CVE-2021-27212

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

14/02/2021

Last modified:

07/11/2023

Description

In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vector 2.0

AV:N/AC:L/Au:N/C:N/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): None
Integrity (I): None
Availability (A): Physical

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:openldap:openldap::::::::		2.4.57 (including)
cpe:2.3:a:openldap:openldap:2.5.0:alpha::::::
cpe:2.3:a:openldap:openldap:2.5.1:alpha::::::
cpe:2.3:o:debian:debian_linux:9.0:::::::*
cpe:2.3:o:debian:debian_linux:10.0:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:a:openldap:openldap::::::::		2.4.57 (including)
cpe:2.3:a:openldap:openldap:2.5.0:alpha::::::
cpe:2.3:a:openldap:openldap:2.5.1:alpha::::::
cpe:2.3:o:debian:debian_linux:9.0:::::::*
cpe:2.3:o:debian:debian_linux:10.0:::::::*

CVE-2021-27212

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools