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openSUSE Leap 15.2 Advisory: 2021:0408-1 Critical Denial of Service Fix

opensuse
Calendar Grey March 14, 2021
Dist Opensuse Esm H88
A significant patch for openldap2 on openSUSE addresses 11 vulnerabilities, improving protection against potential outages.
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

...

Read the Full Advisory

Patch

Patch Instructions:

To install this openSUSE 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:

- openSUSE Leap 15.2:

zypper in -t patch openSUSE-2021-408=1

Package List

- openSUSE Leap 15.2 (i586 x86_64):

libldap-2_4-2-2.4.46-lp152.14.18.1

libldap-2_4-2-debuginfo-2.4.46-lp152.14.18.1

openldap2-2.4.46-lp152.14.18.1

openldap2-back-meta-2.4.46-lp152.14.18.1

openldap2-back-meta-debuginfo-2.4.46-lp152.14.18.1

openldap2-back-perl-2.4.46-lp152.14.18.1

openldap2-back-perl-debuginfo-2.4.46-lp152.14.18.1

openldap2-back-sock-2.4.46-lp152.14.18.1

openldap2-back-sock-debuginfo-2.4.46-lp152.14.18.1

openldap2-back-sql-2.4.46-lp152.14.18.1

openldap2-back-sql-debuginfo-2.4.46-lp152.14.18.1

openldap2-client-2.4.46-lp152.14.18.1

openldap2-client-debuginfo-2.4.46-lp152.14.18.1

openldap2-contrib-2.4.46-lp152.14.18.1

openldap2-contrib-debuginfo-2.4.46-lp152.14.18.1

openldap2-debuginfo-2.4.46-lp152.14.18.1

openldap2-debugsource-2.4.46-lp152.14.18.1

openldap2-devel-2.4.46-lp152.14.18.1

openldap2-devel-static-2.4.46-lp152.14.18.1

openldap2-ppolicy-check-password-1.2-lp152.14.18.1

openldap2-ppolicy-check-password-debuginfo-1.2-lp152.14.18.1

- openSUSE Leap 15.2 (noarch):

libldap-data-2.4.46-lp152.14...

Read the Full Advisory

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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: openSUSE-SU-2021:0408-1
Rating: important
Affected Products: openSUSE Leap 15.2 .

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