2.6p5-28.el7_6.1.x86_64.rpm Red Hat Enterprise Linux Server EUS (v. 7.6): Source: ntp-4.2.6p5-28.el7_6.1.src.rpm ppc64: ntp-4.2.6p5-28.el7_6.1.ppc64.rpm ntp-debuginfo-4.2.6p5-28.el7_6.1.ppc64.rpm ntpdate-4.2.6p5-28.el7_6.1.ppc64.rpm ppc64le: ntp-4.2.6p5-28.el7_6.1.ppc64le.rpm ntp-debuginfo-4.2.6p5-28.el7_6.1.ppc64le.rpm ntpdate-4.2.6p5-28.el7_6.1.ppc64le.rpm s390x: ntp-4.2.6p5-28.el7_6.1.s390x.rpm ntp-debuginfo-4.2.6p5-28.el7_6.1.s390x.rpm ntpdate-4.2.6p5-28.el7_6.1.s390x.rpm x86_64: ntp-4.2.6p5-28.el7_6.1.x86_64.rpm ntp-debuginfo-4.2.6p5-28.el7_6.1.x86_64.rpm ntpdate-4.2.6p5-28.el7_6.1.x86_64.rpm Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7): Source: ntp-4.2.6p5-28.el7_6.1.src.rpm aarch64: ntp-4.2.6p5-28.el7_6.1.aarch64.rpm ntp-debuginfo-4.2.6p5-28.el7_6.1.aarch64.rpm ntpdate-4.2.6p5-28.el7_6.1.aarch64.rpm ppc64le: ntp-4.2.6p5-28.el7_6.1.ppc64le.rpm ntp-debuginfo-4.2.6p5-28.el7_6.1.ppc64le.rpm ntpdate-4.2.6p5-28.el7_6.1.ppc64le.rpm s390x: ntp-4.2.6p5-28.el7_6.1.s390x.rpm ntp-debuginfo-4.2.6p5-28.el7_6.1.s390x.rpm ntpdate-4.2.6p5-28.el7_6.1.s390x.rpm Red Hat Enterprise Linux Server Optional EUS (v. 7.6): noarch: ntp-doc-4.2.6p5-28.el7_6.1.noarch.rpm ntp-perl-4.2.6p5-28.el7_6.1.noarch.rpm ppc64: ntp-debuginfo-4.2.6p5-28.el7_6.1.ppc64.rpm sntp-4.2.6p5-28.el7_6.1.ppc64.rpm ppc64le: ntp-debuginfo-4.2.6p5-28.el7_6.1.ppc64le.rpm sntp-4.2.6p5-28.el7_6.1.ppc64le.rpm s390x: ntp-debuginfo-4.2.6p5-28.el7_6.1.s390x.rpm sntp-4.2.6p5-28.el7_6.1.s390x.rpm x86_64: ntp-debuginfo-4.2.6p5-28.el7_6.1.x86_64.rpm sntp-4.2.6p5-28.el7_6.1.x86_64.rpm Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7): aarch64: ntp-debuginfo-4.2.6p5-28.el7_6.1.aarch64.rpm sntp-4.2.6p5-28.el7_6.1.aarch64.rpm noarch: ntp-doc-4.2.6p5-28.el7_6.1.noarch.rpm ntp-perl-4.2.6p5-28.el7_6.1.noarch.rpm ppc64le: ntp-debuginfo-4.2.6p5-28.el7_6.1.ppc64le.rpm sntp-4.2.6p5-28.el7_6.1.ppc64le.rpm s390x: ntp-debuginfo-4.2.6p5-28.el7_6.1.s390x.rpm sntp-4.2.6p5-28.el7_6.1.s390x.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-2018-12327 https://access.redhat.com/security/updates/classification/#low 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2020 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXpX189zjgjWX9erEAQiHwg//ZpvjQ1n+z1UTHcWnXF8wSdCY7Bxkk0Xo bL1rkCPEOqc6j91Bx21zYne4MjGEKxGyyPNVQJ6szAG/IBt1OXe19iO+lzsYcfPr dSYRaRmv6x1Ak/yLzN2VIS1v2/V2s0ZLVTkO65h/0znNkz9YqJlOGDkG1qG4x2lH bnOgFx8lwFts29JvkFIhvo37fa1yu+CUqwMrsW3x10MBYeir0N355Sw9PyXn3vbv 0YMWVMRrRlgBw2nTujUt3q6eXpBP9z7jJkhaO2yooPvwXM6AnSGhhhcDk8i43qIM 3a2AORXciBxaZ7pmw0CumiTZVhJZ/X1NdDXJ5w4z/VDBfILA5hpe2WnGztoHyIy3 05Th6+9WXqsChAL3jzLcpMADwDKXPNbjJS3LA/CWmFjI5T3n3nfcfPRG5fAtV2Kk M1HjAeMPRyoz6EI9dlk8MDhBmmJPi/+RTmDV/vFzdntaLBAja4fDYzbwgiJuFtFP rpqG+tpb4qC3RVY9LfvyGic5zMyMhEfjyVp4IcIQBqzMVprb6q/pKAdS7aDhxtDb cI3mDVQTKmU9/9+D6ES50+hiImf3hLkNruEt6KmnPdOxBO7IINVm7Y0heoKarQ++ bT8sDKppcg5vFoRmoLUFMbfa91GLTpV+JLaU8F/VQTNaEpYsBihaGPNpEPOWNd8D RYYqzIy6m6s= =Nb06 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce