CVE-2020-36229

Published: Jan 26, 2021Modified: Jun 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2.4.57 leading to a slapd crash in the X.509 DN parsing in ad_keystring, resulting in denial of service.

Affected (22)

Products: Openldap: Openldap · Debian: Debian Linux · Apple: Mac Os X, Macos

1 product

1 product

2 products

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Openldap Openldap	Before 2.4.57

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 10.0
Debian Debian Linux	Version 9.0

Configuration C

19 vulnerable

Vulnerable Software	Affected Versions
Apple Mac Os X	From 10.14.0 to 10.14.6
Apple Mac Os X	Version 10.14.6
Apple Mac Os X	Version 10.14.6 security_update_2019-004
Apple Mac Os X	Version 10.14.6 security_update_2019-005
Apple Mac Os X	Version 10.14.6 security_update_2019-006
Apple Mac Os X	Version 10.14.6 security_update_2019-007
Apple Mac Os X	Version 10.14.6 security_update_2020-001
Apple Mac Os X	Version 10.14.6 security_update_2020-002
Apple Mac Os X	Version 10.14.6 security_update_2020-003
Apple Mac Os X	Version 10.14.6 security_update_2020-004
Apple Mac Os X	Version 10.14.6 security_update_2020-005
Apple Mac Os X	Version 10.14.6 security_update_2020-006
Apple Mac Os X	Version 10.14.6 security_update_2020-007
Apple Mac Os X	Version 10.14.6 security_update_2021-001
Apple Mac Os X	Version 10.14.6 security_update_2021-002
Apple Mac Os X	Version 10.14.6 security_update_2021-003
Apple Mac Os X	Version 10.14.6 supplemental_update
Apple Mac Os X	Version 10.14.6 supplemental_update_2
Apple Macos	From 11.1 to 11.4

Related CWEs

Access of Resource Using Incompatible Type ('Type Confusion')

The product allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

References (28)

http://seclists.org/fulldisclosure/2021/May/64

Source: cve@mitre.org

Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2021/May/65

Source: cve@mitre.org

Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2021/May/70

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://bugs.openldap.org/show_bug.cgi?id=9425

Source: cve@mitre.org

Issue TrackingVendor Advisory

https://git.openldap.org/openldap/openldap/-/commit/4bdfffd2889c0c5cdf58bebafbdc8fce4bb2bff0

Source: cve@mitre.org

PatchVendor Advisory

https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57

Source: cve@mitre.org

Release NotesVendor Advisory

https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E

Source: cve@mitre.org

https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E

Source: cve@mitre.org

https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://security.netapp.com/advisory/ntap-20210226-0002/

Source: cve@mitre.org

Third Party Advisory

https://support.apple.com/kb/HT212529

Source: cve@mitre.org

Third Party Advisory

https://support.apple.com/kb/HT212530

Source: cve@mitre.org

Third Party Advisory

https://support.apple.com/kb/HT212531

Source: cve@mitre.org

Third Party Advisory

https://www.debian.org/security/2021/dsa-4845

Source: cve@mitre.org

Third Party Advisory

http://seclists.org/fulldisclosure/2021/May/64

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2021/May/65

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2021/May/70

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

https://bugs.openldap.org/show_bug.cgi?id=9425

Source: af854a3a-2127-422b-91ae-364da2661108

Issue TrackingVendor Advisory

https://git.openldap.org/openldap/openldap/-/commit/4bdfffd2889c0c5cdf58bebafbdc8fce4bb2bff0

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57

Source: af854a3a-2127-422b-91ae-364da2661108

Release NotesVendor Advisory

https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

https://security.netapp.com/advisory/ntap-20210226-0002/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://support.apple.com/kb/HT212529

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://support.apple.com/kb/HT212530

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://support.apple.com/kb/HT212531

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://www.debian.org/security/2021/dsa-4845

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

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