CVE-2021-3652

389-ds-base: CRYPT password hash with asterisk allows any bind attempt to succeed

Severity Score

6.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A flaw was found in 389-ds-base. If an asterisk is imported as password hashes, either accidentally or maliciously, then instead of being inactive, any password will successfully match during authentication. This flaw allows an attacker to successfully authenticate as a user whose password was disabled.

Se ha encontrado un fallo en 389-ds-base. Si es importado un asterisco como hash de la contraseña, ya sea de forma accidental o maliciosa, en lugar de estar inactivo, cualquier contraseña coincidirá con éxito durante la autenticación. Este fallo permite a un atacante autenticarse con éxito como un usuario cuya contraseña estaba deshabilitada

Red Hat Directory Server is an LDAPv3-compliant directory server. The suite of packages includes the Lightweight Directory Access Protocol server, as well as command-line utilities and Web UI packages for server administration. This release provides a number of security fixes, bug fixes and enhancements. For detailed information on changes in this release, see the Red Hat Directory Server 11 Release Notes linked from the References section.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-07-16 CVE Reserved
2021-08-10 CVE Published
2024-08-03 CVE Updated
2025-05-06 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-287: Improper Authentication

CAPEC

References (4)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2023/04/msg00026.html	Mailing List

URL	Date	SRC

URL	Date	SRC
https://github.com/389ds/389-ds-base/issues/4817	2023-04-24

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=1982782	2021-10-25
https://access.redhat.com/security/cve/CVE-2021-3652	2021-10-25

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Port389 Search vendor "Port389"		389-ds-base Search vendor "Port389" for product "389-ds-base"				< 2.0.7 Search vendor "Port389" for product "389-ds-base" and version " < 2.0.7"		-		Affected