Open-Xchange: Dovecot authentication is vulnerable to timing attacks.

Dear Dovecot bug bounty team, Dovecot is vulnerable to timing attacks, because the verifycredentials function in CRAM-MD5 performs a byte-by-byte comparison, which terminates early when two characters do not match. Summary --- Timing attacks are a type of side channel attack where one can discove...

CVE-2016-8652

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...

CVE-2016-8652

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...

DEBIAN-CVE-2016-8652

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...

CVE-2016-8652

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...

Authentication flaw

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...

CVE-2016-8652

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...

EUVD-2016-9491

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...

CVE-2016-8652

The CVE-2016-8652 affects the Dovecot auth component when the auth-policy is enabled. The vulnerability allows a remote attacker to cause a denial-of-service (crash) by aborting authentication without a username, with affected versions listed as Dovecot prior to 2.2.27 (OpenVAS references note a ...

CVE-2016-8652

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...

Fedora Update for dovecot FEDORA-2016-daf90926d4

The remote host is missing an update for the SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora 25 : 1:dovecot (2016-daf90926d4)

Fixed crash in auth process when auth-policy was configured and authentication was aborted/failed without a username set. - director: If two users had different tags but the same hash, the users may have been redirected to the wrong tag's hosts. - Index files may have been thought incorrectly...

[SECURITY] Fedora 25 Update: dovecot-2.2.27-1.fc25

Dovecot is an IMAP server for Linux/UNIX-like systems, written with security primarily in mind. It also contains a small POP3 server. It supports mail in either of maildir or mbox formats. The SQL drivers and authentication plug-ins are in their subpackages...

Fedora Update for dovecot FEDORA-2016-bb22a24d3d

The remote host is missing an update for the SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Fedora 24 : 1:dovecot (2016-bb22a24d3d)

Fixed crash in auth process when auth-policy was configured and authentication was aborted/failed without a username set. - director: If two users had different tags but the same hash, the users may have been redirected to the wrong tag's hosts. - Index files may have been thought incorrectly...

Dovecot auth component remote denial of service vulnerability

Dovecot is an open source based on Linux/UNIX-like systems IMAP and POP3 mail server . A remote denial of service vulnerability exists in the auth component of Dovecot versions 2.2.25.1 through 2.2.26.1. An attacker can exploit this vulnerability to cause a denial of service...

CVE-2016-8652

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...

dovecot -- Dovecot DoS when passdb dict was used for authentication

Timo Sirainen reports: passdb/userdb dict: Don't double-expand %variables in keys. If dict was used as the authentication passdb, using specially crafted %variables in the username could be used to cause DoS...

SUSE-SU-2016:2915-1 Security update for dovecot22

This update for dovecot22 fixes the following issues: - insecure SSL/TLS key and certificate file creation CVE-2016-4983 bnc 984639 - Fix LDAP based authentication for some setups boo 1003952...

Dovecot Local Information Disclosure Vulnerability

Dovecot is an open source based on Linux/UNIX-like systems IMAP and POP3 mail server . A security vulnerability exists in Dovecot that allows remote attackers to submit special requests to obtain sensitive information...