Security update for openldap2

Announcement ID: SUSE-SU-2021:14700-1
Rating: important
References:
Cross-References:
CVSS scores:
  • 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-2020-36221 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-36222 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-36222 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-36223 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-36223 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-36224 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-36224 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-36225 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-36225 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-36226 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-36226 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-36227 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-36227 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-36228 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-36228 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-36229 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-36229 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • CVE-2020-36230 ( 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-2021-27212 ( 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
Affected Products:
  • Security Module for SUSE Linux Enterprise 11 11-SP3
  • SUSE Linux Enterprise Point of Service 11 SP3
  • SUSE Linux Enterprise Server 11 SP4
  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4

An update that solves 11 vulnerabilities and has one security fix can now be installed.

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.
  • resynchronise changelogs with subpackages (bsc#1184020).

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 Point of Service 11 SP3
    zypper in -t patch sleposp3-openldap2-14700=1
  • Security Module for SUSE Linux Enterprise 11 11-SP3
    zypper in -t patch secsp3-openldap2-14700=1
  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4
    zypper in -t patch slessp4-openldap2-14700=1
  • SUSE Linux Enterprise Server 11 SP4
    zypper in -t patch slessp4-openldap2-14700=1

Package List:

  • SUSE Linux Enterprise Point of Service 11 SP3 (i586)
    • openldap2-2.4.26-0.74.26.1
    • compat-libldap-2_3-0-2.3.37-2.74.26.1
    • openldap2-client-2.4.26-0.74.26.1
    • libldap-2_4-2-2.4.26-0.74.26.1
    • openldap2-back-meta-2.4.26-0.74.26.1
  • Security Module for SUSE Linux Enterprise 11 11-SP3 (s390x x86_64 i586 ppc64 ia64)
    • libldap-openssl1-2_4-2-2.4.26-0.74.26.1
    • openldap2-client-openssl1-2.4.26-0.74.26.1
    • openldap2-openssl1-2.4.26-0.74.26.1
  • Security Module for SUSE Linux Enterprise 11 11-SP3 (ia64)
    • libldap-openssl1-2_4-2-x86-2.4.26-0.74.26.1
  • Security Module for SUSE Linux Enterprise 11 11-SP3 (ppc64 s390x x86_64)
    • libldap-openssl1-2_4-2-32bit-2.4.26-0.74.26.1
  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4 (ppc64 s390x x86_64 i586)
    • openldap2-2.4.26-0.74.26.1
    • compat-libldap-2_3-0-2.3.37-2.74.26.1
    • openldap2-client-2.4.26-0.74.26.1
    • libldap-2_4-2-2.4.26-0.74.26.1
    • openldap2-back-meta-2.4.26-0.74.26.1
  • SUSE Linux Enterprise Server 11 SP4 LTSS 11-SP4 (ppc64 s390x x86_64)
    • libldap-2_4-2-32bit-2.4.26-0.74.26.1
  • SUSE Linux Enterprise Server 11 SP4 (ppc64 s390x x86_64 i586)
    • openldap2-2.4.26-0.74.26.1
    • compat-libldap-2_3-0-2.3.37-2.74.26.1
    • openldap2-client-2.4.26-0.74.26.1
    • libldap-2_4-2-2.4.26-0.74.26.1
    • openldap2-back-meta-2.4.26-0.74.26.1
  • SUSE Linux Enterprise Server 11 SP4 (ppc64 s390x x86_64)
    • libldap-2_4-2-32bit-2.4.26-0.74.26.1

References: