SUSE Security Update: Security update for openldap2
______________________________________________________________________________

Announcement ID:    SUSE-SU-2021:0692-1
Rating:             important
References:         #1182279 #1182408 #1182411 #1182412 #1182413 
                    #1182415 #1182416 #1182417 #1182418 #1182419 
                    #1182420 
Cross-References:   CVE-2020-36221 CVE-2020-36222 CVE-2020-36223
                    CVE-2020-36224 CVE-2020-36225 CVE-2020-36226
                    CVE-2020-36227 CVE-2020-36228 CVE-2020-36229
                    CVE-2020-36230 CVE-2021-27212
CVSS scores:
                    CVE-2020-36221 (NVD) : 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-36221 (SUSE): 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-36222 (NVD) : 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-36222 (SUSE): 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-36223 (NVD) : 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-36223 (SUSE): 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-36224 (NVD) : 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-36224 (SUSE): 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-36225 (NVD) : 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-36225 (SUSE): 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-36226 (NVD) : 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-36226 (SUSE): 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-36227 (NVD) : 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-36227 (SUSE): 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-36228 (NVD) : 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-36228 (SUSE): 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-36229 (NVD) : 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-36229 (SUSE): 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-36230 (NVD) : 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2020-36230 (SUSE): 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2021-27212 (NVD) : 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
                    CVE-2021-27212 (SUSE): 7.5
 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:
                    SUSE Linux Enterprise Server for SAP 12-SP5
                    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 Module for Legacy Software 12
______________________________________________________________________________

   An update that fixes 11 vulnerabilities is now available.

Description:

   This update for openldap2 fixes the following issues:

   - bsc#1182408 CVE-2020-36230 - an assertion failure in slapd in the X.509
     DN parsing in decode.c ber_next_element, resulting in denial
     of service.
   - bsc#1182411 CVE-2020-36229 - ldap_X509dn2bv crash in the X.509 DN
     parsing in ad_keystring, resulting in denial of service.
   - bsc#1182412 CVE-2020-36228 - integer underflow leading to crash in the
     Certificate List Exact Assertion processing, resulting in denial of
     service.
   - bsc#1182413 CVE-2020-36227 - infinite loop in slapd with the
     cancel_extop Cancel operation, resulting in denial of service.
   - bsc#1182416 CVE-2020-36225 - double free and slapd crash in the
     saslAuthzTo processing, resulting in denial of service.
   - bsc#1182417 CVE-2020-36224 - invalid pointer free and slapd crash in the
     saslAuthzTo processing, resulting in denial of service.
   - bsc#1182415 CVE-2020-36226 - memch->bv_len miscalculation and slapd
     crash in the saslAuthzTo processing, resulting in denial of service.
   - bsc#1182419 CVE-2020-36222 - assertion failure in slapd in the
     saslAuthzTo validation, resulting in denial of service.
   - bsc#1182420 CVE-2020-36221 - slapd crashes in the Certificate Exact
     Assertion processing, resulting in denial of service (schema_init.c
     serialNumberAndIssuerCheck).
   - bsc#1182418 CVE-2020-36223 - slapd crash in the Values Return Filter
     control handling, resulting in denial of service (double free and
     out-of-bounds read).
   - bsc#1182279 CVE-2021-27212 - an assertion failure in slapd can occur in
     the issuerAndThisUpdateCheck function via a crafted packet, resulting in
     a denial of service (daemon exit) via a short timestamp. This is related
     to schema_init.c and checkTime.


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:

   - SUSE Linux Enterprise Server for SAP 12-SP5:

      zypper in -t patch SUSE-SLE-SAP-12-SP5-2021-692=1

   - SUSE Linux Enterprise Server for SAP 12-SP4:

      zypper in -t patch SUSE-SLE-SAP-12-SP4-2021-692=1

   - SUSE Linux Enterprise Server for SAP 12-SP3:

      zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-692=1

   - SUSE Linux Enterprise Server for SAP 12-SP2:

      zypper in -t patch SUSE-SLE-SAP-12-SP2-2021-692=1

   - SUSE Linux Enterprise Module for Legacy Software 12:

      zypper in -t patch SUSE-SLE-Module-Legacy-12-2021-692=1



Package List:

   - SUSE Linux Enterprise Server for SAP 12-SP5 (ppc64le x86_64):

      compat-libldap-2_3-0-2.3.37-39.1
      compat-libldap-2_3-0-debuginfo-2.3.37-39.1

   - SUSE Linux Enterprise Server for SAP 12-SP4 (ppc64le x86_64):

      compat-libldap-2_3-0-2.3.37-39.1
      compat-libldap-2_3-0-debuginfo-2.3.37-39.1

   - SUSE Linux Enterprise Server for SAP 12-SP3 (ppc64le x86_64):

      compat-libldap-2_3-0-2.3.37-39.1
      compat-libldap-2_3-0-debuginfo-2.3.37-39.1

   - SUSE Linux Enterprise Server for SAP 12-SP2 (ppc64le x86_64):

      compat-libldap-2_3-0-2.3.37-39.1
      compat-libldap-2_3-0-debuginfo-2.3.37-39.1

   - SUSE Linux Enterprise Module for Legacy Software 12 (aarch64 ppc64le s390x
 x86_64):

      compat-libldap-2_3-0-2.3.37-39.1
      compat-libldap-2_3-0-debuginfo-2.3.37-39.1


References:

   https://www.suse.com/security/cve/CVE-2020-36221.html
   https://www.suse.com/security/cve/CVE-2020-36222.html
   https://www.suse.com/security/cve/CVE-2020-36223.html
   https://www.suse.com/security/cve/CVE-2020-36224.html
   https://www.suse.com/security/cve/CVE-2020-36225.html
   https://www.suse.com/security/cve/CVE-2020-36226.html
   https://www.suse.com/security/cve/CVE-2020-36227.html
   https://www.suse.com/security/cve/CVE-2020-36228.html
   https://www.suse.com/security/cve/CVE-2020-36229.html
   https://www.suse.com/security/cve/CVE-2020-36230.html
   https://www.suse.com/security/cve/CVE-2021-27212.html
   https://bugzilla.suse.com/1182279
   https://bugzilla.suse.com/1182408
   https://bugzilla.suse.com/1182411
   https://bugzilla.suse.com/1182412
   https://bugzilla.suse.com/1182413
   https://bugzilla.suse.com/1182415
   https://bugzilla.suse.com/1182416
   https://bugzilla.suse.com/1182417
   https://bugzilla.suse.com/1182418
   https://bugzilla.suse.com/1182419
   https://bugzilla.suse.com/1182420