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Vulnerability Details : CVE-2020-36221

An integer underflow was discovered in OpenLDAP before 2.4.57 leading to slapd crashes in the Certificate Exact Assertion processing, resulting in denial of service (schema_init.c serialNumberAndIssuerCheck).
Publish Date : 2021-01-26 Last Update Date : 2021-06-29
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 191

- Products Affected By CVE-2020-36221

# Product Type Vendor Product Version Update Edition Language
1 OS Apple Mac Os X * * * * Version Details Vulnerabilities
2 OS Apple Mac Os X 10.14.6 Security Update 2020-002 * * Version Details Vulnerabilities
3 OS Apple Mac Os X 10.14.6 Security Update 2019-004 * * Version Details Vulnerabilities
4 OS Apple Mac Os X 10.14.6 Supplemental Update 2 * * Version Details Vulnerabilities
5 OS Apple Mac Os X 10.14.6 Security Update 2020-003 * * Version Details Vulnerabilities
6 OS Apple Mac Os X 10.14.6 Security Update 2019-005 * * Version Details Vulnerabilities
7 OS Apple Mac Os X 10.14.6 Security Update 2020-007 * * Version Details Vulnerabilities
8 OS Apple Mac Os X 10.14.6 Security Update 2020-004 * * Version Details Vulnerabilities
9 OS Apple Mac Os X 10.14.6 Security Update 2019-006 * * Version Details Vulnerabilities
10 OS Apple Mac Os X 10.14.6 Security Update 2021-001 * * Version Details Vulnerabilities
11 OS Apple Mac Os X 10.14.6 Security Update 2020-005 * * Version Details Vulnerabilities
12 OS Apple Mac Os X 10.14.6 Security Update 2019-007 * * Version Details Vulnerabilities
13 OS Apple Mac Os X 10.14.6 Security Update 2021-002 * * Version Details Vulnerabilities
14 OS Apple Mac Os X 10.14.6 Security Update 2020-006 * * Version Details Vulnerabilities
15 OS Apple Mac Os X 10.14.6 Security Update 2020-001 * * Version Details Vulnerabilities
16 OS Apple Mac Os X 10.14.6 Security Update 2021-003 * * Version Details Vulnerabilities
17 OS Apple Mac Os X 10.14.6 - * * Version Details Vulnerabilities
18 OS Apple Mac Os X 10.14.6 Supplemental Update * * Version Details Vulnerabilities
19 OS Apple Macos * * * * Version Details Vulnerabilities
20 OS Debian Debian Linux 9.0 * * * Version Details Vulnerabilities
21 OS Debian Debian Linux 10.0 * * * Version Details Vulnerabilities
22 Application Openldap Openldap * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Apple Mac Os X 18
Apple Macos 1
Debian Debian Linux 2
Openldap Openldap 1

- References For CVE-2020-36221

https://bugs.openldap.org/show_bug.cgi?id=9424
https://lists.apache.org/thread.html/[email protected]%3Cissues.bookkeeper.apache.org%3E
MLIST [bookkeeper-issues] 20210628 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8
https://support.apple.com/kb/HT212530 CONFIRM
https://www.debian.org/security/2021/dsa-4845
DEBIAN DSA-4845
https://security.netapp.com/advisory/ntap-20210226-0002/ CONFIRM
https://support.apple.com/kb/HT212529 CONFIRM
https://git.openldap.org/openldap/openldap/-/commit/38ac838e4150c626bbfa0082b7e2cf3a2bb4df31
https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html
MLIST [debian-lts-announce] 20210203 [SECURITY] [DLA 2544-1] openldap security update
https://lists.apache.org/thread.html/[email protected]%3Cissues.bookkeeper.apache.org%3E
MLIST [bookkeeper-issues] 20210629 [GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8
https://support.apple.com/kb/HT212531 CONFIRM
http://seclists.org/fulldisclosure/2021/May/65
FULLDISC 20210526 APPLE-SA-2021-05-25-3 Security Update 2021-004 Mojave
http://seclists.org/fulldisclosure/2021/May/70
FULLDISC 20210526 APPLE-SA-2021-05-25-2 macOS Big Sur 11.4
http://seclists.org/fulldisclosure/2021/May/64
FULLDISC 20210526 APPLE-SA-2021-05-25-4 Security Update 2021-003 Catalina
https://bugs.openldap.org/show_bug.cgi?id=9404
https://git.openldap.org/openldap/openldap/-/commit/58c1748e81c843c5b6e61648d2a4d1d82b47e842
https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57

- Metasploit Modules Related To CVE-2020-36221

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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