drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Pufferüberlauf in ntp
Name: |
Pufferüberlauf in ntp |
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ID: |
RHSA-2018:3853-01 |
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Distribution: |
Red Hat |
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Plattformen: |
Red Hat Enterprise Linux |
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Datum: |
Mi, 19. Dezember 2018, 23:21 |
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Referenzen: |
https://access.redhat.com/security/cve/CVE-2018-12327 |
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Applikationen: |
NTP |
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Originalnachricht |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256
===================================================================== Red Hat Security Advisory
Synopsis: Low: ntp security update Advisory ID: RHSA-2018:3853-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2018:3853 Issue date: 2018-12-19 CVE Names: CVE-2018-12327 =====================================================================
1. Summary:
An update for ntp is now available for Red Hat Enterprise Linux 6.7 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 HPC Node EUS (v. 6.7) - x86_64 Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.7) - noarch, x86_64 Red Hat Enterprise Linux Server EUS (v. 6.7) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional EUS (v. 6.7) - i386, noarch, ppc64, s390x, 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 HPC Node EUS (v. 6.7):
Source: ntp-4.2.6p5-5.el6_7.6.src.rpm
x86_64: ntp-4.2.6p5-5.el6_7.6.x86_64.rpm ntp-debuginfo-4.2.6p5-5.el6_7.6.x86_64.rpm ntpdate-4.2.6p5-5.el6_7.6.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional EUS (v. 6.7):
noarch: ntp-doc-4.2.6p5-5.el6_7.6.noarch.rpm
x86_64: ntp-debuginfo-4.2.6p5-5.el6_7.6.x86_64.rpm ntp-perl-4.2.6p5-5.el6_7.6.x86_64.rpm
Red Hat Enterprise Linux Server EUS (v. 6.7):
Source: ntp-4.2.6p5-5.el6_7.6.src.rpm
i386: ntp-4.2.6p5-5.el6_7.6.i686.rpm ntp-debuginfo-4.2.6p5-5.el6_7.6.i686.rpm ntpdate-4.2.6p5-5.el6_7.6.i686.rpm
ppc64: ntp-4.2.6p5-5.el6_7.6.ppc64.rpm ntp-debuginfo-4.2.6p5-5.el6_7.6.ppc64.rpm ntpdate-4.2.6p5-5.el6_7.6.ppc64.rpm
s390x: ntp-4.2.6p5-5.el6_7.6.s390x.rpm ntp-debuginfo-4.2.6p5-5.el6_7.6.s390x.rpm ntpdate-4.2.6p5-5.el6_7.6.s390x.rpm
x86_64: ntp-4.2.6p5-5.el6_7.6.x86_64.rpm ntp-debuginfo-4.2.6p5-5.el6_7.6.x86_64.rpm ntpdate-4.2.6p5-5.el6_7.6.x86_64.rpm
Red Hat Enterprise Linux Server Optional EUS (v. 6.7):
i386: ntp-debuginfo-4.2.6p5-5.el6_7.6.i686.rpm ntp-perl-4.2.6p5-5.el6_7.6.i686.rpm
noarch: ntp-doc-4.2.6p5-5.el6_7.6.noarch.rpm
ppc64: ntp-debuginfo-4.2.6p5-5.el6_7.6.ppc64.rpm ntp-perl-4.2.6p5-5.el6_7.6.ppc64.rpm
s390x: ntp-debuginfo-4.2.6p5-5.el6_7.6.s390x.rpm ntp-perl-4.2.6p5-5.el6_7.6.s390x.rpm
x86_64: ntp-debuginfo-4.2.6p5-5.el6_7.6.x86_64.rpm ntp-perl-4.2.6p5-5.el6_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-2018-12327 https://access.redhat.com/security/updates/classification/#low
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/
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