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AUSCERT External Security Bulletin Redistribution
ESB-2021.1305
Security update for openldap2
19 April 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: openldap2
Publisher: SUSE
Operating System: SUSE
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-27212 CVE-2020-36230 CVE-2020-36229
CVE-2020-36228 CVE-2020-36227 CVE-2020-36226
CVE-2020-36225 CVE-2020-36224 CVE-2020-36223
CVE-2020-36222 CVE-2020-36221
Reference: ESB-2021.0828
ESB-2021.0661
ESB-2021.0659
ESB-2021.0391
Original Bulletin:
https://www.suse.com/support/update/announcement/2021/suse-su-202114700-1
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SUSE Security Update: Security update for openldap2
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:14700-1
Rating: important
References: #1182279 #1182408 #1182411 #1182412 #1182413 #1182415
#1182416 #1182417 #1182418 #1182419 #1182420 #1184020
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 11-SP4-LTSS
SUSE Linux Enterprise Server 11-SECURITY
SUSE Linux Enterprise Point of Sale 11-SP3
SUSE Linux Enterprise Debuginfo 11-SP4
SUSE Linux Enterprise Debuginfo 11-SP3
______________________________________________________________________________
An update that solves 11 vulnerabilities and has one errata is now available.
Description:
This update for openldap2 fixes the following issues:
o 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.
o bsc#1182411 CVE-2020-36229 - ldap_X509dn2bv crash in the X.509 DN parsing
in ad_keystring, resulting in denial of service.
o bsc#1182412 CVE-2020-36228 - integer underflow leading to crash in the
Certificate List Exact Assertion processing, resulting in denial of
service.
o bsc#1182413 CVE-2020-36227 - infinite loop in slapd with the cancel_extop
Cancel operation, resulting in denial of service.
o bsc#1182416 CVE-2020-36225 - double free and slapd crash in the saslAuthzTo
processing, resulting in denial of service.
o bsc#1182417 CVE-2020-36224 - invalid pointer free and slapd crash in the
saslAuthzTo processing, resulting in denial of service.
o bsc#1182415 CVE-2020-36226 - memch->bv_len miscalculation and slapd crash
in the saslAuthzTo processing, resulting in denial of service.
o bsc#1182419 CVE-2020-36222 - assertion failure in slapd in the saslAuthzTo
validation, resulting in denial of service.
o bsc#1182420 CVE-2020-36221 - slapd crashes in the Certificate Exact
Assertion processing, resulting in denial of service (schema_init.c
serialNumberAndIssuerCheck).
o 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).
o 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.
o resynchronise changelogs with subpackages (bsc#1184020).
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 11-SP4-LTSS:
zypper in -t patch slessp4-openldap2-14700=1
o SUSE Linux Enterprise Server 11-SECURITY:
zypper in -t patch secsp3-openldap2-14700=1
o SUSE Linux Enterprise Point of Sale 11-SP3:
zypper in -t patch sleposp3-openldap2-14700=1
o SUSE Linux Enterprise Debuginfo 11-SP4:
zypper in -t patch dbgsp4-openldap2-14700=1
o SUSE Linux Enterprise Debuginfo 11-SP3:
zypper in -t patch dbgsp3-openldap2-14700=1
Package List:
o SUSE Linux Enterprise Server 11-SP4-LTSS (i586 ppc64 s390x x86_64):
compat-libldap-2_3-0-2.3.37-2.74.26.1
libldap-2_4-2-2.4.26-0.74.26.1
openldap2-2.4.26-0.74.26.1
openldap2-back-meta-2.4.26-0.74.26.1
openldap2-client-2.4.26-0.74.26.1
o SUSE Linux Enterprise Server 11-SP4-LTSS (ppc64 s390x x86_64):
libldap-2_4-2-32bit-2.4.26-0.74.26.1
o SUSE Linux Enterprise Server 11-SECURITY (i586 ia64 ppc64 s390x x86_64):
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
o SUSE Linux Enterprise Server 11-SECURITY (ppc64 s390x x86_64):
libldap-openssl1-2_4-2-32bit-2.4.26-0.74.26.1
o SUSE Linux Enterprise Server 11-SECURITY (ia64):
libldap-openssl1-2_4-2-x86-2.4.26-0.74.26.1
o SUSE Linux Enterprise Point of Sale 11-SP3 (i586):
compat-libldap-2_3-0-2.3.37-2.74.26.1
libldap-2_4-2-2.4.26-0.74.26.1
openldap2-2.4.26-0.74.26.1
openldap2-back-meta-2.4.26-0.74.26.1
openldap2-client-2.4.26-0.74.26.1
o SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ppc64 s390x x86_64):
openldap2-client-debuginfo-2.4.26-0.74.26.1
openldap2-client-debugsource-2.4.26-0.74.26.1
openldap2-debuginfo-2.4.26-0.74.26.1
openldap2-debugsource-2.4.26-0.74.26.1
o SUSE Linux Enterprise Debuginfo 11-SP3 (i586 s390x x86_64):
openldap2-client-debuginfo-2.4.26-0.74.26.1
openldap2-client-debugsource-2.4.26-0.74.26.1
openldap2-client-openssl1-debuginfo-2.4.26-0.74.26.1
openldap2-client-openssl1-debugsource-2.4.26-0.74.26.1
openldap2-debuginfo-2.4.26-0.74.26.1
openldap2-debugsource-2.4.26-0.74.26.1
References:
o https://www.suse.com/security/cve/CVE-2020-36221.html
o https://www.suse.com/security/cve/CVE-2020-36222.html
o https://www.suse.com/security/cve/CVE-2020-36223.html
o https://www.suse.com/security/cve/CVE-2020-36224.html
o https://www.suse.com/security/cve/CVE-2020-36225.html
o https://www.suse.com/security/cve/CVE-2020-36226.html
o https://www.suse.com/security/cve/CVE-2020-36227.html
o https://www.suse.com/security/cve/CVE-2020-36228.html
o https://www.suse.com/security/cve/CVE-2020-36229.html
o https://www.suse.com/security/cve/CVE-2020-36230.html
o https://www.suse.com/security/cve/CVE-2021-27212.html
o https://bugzilla.suse.com/1182279
o https://bugzilla.suse.com/1182408
o https://bugzilla.suse.com/1182411
o https://bugzilla.suse.com/1182412
o https://bugzilla.suse.com/1182413
o https://bugzilla.suse.com/1182415
o https://bugzilla.suse.com/1182416
o https://bugzilla.suse.com/1182417
o https://bugzilla.suse.com/1182418
o https://bugzilla.suse.com/1182419
o https://bugzilla.suse.com/1182420
o https://bugzilla.suse.com/1184020
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This security bulletin is provided as a service to AusCERT's members. As
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NOTE: This is only the original release of the security bulletin. It may
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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
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