SUSE-SU-2023:2609-1: moderate: Security update for ntp

[sle-security-updates at lists.suse.com]

# Security update for ntp

Announcement ID: SUSE-SU-2023:2609-1  
Rating: moderate  
References:

  * #1210390

  
Cross-References:

  * CVE-2023-26555

  
CVSS scores:

  * CVE-2023-26555 ( SUSE ):  5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  * CVE-2023-26555 ( NVD ):  6.4 CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5

  
  
An update that solves one vulnerability can now be installed.

## Description:

This update for ntp fixes the following issues:

ntp was updated to 4.2.8p17:

  * Fix some regressions of 4.2.8p16

Update to 4.2.8p16:

  * [Sec 3808] Assertion failure in ntpq on malformed RT-11 date
  * [Sec 3807], bsc#1210390, CVE-2023-26555: praecis_parse() in the Palisade
    refclock driver has a hypothetical input buffer overflow.
  * [Sec 3767] An OOB KoD RATE value triggers an assertion when debug is
    enabled.
  * Multiple bug fixes and improvements. For details, see
    /usr/share/doc/packages/ntp/ChangeLog

http://www.ntp.org/support/securitynotice/4_2_8-series-changelog/

  * CVE-2023-26555: Fixed assertion failure on malformed RT-11 dates
    (bsc#1210390).

## Patch Instructions:

To install this SUSE Moderate update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".  
Alternatively you can run the command listed for your product:

  * SUSE Linux Enterprise High Performance Computing 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-2609=1

  * SUSE Linux Enterprise Server 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-2609=1

  * SUSE Linux Enterprise Server for SAP Applications 12 SP5  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2023-2609=1

## Package List:

  * SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64)
    * ntp-4.2.8p17-103.1
    * ntp-debugsource-4.2.8p17-103.1
    * ntp-debuginfo-4.2.8p17-103.1
    * ntp-doc-4.2.8p17-103.1
  * SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64)
    * ntp-4.2.8p17-103.1
    * ntp-debugsource-4.2.8p17-103.1
    * ntp-debuginfo-4.2.8p17-103.1
    * ntp-doc-4.2.8p17-103.1
  * SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64)
    * ntp-4.2.8p17-103.1
    * ntp-debugsource-4.2.8p17-103.1
    * ntp-debuginfo-4.2.8p17-103.1
    * ntp-doc-4.2.8p17-103.1

## References:

  * https://www.suse.com/security/cve/CVE-2023-26555.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1210390

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