Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2020-25692

Published: 30 October 2020

A NULL pointer dereference was found in OpenLDAP server and was fixed in openldap 2.4.55, during a request for renaming RDNs. An unauthenticated attacker could remotely crash the slapd process by sending a specially crafted request, causing a Denial of Service.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
openldap
Launchpad, Ubuntu, Debian
upstream
Released (2.4.55+dfsg-1)
bionic
Released (2.4.45+dfsg-1ubuntu1.7)
focal
Released (2.4.49+dfsg-2ubuntu1.4)
trusty
Released (2.4.31-1+nmu2ubuntu8.5+esm3)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
groovy
Released (2.4.53+dfsg-1ubuntu1.1)
xenial
Released (2.4.42+dfsg-2ubuntu3.10)
Patches:
upstream: https://git.openldap.org/openldap/openldap/-/commit/4c774220a752bf8e3284984890dc0931fe73165d

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