CVE-2020-36227
First published: Tue Jan 26 2021(Updated: )
A flaw was discovered in OpenLDAP before 2.4.57 leading to an infinite loop in slapd with the cancel_extop Cancel operation, 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
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Openldap Openldap | <2.4.57 | |
| Debian Debian Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| Apple macOS | >=11.1<11.4 | |
| Apple Catalina | ||
| debian/openldap | 2.4.47+dfsg-3+deb10u7 2.4.57+dfsg-3+deb11u1 2.5.13+dfsg-5 |
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Reference Links
- https://support.apple.com/en-us/HT212529
- https://support.apple.com/en-us/HT212531
- 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=9428
- https://git.openldap.org/openldap/openldap/-/commit/9d0e8485f3113505743baabf1167e01e4558ccf5
- 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-2020-36227
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
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2020-36227.
What software versions are affected by this vulnerability?
The macOS Big Sur version up to and excluding 11.4, Mojave, and Catalina are affected by this vulnerability.
How was this vulnerability addressed?
This vulnerability was addressed with improved checks.
Are there any known remedies for this vulnerability?
Yes, Apple has provided remedies for this vulnerability. Please refer to the following links for more information: [link1](https://support.apple.com/en-us/HT212530), [link2](https://support.apple.com/en-us/HT212529), [link3](https://support.apple.com/en-us/HT212531).
- collector/nvd-index
- 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
- 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
- canonical/apple catalina
- package-manager/debian