CVE-2020-36228: Integer Underflow

Published Jan 25, 2021
·
Updated

An integer underflow was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Certificate List Exact Assertion 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

8 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 macOS>=11.1<11.4

Event History

Jan 25, 2021
CVE Published
via MITRE·09:44 AM
Data Sourced
via MITRE·09:44 AM
Description

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2020-36228?

CVE-2020-36228 is a vulnerability in OpenLDAP that was addressed with improved checks.

2

How does CVE-2020-36228 affect macOS Big Sur?

CVE-2020-36228 affects macOS Big Sur version 11.4.

3

How does CVE-2020-36228 affect macOS Mojave?

CVE-2020-36228 affects macOS Mojave.

4

How does CVE-2020-36228 affect macOS Catalina?

CVE-2020-36228 affects macOS Catalina.

5

How can I fix CVE-2020-36228?

To fix CVE-2020-36228, update your operating system to the latest version provided by Apple.

Contact

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