CVE-2020-35518 Information

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=1905565 https://github.com/389ds/389-ds-base/issues/4480 https://github.com/389ds/389-ds-base/commit/cc0f69283abc082488824702dae485b8eae938bc https://github.com/389ds/389-ds-base/commit/b6aae4d8e7c8a6ddd21646f94fef1bf7f22c3f32

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

5.3