CVE-2016-8652

MEDIUM

Dovecot <2.2.27 - DoS

Title source: llm

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.

References (4)

[Release Notes, Vendor Advisory] http://dovecot.org/pipermail/dovecot-news/2016-December/000333.html

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/12/02/4

[Mailing List, Third Party Advisory] http://www.openwall.com/lists/oss-security/2016/12/05/12

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/94639

Scores

CVSS v3 5.9

EPSS 0.0942

EPSS Percentile 92.7%

Attack Vector NETWORK

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

Classification

CWE

CWE-20

Status published

Affected Products (2)

dovecot/dovecot < 2.2.27

n/a/n/a

Timeline

Published Feb 17, 2017

Tracked Since Feb 18, 2026