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CVE-2020-36229

Published: 26 January 2021

A flaw was discovered in ldap_X509dn2bv in OpenLDAP before 2.4.57 leading to a slapd crash in the X.509 DN parsing in ad_keystring, resulting in denial of service.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
openldap
Launchpad, Ubuntu, Debian
impish
Released (2.4.57+dfsg-2ubuntu1)
hirsute
Released (2.4.57+dfsg-2ubuntu1)
trusty Needed

upstream
Released (2.4.57+dfsg-1)
bionic
Released (2.4.45+dfsg-1ubuntu1.9)
focal
Released (2.4.49+dfsg-2ubuntu1.6)
groovy
Released (2.4.53+dfsg-1ubuntu1.3)
xenial
Released (2.4.42+dfsg-2ubuntu3.12)
jammy
Released (2.4.57+dfsg-2ubuntu1)
kinetic
Released (2.4.57+dfsg-2ubuntu1)
lunar
Released (2.4.57+dfsg-2ubuntu1)
mantic
Released (2.4.57+dfsg-2ubuntu1)
Patches:
upstream: https://git.openldap.org/openldap/openldap/-/commit/4bdfffd2889c0c5cdf58bebafbdc8fce4bb2bff0

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H