Security update for dnsdist

Announcement ID: SUSE-SU-2023:2777-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2016-7069 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2017-7557 ( NVD ): 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • CVE-2018-14663 ( NVD ): 5.9 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Products:
  • SUSE Linux Enterprise Server 15 SP1
  • SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1
  • SUSE Linux Enterprise Server 15 SP2
  • SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2
  • SUSE Linux Enterprise Server 15 SP3
  • SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3
  • SUSE Linux Enterprise Server for SAP Applications 15 SP1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP2

An update that solves three vulnerabilities can now be installed.

Description:

This update for dnsdist fixes the following issues:

  • Implements package 'dnsdist' with version 1.8.0 in SLE15. (jsc#PED-3402)
  • Downstream DNS resolver configuration should be chosen by the admin
  • Security fix: fixes a possible record smugging with a crafted DNS query with trailing data (CVE-2018-14663, bsc#1114511)
  • Security fix: There is an issue that can lead to a denial of service on 32-bit if a backend sends crafted answers. (CVE-2016-7069, bsc#1054799)
  • Security fix: Alteration of dnsdist's ACL if the API is enabled, writable and an authenticated user is tricked into visiting a crafted website. (CVE-2017-7557, bsc#1054799)
  • SNMP support, exporting statistics and sending traps
  • Preventing the packet cache from ageing responses when deployed in
  • Various DNSCrypt-related fixes and improvements, including automatic key rotation

Patch Instructions:

To install this SUSE 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 Server 15 SP1 LTSS 15-SP1
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP1-LTSS-2023-2777=1
  • SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP2-LTSS-2023-2777=1
  • SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3
    zypper in -t patch SUSE-SLE-Product-SLES-15-SP3-LTSS-2023-2777=1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP1
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP1-2023-2777=1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP2
    zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP2-2023-2777=1

Package List:

  • SUSE Linux Enterprise Server 15 SP1 LTSS 15-SP1 (aarch64 x86_64)
    • dnsdist-1.8.0-150100.3.5.1
    • dnsdist-debugsource-1.8.0-150100.3.5.1
    • dnsdist-debuginfo-1.8.0-150100.3.5.1
  • SUSE Linux Enterprise Server 15 SP2 LTSS 15-SP2 (aarch64 x86_64)
    • dnsdist-1.8.0-150100.3.5.1
    • dnsdist-debugsource-1.8.0-150100.3.5.1
    • dnsdist-debuginfo-1.8.0-150100.3.5.1
  • SUSE Linux Enterprise Server 15 SP3 LTSS 15-SP3 (aarch64 x86_64)
    • dnsdist-1.8.0-150100.3.5.1
    • dnsdist-debugsource-1.8.0-150100.3.5.1
    • dnsdist-debuginfo-1.8.0-150100.3.5.1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP1 (x86_64)
    • dnsdist-1.8.0-150100.3.5.1
    • dnsdist-debugsource-1.8.0-150100.3.5.1
    • dnsdist-debuginfo-1.8.0-150100.3.5.1
  • SUSE Linux Enterprise Server for SAP Applications 15 SP2 (x86_64)
    • dnsdist-1.8.0-150100.3.5.1
    • dnsdist-debugsource-1.8.0-150100.3.5.1
    • dnsdist-debuginfo-1.8.0-150100.3.5.1

References: