Security update for openldap2

Announcement ID:	SUSE-SU-2021:0692-1
Rating:	important
References:	bsc#1182279 bsc#1182408 bsc#1182411 bsc#1182412 bsc#1182413 bsc#1182415 bsc#1182416 bsc#1182417 bsc#1182418 bsc#1182419 bsc#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 ( 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:	Legacy Module 12 SUSE Linux Enterprise High Performance Computing 12 SP2 SUSE Linux Enterprise High Performance Computing 12 SP3 SUSE Linux Enterprise High Performance Computing 12 SP4 SUSE Linux Enterprise High Performance Computing 12 SP5 SUSE Linux Enterprise Server 12 SUSE Linux Enterprise Server 12 SP1 SUSE Linux Enterprise Server 12 SP2 SUSE Linux Enterprise Server 12 SP3 SUSE Linux Enterprise Server 12 SP4 SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server for SAP Applications 12 SUSE Linux Enterprise Server for SAP Applications 12 SP1 SUSE Linux Enterprise Server for SAP Applications 12 SP2 SUSE Linux Enterprise Server for SAP Applications 12 SP3 SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP5

An update that solves 11 vulnerabilities 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.

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:

• Legacy Module 12
  zypper in -t patch SUSE-SLE-Module-Legacy-12-2021-692=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP2
  zypper in -t patch SUSE-SLE-SAP-12-SP2-2021-692=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP3
  zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-692=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP4
  zypper in -t patch SUSE-SLE-SAP-12-SP4-2021-692=1
• SUSE Linux Enterprise Server for SAP Applications 12 SP5
  zypper in -t patch SUSE-SLE-SAP-12-SP5-2021-692=1

Package List:

• Legacy Module 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
• SUSE Linux Enterprise Server for SAP Applications 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 Server for SAP Applications 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 Applications 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 Applications 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

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/show_bug.cgi?id=1182279
• https://bugzilla.suse.com/show_bug.cgi?id=1182408
• https://bugzilla.suse.com/show_bug.cgi?id=1182411
• https://bugzilla.suse.com/show_bug.cgi?id=1182412
• https://bugzilla.suse.com/show_bug.cgi?id=1182413
• https://bugzilla.suse.com/show_bug.cgi?id=1182415
• https://bugzilla.suse.com/show_bug.cgi?id=1182416
• https://bugzilla.suse.com/show_bug.cgi?id=1182417
• https://bugzilla.suse.com/show_bug.cgi?id=1182418
• https://bugzilla.suse.com/show_bug.cgi?id=1182419
• https://bugzilla.suse.com/show_bug.cgi?id=1182420