-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Low: ntp security update Advisory ID: RHSA-2018:3854-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2018:3854 Issue date: 2018-12-19 CVE Names: CVE-2018-12327 ==================================================================== 1. Summary: An update for ntp is now available for Red Hat Enterprise Linux 6. 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 Desktop (v. 6) - i386, x86_64 Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, noarch, x86_64 Red Hat Enterprise Linux HPC Node (v. 6) - x86_64 Red Hat Enterprise Linux HPC Node Optional (v. 6) - noarch, x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 6) - i386, noarch, ppc64, s390x, x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, noarch, x86_64 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, 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 Desktop (v. 6): Source: ntp-4.2.6p5-15.el6_10.src.rpm i386: ntp-4.2.6p5-15.el6_10.i686.rpm ntp-debuginfo-4.2.6p5-15.el6_10.i686.rpm ntpdate-4.2.6p5-15.el6_10.i686.rpm x86_64: ntp-4.2.6p5-15.el6_10.x86_64.rpm ntp-debuginfo-4.2.6p5-15.el6_10.x86_64.rpm ntpdate-4.2.6p5-15.el6_10.x86_64.rpm Red Hat Enterprise Linux Desktop Optional (v. 6): i386: ntp-debuginfo-4.2.6p5-15.el6_10.i686.rpm ntp-perl-4.2.6p5-15.el6_10.i686.rpm noarch: ntp-doc-4.2.6p5-15.el6_10.noarch.rpm x86_64: ntp-debuginfo-4.2.6p5-15.el6_10.x86_64.rpm ntp-perl-4.2.6p5-15.el6_10.x86_64.rpm Red Hat Enterprise Linux HPC Node (v. 6): Source: ntp-4.2.6p5-15.el6_10.src.rpm x86_64: ntp-4.2.6p5-15.el6_10.x86_64.rpm ntp-debuginfo-4.2.6p5-15.el6_10.x86_64.rpm ntpdate-4.2.6p5-15.el6_10.x86_64.rpm Red Hat Enterprise Linux HPC Node Optional (v. 6): noarch: ntp-doc-4.2.6p5-15.el6_10.noarch.rpm x86_64: ntp-debuginfo-4.2.6p5-15.el6_10.x86_64.rpm ntp-perl-4.2.6p5-15.el6_10.x86_64.rpm Red Hat Enterprise Linux Server (v. 6): Source: ntp-4.2.6p5-15.el6_10.src.rpm i386: ntp-4.2.6p5-15.el6_10.i686.rpm ntp-debuginfo-4.2.6p5-15.el6_10.i686.rpm ntpdate-4.2.6p5-15.el6_10.i686.rpm ppc64: ntp-4.2.6p5-15.el6_10.ppc64.rpm ntp-debuginfo-4.2.6p5-15.el6_10.ppc64.rpm ntpdate-4.2.6p5-15.el6_10.ppc64.rpm s390x: ntp-4.2.6p5-15.el6_10.s390x.rpm ntp-debuginfo-4.2.6p5-15.el6_10.s390x.rpm ntpdate-4.2.6p5-15.el6_10.s390x.rpm x86_64: ntp-4.2.6p5-15.el6_10.x86_64.rpm ntp-debuginfo-4.2.6p5-15.el6_10.x86_64.rpm ntpdate-4.2.6p5-15.el6_10.x86_64.rpm Red Hat Enterprise Linux Server Optional (v. 6): i386: ntp-debuginfo-4.2.6p5-15.el6_10.i686.rpm ntp-perl-4.2.6p5-15.el6_10.i686.rpm noarch: ntp-doc-4.2.6p5-15.el6_10.noarch.rpm ppc64: ntp-debuginfo-4.2.6p5-15.el6_10.ppc64.rpm ntp-perl-4.2.6p5-15.el6_10.ppc64.rpm s390x: ntp-debuginfo-4.2.6p5-15.el6_10.s390x.rpm ntp-perl-4.2.6p5-15.el6_10.s390x.rpm x86_64: ntp-debuginfo-4.2.6p5-15.el6_10.x86_64.rpm ntp-perl-4.2.6p5-15.el6_10.x86_64.rpm Red Hat Enterprise Linux Workstation (v. 6): Source: ntp-4.2.6p5-15.el6_10.src.rpm i386: ntp-4.2.6p5-15.el6_10.i686.rpm ntp-debuginfo-4.2.6p5-15.el6_10.i686.rpm ntpdate-4.2.6p5-15.el6_10.i686.rpm x86_64: ntp-4.2.6p5-15.el6_10.x86_64.rpm ntp-debuginfo-4.2.6p5-15.el6_10.x86_64.rpm ntpdate-4.2.6p5-15.el6_10.x86_64.rpm Red Hat Enterprise Linux Workstation Optional (v. 6): i386: ntp-debuginfo-4.2.6p5-15.el6_10.i686.rpm ntp-perl-4.2.6p5-15.el6_10.i686.rpm noarch: ntp-doc-4.2.6p5-15.el6_10.noarch.rpm x86_64: ntp-debuginfo-4.2.6p5-15.el6_10.x86_64.rpm ntp-perl-4.2.6p5-15.el6_10.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-2018-12327 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 2018 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBXBqCANzjgjWX9erEAQhJ2BAAnWOh4WfWbKDodq9IC3jVdbEyjUkj4Jas vhob6bqgmYtf8irMnI+/ck3uLQysZm2GzjOrTkMfQdvVWOVCppCyeXOvG3Xls9YU tFRBuWJ+8bMQc6isNt/y4SSB1iISs1E54uqjpnwGLdx0ZLka+Ax3KRqdhaRKRhMn hM9/WnY512DLU2rhXx2kBDjVdRtLfmKK35cuqgxeZyeRlflGMDMMOa98CLE9tizo kLgu6PagIuCWKScSCoqc21IRTIAbK6VNHrRgGzPuUNplZsLfpdL+nKwQoA1rXMC+ tkWpJn6STJv1BWBYb3+fDERx7UsN9OG1vD7g06PoqeYhqcQxeqaHplB70Ex8/xF3 Fo2vBnGg9Rc4X54Pu7X9N6d3a73E+3UpIQUUwK+2Ol9AErgPCYjculJ1S5U/eG8v pqwCq+8Zuf7y8QPM5Jzmi/iiCm+rbbUggtU+TT0N/qfRJZeVjxYYJB7Bs8EV8RTC nlo3KB5ReBnr7JR3irc/UkkiwcORWYsMDoUHjuPTQfddlHNzRlHUc3vaXsakGY94 G2f5fNDC4PoH2VQcNdJJq2bpyduN7GWMfFTSXaPan6rRcXtDRsjTPxqGKuh3X6Tg BcyiJhQDBMiDva+A0EcyD8RnJXjE8Naq7dxqy3mNls4CemvxEQpwV//BuWfVghuT vl9Y6iAl5K0=Ux0J -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce