7.5

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).

Data is provided by the National Vulnerability Database (NVD)
OpenldapOpenldap Version < 2.4.57
DebianDebian Linux Version9.0
DebianDebian Linux Version10.0
ApplemacOS X Version >= 10.14.0 < 10.14.6
ApplemacOS X Version10.14.6 Update-
ApplemacOS X Version10.14.6 Updatesecurity_update_2019-004
ApplemacOS X Version10.14.6 Updatesecurity_update_2019-005
ApplemacOS X Version10.14.6 Updatesecurity_update_2019-006
ApplemacOS X Version10.14.6 Updatesecurity_update_2019-007
ApplemacOS X Version10.14.6 Updatesecurity_update_2020-001
ApplemacOS X Version10.14.6 Updatesecurity_update_2020-002
ApplemacOS X Version10.14.6 Updatesecurity_update_2020-003
ApplemacOS X Version10.14.6 Updatesecurity_update_2020-004
ApplemacOS X Version10.14.6 Updatesecurity_update_2020-005
ApplemacOS X Version10.14.6 Updatesecurity_update_2020-006
ApplemacOS X Version10.14.6 Updatesecurity_update_2020-007
ApplemacOS X Version10.14.6 Updatesecurity_update_2021-001
ApplemacOS X Version10.14.6 Updatesecurity_update_2021-002
ApplemacOS X Version10.14.6 Updatesecurity_update_2021-003
ApplemacOS X Version10.14.6 Updatesupplemental_update
ApplemacOS X Version10.14.6 Updatesupplemental_update_2
ApplemacOS Version >= 11.1 < 11.4
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 47.65% 0.976
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE-191 Integer Underflow (Wrap or Wraparound)

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.

http://seclists.org/fulldisclosure/2021/May/64
Third Party Advisory
Mailing List
http://seclists.org/fulldisclosure/2021/May/65
Third Party Advisory
Mailing List
http://seclists.org/fulldisclosure/2021/May/70
Third Party Advisory
Mailing List
https://bugs.openldap.org/show_bug.cgi?id=9404
Vendor Advisory
Issue Tracking
https://bugs.openldap.org/show_bug.cgi?id=9424
Vendor Advisory
Issue Tracking