CVE-2016-8652 Information

Description

The auth component in Dovecot before 2.2.27 when auth-policy is configured allows a remote attackers to cause a denial of service (crash) by aborting authentication without setting a username.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://dovecot.org/pipermail/dovecot-news/2016-December/000333.html http://www.openwall.com/lists/oss-security/2016/12/02/4 http://www.openwall.com/lists/oss-security/2016/12/05/12 http://www.securityfocus.com/bid/94639

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.9