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Sigurnosni nedostatak programskog paketa ntp

  • Detalji os-a: WN7
  • Važnost: IMP
  • Operativni sustavi: L
  • Kategorije: LRH

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Red Hat Security Advisory

Synopsis: Low: ntp security, bug fix, and enhancement update
Advisory ID: RHSA-2019:2077-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2019:2077
Issue date: 2019-08-06
CVE Names: CVE-2018-12327
=====================================================================

1. Summary:

An update for ntp is now available for Red Hat Enterprise Linux 7.

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 Client (v. 7) – x86_64
Red Hat Enterprise Linux Client Optional (v. 7) – noarch, x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) – x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) – noarch, x86_64
Red Hat Enterprise Linux Server (v. 7) – ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) – noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) – x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) – 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, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.7 Release Notes linked from 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/):

1550637 – Server time not being synchronised with NTP after upgrading ntp packages
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 Client (v. 7):

Source:
ntp-4.2.6p5-29.el7.src.rpm

x86_64:
ntp-4.2.6p5-29.el7.x86_64.rpm
ntp-debuginfo-4.2.6p5-29.el7.x86_64.rpm
ntpdate-4.2.6p5-29.el7.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

noarch:
ntp-doc-4.2.6p5-29.el7.noarch.rpm
ntp-perl-4.2.6p5-29.el7.noarch.rpm

x86_64:
ntp-debuginfo-4.2.6p5-29.el7.x86_64.rpm
sntp-4.2.6p5-29.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
ntp-4.2.6p5-29.el7.src.rpm

x86_64:
ntp-4.2.6p5-29.el7.x86_64.rpm
ntp-debuginfo-4.2.6p5-29.el7.x86_64.rpm
ntpdate-4.2.6p5-29.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

noarch:
ntp-doc-4.2.6p5-29.el7.noarch.rpm
ntp-perl-4.2.6p5-29.el7.noarch.rpm

x86_64:
ntp-debuginfo-4.2.6p5-29.el7.x86_64.rpm
sntp-4.2.6p5-29.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
ntp-4.2.6p5-29.el7.src.rpm

ppc64:
ntp-4.2.6p5-29.el7.ppc64.rpm
ntp-debuginfo-4.2.6p5-29.el7.ppc64.rpm
ntpdate-4.2.6p5-29.el7.ppc64.rpm

ppc64le:
ntp-4.2.6p5-29.el7.ppc64le.rpm
ntp-debuginfo-4.2.6p5-29.el7.ppc64le.rpm
ntpdate-4.2.6p5-29.el7.ppc64le.rpm

s390x:
ntp-4.2.6p5-29.el7.s390x.rpm
ntp-debuginfo-4.2.6p5-29.el7.s390x.rpm
ntpdate-4.2.6p5-29.el7.s390x.rpm

x86_64:
ntp-4.2.6p5-29.el7.x86_64.rpm
ntp-debuginfo-4.2.6p5-29.el7.x86_64.rpm
ntpdate-4.2.6p5-29.el7.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

noarch:
ntp-doc-4.2.6p5-29.el7.noarch.rpm
ntp-perl-4.2.6p5-29.el7.noarch.rpm

ppc64:
ntp-debuginfo-4.2.6p5-29.el7.ppc64.rpm
sntp-4.2.6p5-29.el7.ppc64.rpm

ppc64le:
ntp-debuginfo-4.2.6p5-29.el7.ppc64le.rpm
sntp-4.2.6p5-29.el7.ppc64le.rpm

s390x:
ntp-debuginfo-4.2.6p5-29.el7.s390x.rpm
sntp-4.2.6p5-29.el7.s390x.rpm

x86_64:
ntp-debuginfo-4.2.6p5-29.el7.x86_64.rpm
sntp-4.2.6p5-29.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
ntp-4.2.6p5-29.el7.src.rpm

x86_64:
ntp-4.2.6p5-29.el7.x86_64.rpm
ntp-debuginfo-4.2.6p5-29.el7.x86_64.rpm
ntpdate-4.2.6p5-29.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

noarch:
ntp-doc-4.2.6p5-29.el7.noarch.rpm
ntp-perl-4.2.6p5-29.el7.noarch.rpm

x86_64:
ntp-debuginfo-4.2.6p5-29.el7.x86_64.rpm
sntp-4.2.6p5-29.el7.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
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.7_release_notes/index

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2019 Red Hat, Inc.
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AutorJosip Papratovic
Cert idNCERT-REF-2019-08-0001-ADV
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ID izvornikaCERT-ORIGID-DUMMY
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