Security update for dovecot23

Announcement ID: SUSE-SU-2019:2516-1
Rating: important
References:
Cross-References:
CVSS scores:
  • CVE-2019-11494 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2019-11494 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2019-11499 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2019-11499 ( NVD ): 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2019-11500 ( SUSE ): 8.1 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • CVE-2019-11500 ( NVD ): 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • Server Applications Module 15
  • SUSE Linux Enterprise High Performance Computing 15
  • SUSE Linux Enterprise Server 15
  • SUSE Linux Enterprise Server for SAP Applications 15

An update that solves three vulnerabilities can now be installed.

Description:

This update for dovecot23 fixes the following issue:

  • CVE-2019-11500: Fixed the NUL byte handling in IMAP and ManageSieve protocol parsers. (bsc#1145559)
  • CVE-2019-11499: Fixed a vulnerability where the submission-login would crash over a TLS secured channel (bsc#1133625).
  • CVE-2019-11494: Fixed a denial of service if the authentication is aborted by disconnecting (bsc#1133624).

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:

  • Server Applications Module 15
    zypper in -t patch SUSE-SLE-Module-Server-Applications-15-2019-2516=1

Package List:

  • Server Applications Module 15 (aarch64 ppc64le s390x x86_64)
    • dovecot23-backend-sqlite-2.3.3-4.18.1
    • dovecot23-backend-mysql-debuginfo-2.3.3-4.18.1
    • dovecot23-backend-sqlite-debuginfo-2.3.3-4.18.1
    • dovecot23-devel-2.3.3-4.18.1
    • dovecot23-fts-squat-2.3.3-4.18.1
    • dovecot23-backend-pgsql-debuginfo-2.3.3-4.18.1
    • dovecot23-2.3.3-4.18.1
    • dovecot23-fts-2.3.3-4.18.1
    • dovecot23-fts-debuginfo-2.3.3-4.18.1
    • dovecot23-backend-pgsql-2.3.3-4.18.1
    • dovecot23-debuginfo-2.3.3-4.18.1
    • dovecot23-debugsource-2.3.3-4.18.1
    • dovecot23-fts-lucene-2.3.3-4.18.1
    • dovecot23-fts-squat-debuginfo-2.3.3-4.18.1
    • dovecot23-fts-solr-2.3.3-4.18.1
    • dovecot23-fts-lucene-debuginfo-2.3.3-4.18.1
    • dovecot23-backend-mysql-2.3.3-4.18.1
    • dovecot23-fts-solr-debuginfo-2.3.3-4.18.1

References: