ESB-2019.1254 - [SUSE] openldap2: Denial of service - Remote/unauthenticated 2019-04-12

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.1254
             SUSE-SU-2019:0931-1 Security update for openldap2
                               12 April 2019

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           openldap2
Publisher:         SUSE
Operating System:  SUSE
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-17740 CVE-2017-9287 

Reference:         ESB-2017.1873
                   ESB-2017.1407
                   ESB-2017.1385

Original Bulletin: 
   https://www.suse.com/support/update/announcement/2019/suse-su-20190931-1.html

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SUSE Security Update: Security update for openldap2

______________________________________________________________________________

Announcement ID:   SUSE-SU-2019:0931-1
Rating:            important
References:        #1031702 #1037396 #1041764 #1065083 #1073313
Cross-References:  CVE-2017-17740 CVE-2017-9287
Affected Products:
                   SUSE Linux Enterprise Server for SAP 12-SP4
                   SUSE Linux Enterprise Server for SAP 12-SP3
                   SUSE Linux Enterprise Server for SAP 12-SP2
                   SUSE Linux Enterprise Server for SAP 12-SP1
                   SUSE Linux Enterprise Server for SAP 12
                   SUSE Linux Enterprise Server 12-SP1-LTSS
                   SUSE Linux Enterprise Server 12-LTSS
                   SUSE Linux Enterprise Module for Legacy Software 12
______________________________________________________________________________

An update that solves two vulnerabilities and has three fixes is now available.

Description:

This update for openldap2 fixes the following issues:
Security issues fixed:

  o CVE-2017-9287: A double free vulnerability in the mdb backend during search
    with page size 0 was fixed (bsc#1041764).
  o CVE-2017-17740: Fixed a denial of service (slapd crash) via a member MODDN
    operation that could have been triggered when both the nops module and the
    memberof overlay are enabled (bsc#1073313).


Non-security issues fixed:

  o Fix a regression in handling of non-blocking connections (bsc#1031702)
  o Fix an uninitialised variable that causes startup failure (bsc#1037396)
  o Fix libldap leaks socket descriptors issue (bsc#1065083)

Patch Instructions:

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

  o SUSE Linux Enterprise Server for SAP 12-SP4:
    zypper in -t patch SUSE-SLE-SAP-12-SP4-2019-931=1
  o SUSE Linux Enterprise Server for SAP 12-SP3:
    zypper in -t patch SUSE-SLE-SAP-12-SP3-2019-931=1
  o SUSE Linux Enterprise Server for SAP 12-SP2:
    zypper in -t patch SUSE-SLE-SAP-12-SP2-2019-931=1
  o SUSE Linux Enterprise Server for SAP 12-SP1:
    zypper in -t patch SUSE-SLE-SAP-12-SP1-2019-931=1
  o SUSE Linux Enterprise Server for SAP 12:
    zypper in -t patch SUSE-SLE-SAP-12-2019-931=1
  o SUSE Linux Enterprise Server 12-SP1-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-SP1-2019-931=1
  o SUSE Linux Enterprise Server 12-LTSS:
    zypper in -t patch SUSE-SLE-SERVER-12-2019-931=1
  o SUSE Linux Enterprise Module for Legacy Software 12:
    zypper in -t patch SUSE-SLE-Module-Legacy-12-2019-931=1

Package List:

  o SUSE Linux Enterprise Server for SAP 12-SP4 (ppc64le x86_64):
       compat-libldap-2_3-0-2.3.37-18.24.9.7
       compat-libldap-2_3-0-debuginfo-2.3.37-18.24.9.7
  o SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64):
       compat-libldap-2_3-0-2.3.37-18.24.9.7
       compat-libldap-2_3-0-debuginfo-2.3.37-18.24.9.7
  o SUSE Linux Enterprise Server for SAP 12-SP2 (ppc64le x86_64):
       compat-libldap-2_3-0-2.3.37-18.24.9.7
       compat-libldap-2_3-0-debuginfo-2.3.37-18.24.9.7
  o SUSE Linux Enterprise Server for SAP 12-SP1 (ppc64le x86_64):
       compat-libldap-2_3-0-2.3.37-18.24.9.7
       compat-libldap-2_3-0-debuginfo-2.3.37-18.24.9.7
       libldap-2_4-2-2.4.41-18.24.9.1
       libldap-2_4-2-debuginfo-2.4.41-18.24.9.1
       openldap2-2.4.41-18.24.9.7
       openldap2-back-meta-2.4.41-18.24.9.7
       openldap2-back-meta-debuginfo-2.4.41-18.24.9.7
       openldap2-client-2.4.41-18.24.9.1
       openldap2-client-debuginfo-2.4.41-18.24.9.1
       openldap2-client-debugsource-2.4.41-18.24.9.1
       openldap2-debuginfo-2.4.41-18.24.9.7
       openldap2-debugsource-2.4.41-18.24.9.7
  o SUSE Linux Enterprise Server for SAP 12-SP1 (x86_64):
       libldap-2_4-2-32bit-2.4.41-18.24.9.1
       libldap-2_4-2-debuginfo-32bit-2.4.41-18.24.9.1
  o SUSE Linux Enterprise Server for SAP 12 (x86_64):
       compat-libldap-2_3-0-2.3.37-18.24.9.7
       compat-libldap-2_3-0-debuginfo-2.3.37-18.24.9.7
       libldap-2_4-2-2.4.41-18.24.9.1
       libldap-2_4-2-32bit-2.4.41-18.24.9.1
       libldap-2_4-2-debuginfo-2.4.41-18.24.9.1
       libldap-2_4-2-debuginfo-32bit-2.4.41-18.24.9.1
       openldap2-2.4.41-18.24.9.7
       openldap2-back-meta-2.4.41-18.24.9.7
       openldap2-back-meta-debuginfo-2.4.41-18.24.9.7
       openldap2-client-2.4.41-18.24.9.1
       openldap2-client-debuginfo-2.4.41-18.24.9.1
       openldap2-client-debugsource-2.4.41-18.24.9.1
       openldap2-debuginfo-2.4.41-18.24.9.7
       openldap2-debugsource-2.4.41-18.24.9.7
  o SUSE Linux Enterprise Server 12-SP1-LTSS (ppc64le s390x x86_64):
       libldap-2_4-2-2.4.41-18.24.9.1
       libldap-2_4-2-debuginfo-2.4.41-18.24.9.1
       openldap2-2.4.41-18.24.9.7
       openldap2-back-meta-2.4.41-18.24.9.7
       openldap2-back-meta-debuginfo-2.4.41-18.24.9.7
       openldap2-client-2.4.41-18.24.9.1
       openldap2-client-debuginfo-2.4.41-18.24.9.1
       openldap2-client-debugsource-2.4.41-18.24.9.1
       openldap2-debuginfo-2.4.41-18.24.9.7
       openldap2-debugsource-2.4.41-18.24.9.7
  o SUSE Linux Enterprise Server 12-SP1-LTSS (s390x x86_64):
       libldap-2_4-2-32bit-2.4.41-18.24.9.1
       libldap-2_4-2-debuginfo-32bit-2.4.41-18.24.9.1
  o SUSE Linux Enterprise Server 12-LTSS (ppc64le s390x x86_64):
       libldap-2_4-2-2.4.41-18.24.9.1
       libldap-2_4-2-debuginfo-2.4.41-18.24.9.1
       openldap2-2.4.41-18.24.9.7
       openldap2-back-meta-2.4.41-18.24.9.7
       openldap2-back-meta-debuginfo-2.4.41-18.24.9.7
       openldap2-client-2.4.41-18.24.9.1
       openldap2-client-debuginfo-2.4.41-18.24.9.1
       openldap2-client-debugsource-2.4.41-18.24.9.1
       openldap2-debuginfo-2.4.41-18.24.9.7
       openldap2-debugsource-2.4.41-18.24.9.7
  o SUSE Linux Enterprise Server 12-LTSS (s390x x86_64):
       libldap-2_4-2-32bit-2.4.41-18.24.9.1
       libldap-2_4-2-debuginfo-32bit-2.4.41-18.24.9.1
  o SUSE Linux Enterprise Module for Legacy Software 12 (aarch64 ppc64le s390x
    x86_64):
       compat-libldap-2_3-0-2.3.37-18.24.9.7
       compat-libldap-2_3-0-debuginfo-2.3.37-18.24.9.7


References:

  o https://www.suse.com/security/cve/CVE-2017-17740.html
  o https://www.suse.com/security/cve/CVE-2017-9287.html
  o https://bugzilla.suse.com/1031702
  o https://bugzilla.suse.com/1037396
  o https://bugzilla.suse.com/1041764
  o https://bugzilla.suse.com/1065083
  o https://bugzilla.suse.com/1073313

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