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SUSE: 2021:14700-1 Important: OpenLDAP2 Denial Of Service Issues

suse
Calendar Grey April 16, 2021
Scroller Suse
An essential update for SUSE concerning openldap2 addresses several vulnerabilities and boosts overall system security through significant enhancements.
An update that solves 11 vulnerabilities and has one errata is now available

Summary

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

Topics%20covered

Topics Covered

security advisory denial of service patch important SUSE openldap2 issue resolution

References

#1182279 #1182408 #1182411 #1182412 #1182413

#1182415 #1182416 #1182417 #1182418 #1182419

#1182420 #1184020

Cross- 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 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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-2020-36222 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2020-36222 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2020-36223 (NVD) : 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE-2020-36223 (SUSE): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity
important
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2021:14700-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service patch important SUSE openldap2 issue resolution

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