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CVE-2020-36228

Published: 26 January 2021

An integer underflow was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Certificate List Exact Assertion processing, 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/91dccd25c347733b365adc74cb07d074512ed5ad

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