USN-4744-1

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Source
https://ubuntu.com/security/notices/USN-4744-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4744-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4744-1
Upstream
Related
Published
2021-02-22T14:22:08.603442Z
Modified
2025-10-13T04:35:21Z
Summary
openldap vulnerability
Details

Pasi Saarinen discovered that OpenLDAP incorrectly handled certain short timestamps. A remote attacker could possibly use this issue to cause OpenLDAP to crash, resulting in a denial of service.

References

Affected packages

Ubuntu:16.04:LTS / openldap

Package

Name
openldap
Purl
pkg:deb/ubuntu/openldap@2.4.42+dfsg-2ubuntu3.13?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.42+dfsg-2ubuntu3.13

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
2.4.42+dfsg-2ubuntu3.12

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.4.42+dfsg-2ubuntu3.13",
            "binary_name": "ldap-utils"
        },
        {
            "binary_version": "2.4.42+dfsg-2ubuntu3.13",
            "binary_name": "libldap-2.4-2"
        },
        {
            "binary_version": "2.4.42+dfsg-2ubuntu3.13",
            "binary_name": "libldap2-dev"
        },
        {
            "binary_version": "2.4.42+dfsg-2ubuntu3.13",
            "binary_name": "slapd"
        },
        {
            "binary_version": "2.4.42+dfsg-2ubuntu3.13",
            "binary_name": "slapd-smbk5pwd"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:16.04:LTS",
    "cves": [
        {
            "id": "CVE-2021-27212",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:18.04:LTS / openldap

Package

Name
openldap
Purl
pkg:deb/ubuntu/openldap@2.4.45+dfsg-1ubuntu1.10?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.45+dfsg-1ubuntu1.10

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
2.4.45+dfsg-1ubuntu1.9

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.4.45+dfsg-1ubuntu1.10",
            "binary_name": "ldap-utils"
        },
        {
            "binary_version": "2.4.45+dfsg-1ubuntu1.10",
            "binary_name": "libldap-2.4-2"
        },
        {
            "binary_version": "2.4.45+dfsg-1ubuntu1.10",
            "binary_name": "libldap-common"
        },
        {
            "binary_version": "2.4.45+dfsg-1ubuntu1.10",
            "binary_name": "libldap2-dev"
        },
        {
            "binary_version": "2.4.45+dfsg-1ubuntu1.10",
            "binary_name": "slapd"
        },
        {
            "binary_version": "2.4.45+dfsg-1ubuntu1.10",
            "binary_name": "slapd-smbk5pwd"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:18.04:LTS",
    "cves": [
        {
            "id": "CVE-2021-27212",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:20.04:LTS / openldap

Package

Name
openldap
Purl
pkg:deb/ubuntu/openldap@2.4.49+dfsg-2ubuntu1.7?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.49+dfsg-2ubuntu1.7

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
2.4.49+dfsg-2ubuntu1.6

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "2.4.49+dfsg-2ubuntu1.7",
            "binary_name": "ldap-utils"
        },
        {
            "binary_version": "2.4.49+dfsg-2ubuntu1.7",
            "binary_name": "libldap-2.4-2"
        },
        {
            "binary_version": "2.4.49+dfsg-2ubuntu1.7",
            "binary_name": "libldap-common"
        },
        {
            "binary_version": "2.4.49+dfsg-2ubuntu1.7",
            "binary_name": "libldap2-dev"
        },
        {
            "binary_version": "2.4.49+dfsg-2ubuntu1.7",
            "binary_name": "slapd"
        },
        {
            "binary_version": "2.4.49+dfsg-2ubuntu1.7",
            "binary_name": "slapd-contrib"
        },
        {
            "binary_version": "2.4.49+dfsg-2ubuntu1.7",
            "binary_name": "slapd-smbk5pwd"
        },
        {
            "binary_version": "2.4.49+dfsg-2ubuntu1.7",
            "binary_name": "slapi-dev"
        }
    ]
}

Database specific

cves_map

{
    "ecosystem": "Ubuntu:20.04:LTS",
    "cves": [
        {
            "id": "CVE-2021-27212",
            "severity": [
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}