CVE-2020-36224: High severity Apple macOS Big Sur vulnerability

Published Jan 25, 2021
·
Updated

A flaw was discovered in OpenLDAP before 2.4.57 leading to an invalid pointer free and slapd crash in the saslAuthzTo processing, resulting in denial of service.

Other sources

OpenLDAP. This issue was addressed with improved checks.

Credit

CVE-2020-36226, CVE-2020-36229, CVE-2020-36225, CVE-2020-36224, CVE-2020-36223, CVE-2020-36227, CVE-2020-36228, CVE-2020-36221, CVE-2020-36222, CVE-2020-36230, CVE-2020-36226, CVE-2020-36229, CVE-2020-36225, CVE-2020-36224, CVE-2020-36223, CVE-2020-36227, CVE-2020-36228, CVE-2020-36221, CVE-2020-36222, CVE-2020-36230, CVE-2020-36226, CVE-2020-36227, CVE-2020-36223, CVE-2020-36224, CVE-2020-36225, CVE-2020-36221, CVE-2020-36228, CVE-2020-36222, CVE-2020-36230, CVE-2020-36229

Affected Software

26 affected componentsFixes available
debian/openldap
2.4.47+dfsg-3+deb10u72.4.57+dfsg-3+deb11u12.5.13+dfsg-5
Apple macOS Big Sur<11.4
11.4
Apple Catalina
Apple Mojave
openldap OpenLDAP<2.4.57
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Apple iOS and macOS>=10.14.0<10.14.6
Apple iOS and macOS=10.14.6
Apple iOS and macOS=10.14.6-security_update_2019-004
Apple iOS and macOS=10.14.6-security_update_2019-005
Apple iOS and macOS=10.14.6-security_update_2019-006
Apple iOS and macOS=10.14.6-security_update_2019-007
Apple iOS and macOS=10.14.6-security_update_2020-001
Apple iOS and macOS=10.14.6-security_update_2020-002
Apple iOS and macOS=10.14.6-security_update_2020-003
Apple iOS and macOS=10.14.6-security_update_2020-004
Apple iOS and macOS=10.14.6-security_update_2020-005
Apple iOS and macOS=10.14.6-security_update_2020-006
Apple iOS and macOS=10.14.6-security_update_2020-007
Apple iOS and macOS=10.14.6-security_update_2021-001
Apple iOS and macOS=10.14.6-security_update_2021-002
Apple iOS and macOS=10.14.6-security_update_2021-003
Apple iOS and macOS=10.14.6-supplemental_update
Apple iOS and macOS=10.14.6-supplemental_update_2
Apple macOS>=11.1<11.4

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/openldap to a version that resolves this vulnerability.

    Fixed in 2.4.47+dfsg-3+deb10u7Fixed in 2.4.57+dfsg-3+deb11u1Fixed in 2.5.13+dfsg-5
  2. Upgrade

    Upgrade Apple macOS to a version that resolves this vulnerability.

    Fixed in 11.4

Event History

Jan 25, 2021
CVE Published
via MITRE·09:44 AM
Data Sourced
via MITRE·09:44 AM
Description
Jan 26, 2021
Data Sourced
via NVD·06:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

Frequently Asked Questions

1

What is CVE-2020-36224?

CVE-2020-36224 is a vulnerability in OpenLDAP that has been addressed with improved checks.

2

Which software versions are affected by CVE-2020-36224?

macOS Big Sur up to version 11.4, Apple Mojave, and Apple Catalina are affected by CVE-2020-36224.

3

How can I fix the CVE-2020-36224 vulnerability?

Apply the updates and security patches provided by Apple for macOS Big Sur, Mojave, and Catalina.

4

Where can I find more information about CVE-2020-36224?

You can find more information about CVE-2020-36224 on the Apple support website.

Company

Resources

Contact

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