CVE-2020-36228: Integer Underflow
First published: Tue Jan 26 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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/openldap | 2.4.47+dfsg-3+deb10u7 2.4.57+dfsg-3+deb11u1 2.5.13+dfsg-5 | |
| Apple Catalina | ||
| Apple Mojave | ||
| Apple macOS Big Sur | <11.4 | 11.4 |
| Openldap Openldap | <2.4.57 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| Apple macOS | >=11.1<11.4 |
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Reference Links
- http://seclists.org/fulldisclosure/2021/May/64
- http://seclists.org/fulldisclosure/2021/May/65
- http://seclists.org/fulldisclosure/2021/May/70
- https://bugs.openldap.org/show_bug.cgi?id=9427
- https://git.openldap.org/openldap/openldap/-/commit/91dccd25c347733b365adc74cb07d074512ed5ad
- https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html
- https://security.netapp.com/advisory/ntap-20210226-0002/
- https://support.apple.com/kb/HT212529
- https://support.apple.com/kb/HT212530
- https://support.apple.com/kb/HT212531
- https://www.debian.org/security/2021/dsa-4845
- https://security-tracker.debian.org/tracker/CVE-2020-36228
Frequently Asked Questions
What is CVE-2020-36228?
CVE-2020-36228 is a vulnerability in OpenLDAP that was addressed with improved checks.
How does CVE-2020-36228 affect macOS Big Sur?
CVE-2020-36228 affects macOS Big Sur version 11.4.
How does CVE-2020-36228 affect macOS Mojave?
CVE-2020-36228 affects macOS Mojave.
How does CVE-2020-36228 affect macOS Catalina?
CVE-2020-36228 affects macOS Catalina.
How can I fix CVE-2020-36228?
To fix CVE-2020-36228, update your operating system to the latest version provided by Apple.
- collector/nvd-index
- agent/author
- agent/description
- agent/event
- agent/first-publish-date
- agent/last-modified-date
- agent/references
- agent/remedy
- agent/severity
- agent/softwarecombine
- agent/tags
- agent/type
- agent/weakness
- collector/security-tracker-debian
- vendor/openldap
- canonical/openldap openldap
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- version/debian debian linux/10.0
- vendor/apple
- canonical/apple macos
- version/apple macos/11.1
- package-manager/debian