Security update for openldap2

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
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: