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).
Vulnerability category: Denial of service
Products affected by CVE-2020-36221
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-006:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-007:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:supplemental_update_2:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-004:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-005:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-001:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-002:*:*:*:*:*:*
- cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-003:*:*:*:*:*:*
- cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
- cpe:2.3:a:openldap:openldap:*:*:*:*:*:*:*:*
Threat overview for CVE-2020-36221
Top countries where our scanners detected CVE-2020-36221
Top open port discovered on systems with this issue
389
IPs affected by CVE-2020-36221 984
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2020-36221!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2020-36221
4.94%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 93 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-36221
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2020-36221
-
The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-36221
-
https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html
[SECURITY] [DLA 2544-1] openldap security updateMailing List;Third Party Advisory
-
https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57
OPENLDAP_REL_ENG_2_4_57 · Tags · openldap / OpenLDAP · GitLabRelease Notes;Vendor Advisory
-
https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
Mailing List;Third Party Advisory
-
https://git.openldap.org/openldap/openldap/-/commit/38ac838e4150c626bbfa0082b7e2cf3a2bb4df31
ITS#9404 fix serialNumberAndIssuerCheck (38ac838e) · Commits · openldap / OpenLDAP · GitLabPatch;Vendor Advisory
-
https://bugs.openldap.org/show_bug.cgi?id=9404
9404 – Integer undeflow causes segfault in OpenLDAP: slapd v2.X - schema_init.c:serialNumberAndIssuerCheck:3343Issue Tracking;Vendor Advisory
-
https://security.netapp.com/advisory/ntap-20210226-0002/
February 2021 OpenLDAP Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://support.apple.com/kb/HT212531
About the security content of Security Update 2021-004 Mojave - Apple SupportThird Party Advisory
-
https://git.openldap.org/openldap/openldap/-/commit/58c1748e81c843c5b6e61648d2a4d1d82b47e842
ITS#9424 fix serialNumberAndIssuerSerialCheck (58c1748e) · Commits · openldap / OpenLDAP · GitLabPatch;Vendor Advisory
-
https://support.apple.com/kb/HT212529
About the security content of macOS Big Sur 11.4 - Apple SupportThird Party Advisory
-
http://seclists.org/fulldisclosure/2021/May/65
Full Disclosure: APPLE-SA-2021-05-25-3 Security Update 2021-004 MojaveMailing List;Third Party Advisory
-
https://support.apple.com/kb/HT212530
About the security content of Security Update 2021-003 Catalina - Apple SupportThird Party Advisory
-
http://seclists.org/fulldisclosure/2021/May/64
Full Disclosure: APPLE-SA-2021-05-25-4 Security Update 2021-003 CatalinaMailing List;Third Party Advisory
-
https://bugs.openldap.org/show_bug.cgi?id=9424
9424 – Integer undeflow causes segfault in OpenLDAP: slapd v2.X - schema_init.c:serialNumberAndIssuerCheck:4478Issue Tracking;Vendor Advisory
-
http://seclists.org/fulldisclosure/2021/May/70
Full Disclosure: APPLE-SA-2021-05-25-2 macOS Big Sur 11.4Mailing List;Third Party Advisory
-
https://www.debian.org/security/2021/dsa-4845
Debian -- Security Information -- DSA-4845-1 openldapThird Party Advisory
-
https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
[GitHub] [bookkeeper] padma81 opened a new issue #2746: Security Vulnerabilities in CentOS 7 image, Upgrade image to CentOS 8 - Pony MailMailing List;Third Party Advisory
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