Dovecot -- Multiple vulnerabilities

Aki Tuomi reports: Submission-login crashes with signal 11 due to null pointer access when authentication is aborted by disconnecting. This can lead to denial-of-service attack by persistent attackers. Aki Tuomi reports: Submission-login crashes when authentication is started over TLS secured...

DoveCot Authentication Bypass Vulnerability

Dovecot is an open source based on Linux/UNIX-like systems IMAP and POP3 mail server . DoveCot suffers from an authentication bypass vulnerability. Allowing an attacker to log in as anyone else on the system...

Dovecot Out of Bounds Read (CVE-2017-14461)

An out of bounds read vulnerability exists in Dovecot IMAP server. This vulnerability is due to incorrect indexing of specially crafted emails. Successful exploitation may result in information disclosure or denial of service conditions...

SUSE-SU-2019:0414-1 Security update for dovecot23

This update for dovecot23 fixes the following issues: dovecot was updated to 2.3.3 release, bringing lots of bugfixes bsc1124356. Also the following security issue was fixed: - CVE-2019-3814: A vulnerability in Dovecot related to SSL client certificate authentication was fixed bsc1123022 The...

MGASA-2019-0072 Updated dovecot packages fix security vulnerability

CVE-2019-3814: If imap/pop3/managesieve/submission client has trusted certificate with missing username field sslcertusernamefield, under some configurations Dovecot mistakenly trusts the username provided via authentication instead of failing...

Updated dovecot packages fix security vulnerability

CVE-2019-3814: If imap/pop3/managesieve/submission client has trusted certificate with missing username field sslcertusernamefield, under some configurations Dovecot mistakenly trusts the username provided via authentication instead of failing...

Debian DLA-1667-1 : dovecot security update

It was discovered that there was a vulnerability in the dovecot IMAP/POP3 server. A flaw in the TLS username handling could lead to an attacker logging in as anyone else in the system if both authsslrequireclient,usernamefromcert were enabled. For Debian 8 'Jessie', this issue has been fixed in...

[SECURITY] [DLA 1667-1] dovecot security update

Package : dovecot Version : 1:2.2.13-12deb8u5 CVE ID : CVE-2019-3814 It was discovered that there was a vulnerability in the dovecot IMAP/POP3 server. A flaw in the TLS username handling could lead to an attacker logging in as anyone else in the system if both authsslrequireclient,usernamefromcer...

CVE-2019-3814

It was discovered that Dovecot incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users. Mitigation Attack can be migitated by having the certificates with proper Extended...

Dovecot 1.1.0 - 2.2.36 and 2.3.0 - 2.3.4 Authentication Bypass Vulnerability

Dovecot is prone to an authentication bypass vulnerability. Copyright C 2019 Greenbone Networks GmbH SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Softwar...

Debian: Security Advisory (DLA-1667-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2019 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...

DLA-1667-1 dovecot - security update

Bulletin has no description...

Debian DSA-4385-1 : dovecot - security update

halfdog discovered an authentication bypass vulnerability in the Dovecot email server. Under some configurations Dovecot mistakenly trusts the username provided via authentication instead of failing. If there is no additional password verification, this allows the attacker to login as anyone else...

[ASA-201902-1] dovecot: authentication bypass

Arch Linux Security Advisory ASA-201902-1 ========================================= Severity: High Date : 2019-02-06 CVE-ID : CVE-2019-3814 Package : dovecot Type : authentication bypass Remote : Yes Link : https://security.archlinux.org/AVG-872 Summary ======= The package dovecot before version...

FreeBSD : mail/dovecot -- Suitable client certificate can be used to login as other user (1340fcc1-2953-11e9-bc44-a4badb296695)

Aki Tuomi Open-Xchange Oy reports : Normally Dovecot is configured to authenticate imap/pop3/managesieve/submission clients using regular username/password combination. Some installations have also required clients to present a trusted SSL certificate on top of that. It's also possible to configu...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : Dovecot vulnerability (USN-3881-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-3881-1 advisory. It was discovered that Dovecot incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an emp...

Ubuntu: Security Advisory (USN-3881-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2019 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...

[SECURITY] [DSA 4385-1] dovecot security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4385-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso February 05, 2019 https://www.debian.org/security/faq -...

[SECURITY] [DSA 4385-1] dovecot security update

------------------------------------------------------------------------- Debian Security Advisory DSA-4385-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso February 05, 2019 https://www.debian.org/security/faq -...

USN-3881-2: Dovecot vulnerability

USN-3881-1 fixed a vulnerability in Dovecot. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that Dovecot incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field...