CVE-2020-25692

Publication date 30 October 2020

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
openldap 20.10 groovy
Fixed 2.4.53+dfsg-1ubuntu1.1
20.04 LTS focal
Fixed 2.4.49+dfsg-2ubuntu1.4
18.04 LTS bionic
Fixed 2.4.45+dfsg-1ubuntu1.7
16.04 LTS xenial
Fixed 2.4.42+dfsg-2ubuntu3.10
14.04 LTS trusty

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
openldap

Severity score breakdown

Parameter Value
Base score 7.5 · High
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

References

Related Ubuntu Security Notices (USN)

    • USN-4622-1
    • OpenLDAP vulnerability
    • 9 November 2020
    • USN-4622-2
    • OpenLDAP vulnerability
    • 11 November 2020

Other references