CVE-2020-36228: Integer Underflow
First published: Mon 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.
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@mitre.org 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 | 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
- https://bugs.openldap.org/show_bug.cgi?id=9427
- https://git.openldap.org/openldap/openldap/-/commit/91dccd25c347733b365adc74cb07d074512ed5ad
- https://security-tracker.debian.org/tracker/CVE-2020-36228
- https://support.apple.com/en-us/HT212530 (Advisory)
- https://support.apple.com/en-us/HT212531 (Advisory)
- http://seclists.org/fulldisclosure/2021/May/64
- http://seclists.org/fulldisclosure/2021/May/65
- http://seclists.org/fulldisclosure/2021/May/70
- 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://support.apple.com/en-us/HT212529 (Advisory)
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
Peer vulnerabilities
(Found alongside the following vulnerabilities)
- CVE-2021-30676
- CVE-2021-30678
- CVE-2021-30688
- CVE-2021-30669
- CVE-2021-30685
- CVE-2021-30686
- CVE-2021-30681
- CVE-2021-30724
- CVE-2021-30673
- CVE-2020-29629
- CVE-2021-30684
- CVE-2021-30735
- CVE-2021-30710
- CVE-2021-1884
- CVE-2021-1883
- CVE-2021-30697
- CVE-2021-30683
- CVE-2021-30687
- CVE-2021-30701
- CVE-2021-30743
- CVE-2021-30705
- CVE-2021-30728
- CVE-2021-30719
- CVE-2021-30726
- CVE-2021-30704
- CVE-2021-30715
- CVE-2021-30739
- CVE-2021-30702
- CVE-2021-30696
- CVE-2021-30819
- CVE-2021-30723
- CVE-2021-30691
- CVE-2021-30694
- CVE-2021-30692
- CVE-2021-30746
- CVE-2021-30693
- CVE-2021-30695
- CVE-2021-30708
- CVE-2021-30709
- CVE-2021-30725
- CVE-2021-30679
- 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-2021-30737
- CVE-2021-30716
- CVE-2021-30717
- CVE-2021-30712
- CVE-2021-30721
- CVE-2021-30722
- CVE-2021-30671
- CVE-2021-30690
- CVE-2021-30738
- CVE-2021-30707
- CVE-2021-30672
- CVE-2021-30733
- CVE-2021-30753
- CVE-2021-30727
- CVE-2021-30771
- CVE-2021-30755
- CVE-2021-30700
- CVE-2021-30706
- CVE-2021-30731
- CVE-2021-30740
- CVE-2021-30736
- CVE-2021-30703
- CVE-2021-30680
- CVE-2021-30677
- CVE-2021-30756
- CVE-2021-30751
- CVE-2021-30668
- CVE-2021-30718
- CVE-2021-30713
- CVE-2021-30744
- CVE-2021-21779
- CVE-2021-30682
- CVE-2021-30689
- CVE-2021-30749
- CVE-2021-30734
- CVE-2021-30720
- CVE-2021-23841
- CVE-2021-30698
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/security-tracker-debian
- collector/apple-support
- alias/CVE-2020-36229
- alias/CVE-2020-36225
- alias/CVE-2020-36224
- alias/CVE-2020-36223
- alias/CVE-2020-36227
- alias/CVE-2020-36228
- alias/CVE-2020-36221
- alias/CVE-2020-36222
- alias/CVE-2020-36230
- collector/nvd-index
- agent/type
- agent/softwarecombine
- agent/software-canonical-lookup-request
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- agent/weakness
- agent/references
- agent/severity
- agent/author
- agent/remedy
- agent/tags
- agent/description
- agent/first-publish-date
- agent/event
- agent/trending
- package-manager/debian
- vendor/apple
- canonical/apple catalina
- canonical/apple mojave
- vendor/openldap
- canonical/openldap openldap
- vendor/debian
- canonical/debian debian linux
- version/debian debian linux/9.0
- version/debian debian linux/10.0
- canonical/apple macos
- version/apple macos/11.1
- canonical/apple macos big sur