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CVE-2020-36230

Published: 26 January 2021

A flaw was discovered in OpenLDAP before 2.4.57 leading in an assertion failure in slapd in the X.509 DN parsing in decode.c ber_next_element, resulting in denial of service.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
openldap
Launchpad, Ubuntu, Debian
bionic
Released (2.4.45+dfsg-1ubuntu1.9)
focal
Released (2.4.49+dfsg-2ubuntu1.6)
groovy
Released (2.4.53+dfsg-1ubuntu1.3)
hirsute
Released (2.4.57+dfsg-2ubuntu1)
impish
Released (2.4.57+dfsg-2ubuntu1)
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)
trusty Needed

upstream
Released (2.4.57+dfsg-1)
xenial
Released (2.4.42+dfsg-2ubuntu3.12)
Patches:
upstream: https://git.openldap.org/openldap/openldap/-/commit/8c1d96ee36ed98b32cd0e28b7069c7b8ea09d793

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