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CVE-2020-12243

Publication date 28 April 2020

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

In filter.c in slapd in OpenLDAP before 2.4.50, LDAP search filters with nested boolean expressions can result in denial of service (daemon crash).

Status

Package Ubuntu Release Status
openldap 20.04 LTS focal
Fixed 2.4.49+dfsg-2ubuntu1.2
19.10 eoan
Fixed 2.4.48+dfsg-1ubuntu1.1
18.04 LTS bionic
Fixed 2.4.45+dfsg-1ubuntu1.5
16.04 LTS xenial
Fixed 2.4.42+dfsg-2ubuntu3.8
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)

Other references