UBUNTU-CVE-2020-36230

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Source
https://ubuntu.com/security/CVE-2020-36230
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-36230.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-36230
Upstream
Downstream
Related
Published
2021-01-26T18:15:00Z
Modified
2025-09-08T16:46:33Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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 bernextelement, resulting in denial of service.

References

Affected packages

Ubuntu:Pro:14.04:LTS / openldap

Package

Name
openldap
Purl
pkg:deb/ubuntu/openldap@2.4.31-1+nmu2ubuntu8.5+esm8?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.31-1+nmu2ubuntu8.5+esm8

Affected versions

2.*

2.4.31-1+nmu2ubuntu3
2.4.31-1+nmu2ubuntu4
2.4.31-1+nmu2ubuntu5
2.4.31-1+nmu2ubuntu8
2.4.31-1+nmu2ubuntu8.1
2.4.31-1+nmu2ubuntu8.2
2.4.31-1+nmu2ubuntu8.3
2.4.31-1+nmu2ubuntu8.4
2.4.31-1+nmu2ubuntu8.5
2.4.31-1+nmu2ubuntu8.5+esm1
2.4.31-1+nmu2ubuntu8.5+esm2
2.4.31-1+nmu2ubuntu8.5+esm3
2.4.31-1+nmu2ubuntu8.5+esm4
2.4.31-1+nmu2ubuntu8.5+esm5
2.4.31-1+nmu2ubuntu8.5+esm6
2.4.31-1+nmu2ubuntu8.5+esm7

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.4.31-1+nmu2ubuntu8.5+esm8",
            "binary_name": "ldap-utils"
        },
        {
            "binary_version": "2.4.31-1+nmu2ubuntu8.5+esm8",
            "binary_name": "libldap-2.4-2"
        },
        {
            "binary_version": "2.4.31-1+nmu2ubuntu8.5+esm8",
            "binary_name": "libldap2-dev"
        },
        {
            "binary_version": "2.4.31-1+nmu2ubuntu8.5+esm8",
            "binary_name": "slapd"
        },
        {
            "binary_version": "2.4.31-1+nmu2ubuntu8.5+esm8",
            "binary_name": "slapd-smbk5pwd"
        }
    ],
    "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"
}

Ubuntu:16.04:LTS / openldap

Package

Name
openldap
Purl
pkg:deb/ubuntu/openldap@2.4.42+dfsg-2ubuntu3.12?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.42+dfsg-2ubuntu3.12

Affected versions

2.*

2.4.41+dfsg-1ubuntu2
2.4.41+dfsg-1ubuntu3
2.4.42+dfsg-2ubuntu1
2.4.42+dfsg-2ubuntu3
2.4.42+dfsg-2ubuntu3.1
2.4.42+dfsg-2ubuntu3.2
2.4.42+dfsg-2ubuntu3.3
2.4.42+dfsg-2ubuntu3.4
2.4.42+dfsg-2ubuntu3.5
2.4.42+dfsg-2ubuntu3.6
2.4.42+dfsg-2ubuntu3.7
2.4.42+dfsg-2ubuntu3.8
2.4.42+dfsg-2ubuntu3.9
2.4.42+dfsg-2ubuntu3.10
2.4.42+dfsg-2ubuntu3.11

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.4.42+dfsg-2ubuntu3.12",
            "binary_name": "ldap-utils"
        },
        {
            "binary_version": "2.4.42+dfsg-2ubuntu3.12",
            "binary_name": "libldap-2.4-2"
        },
        {
            "binary_version": "2.4.42+dfsg-2ubuntu3.12",
            "binary_name": "libldap2-dev"
        },
        {
            "binary_version": "2.4.42+dfsg-2ubuntu3.12",
            "binary_name": "slapd"
        },
        {
            "binary_version": "2.4.42+dfsg-2ubuntu3.12",
            "binary_name": "slapd-smbk5pwd"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:18.04:LTS / openldap

Package

Name
openldap
Purl
pkg:deb/ubuntu/openldap@2.4.45+dfsg-1ubuntu1.9?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.45+dfsg-1ubuntu1.9

Affected versions

2.*

2.4.45+dfsg-1ubuntu1
2.4.45+dfsg-1ubuntu1.1
2.4.45+dfsg-1ubuntu1.2
2.4.45+dfsg-1ubuntu1.3
2.4.45+dfsg-1ubuntu1.4
2.4.45+dfsg-1ubuntu1.5
2.4.45+dfsg-1ubuntu1.6
2.4.45+dfsg-1ubuntu1.7
2.4.45+dfsg-1ubuntu1.8

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.4.45+dfsg-1ubuntu1.9",
            "binary_name": "ldap-utils"
        },
        {
            "binary_version": "2.4.45+dfsg-1ubuntu1.9",
            "binary_name": "libldap-2.4-2"
        },
        {
            "binary_version": "2.4.45+dfsg-1ubuntu1.9",
            "binary_name": "libldap-common"
        },
        {
            "binary_version": "2.4.45+dfsg-1ubuntu1.9",
            "binary_name": "libldap2-dev"
        },
        {
            "binary_version": "2.4.45+dfsg-1ubuntu1.9",
            "binary_name": "slapd"
        },
        {
            "binary_version": "2.4.45+dfsg-1ubuntu1.9",
            "binary_name": "slapd-smbk5pwd"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:20.04:LTS / openldap

Package

Name
openldap
Purl
pkg:deb/ubuntu/openldap@2.4.49+dfsg-2ubuntu1.6?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.49+dfsg-2ubuntu1.6

Affected versions

2.*

2.4.48+dfsg-1ubuntu1
2.4.48+dfsg-1ubuntu2
2.4.48+dfsg-1ubuntu3
2.4.48+dfsg-1ubuntu4
2.4.49+dfsg-1ubuntu1
2.4.49+dfsg-2ubuntu1
2.4.49+dfsg-2ubuntu1.2
2.4.49+dfsg-2ubuntu1.3
2.4.49+dfsg-2ubuntu1.4
2.4.49+dfsg-2ubuntu1.5

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "2.4.49+dfsg-2ubuntu1.6",
            "binary_name": "ldap-utils"
        },
        {
            "binary_version": "2.4.49+dfsg-2ubuntu1.6",
            "binary_name": "libldap-2.4-2"
        },
        {
            "binary_version": "2.4.49+dfsg-2ubuntu1.6",
            "binary_name": "libldap-common"
        },
        {
            "binary_version": "2.4.49+dfsg-2ubuntu1.6",
            "binary_name": "libldap2-dev"
        },
        {
            "binary_version": "2.4.49+dfsg-2ubuntu1.6",
            "binary_name": "slapd"
        },
        {
            "binary_version": "2.4.49+dfsg-2ubuntu1.6",
            "binary_name": "slapd-contrib"
        },
        {
            "binary_version": "2.4.49+dfsg-2ubuntu1.6",
            "binary_name": "slapd-smbk5pwd"
        },
        {
            "binary_version": "2.4.49+dfsg-2ubuntu1.6",
            "binary_name": "slapi-dev"
        }
    ],
    "availability": "No subscription required"
}