CVE-2020-35518

389-ds-base: information disclosure during the binding of a DN

Severity Score

5.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

When binding against a DN during authentication, the reply from 389-ds-base will be different whether the DN exists or not. This can be used by an unauthenticated attacker to check the existence of an entry in the LDAP database.

Cuando se vincula con un DN durante la autenticación, la respuesta de 389-ds-base será diferente si el DN se presenta o no. Esto puede ser usado por un atacante no autenticado para comprobar la existencia de una entrada en la base de datos de LDAP.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-12-17 CVE Reserved
2021-02-16 CVE Published
2023-12-10 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
CWE-203: Observable Discrepancy

CAPEC

References (5)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=1905565	2021-06-08
https://github.com/389ds/389-ds-base/commit/b6aae4d8e7c8a6ddd21646f94fef1bf7f22c3f32	2022-08-05
https://github.com/389ds/389-ds-base/commit/cc0f69283abc082488824702dae485b8eae938bc	2022-08-05
https://github.com/389ds/389-ds-base/issues/4480	2022-08-05

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2020-35518	2021-06-08

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Redhat Search vendor "Redhat"		389 Directory Server Search vendor "Redhat" for product "389 Directory Server"				< 1.4.3.19 Search vendor "Redhat" for product "389 Directory Server" and version " < 1.4.3.19"		-		Affected
Redhat Search vendor "Redhat"		389 Directory Server Search vendor "Redhat" for product "389 Directory Server"				>= 1.4.4.0 < 1.4.4.13 Search vendor "Redhat" for product "389 Directory Server" and version " >= 1.4.4.0 < 1.4.4.13"		-		Affected
Redhat Search vendor "Redhat"		389 Directory Server Search vendor "Redhat" for product "389 Directory Server"				>= 2.0.0 < 2.0.3 Search vendor "Redhat" for product "389 Directory Server" and version " >= 2.0.0 < 2.0.3"		-		Affected
Redhat Search vendor "Redhat"		Directory Server Search vendor "Redhat" for product "Directory Server"				11.0 Search vendor "Redhat" for product "Directory Server" and version "11.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0"		-		Affected