USN-3881-1: Dovecot vulnerability

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...

USN-3881-1 dovecot vulnerability

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...

CVE-2019-3814

It was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 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...

UBUNTU-CVE-2019-3814

It was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 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...

PT-2019-1904 · Dovecot +5 · Dovecot +5

Name of the Vulnerable Software and Affected Versions: Dovecot versions prior to 2.2.36.3 Dovecot versions 2.3.x prior to 2.3.5.1 Description: The issue is related to a lack of buffer size checks when reading FTS or POP3-UIDL headers from a Dovecot pointer. This can be exploited by a local attack...

PT-2019-1772 · Dovecot +5 · Dovecot +5

Name of the Vulnerable Software and Affected Versions: Dovecot versions prior to 2.2.36.1 Dovecot versions prior to 2.3.4.1 Description: The issue is related to errors in certificate authentication. A remote attacker with a valid certificate that has an empty username field could potentially use...

DSA-4385-1 dovecot - security update

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dovecot -- Buffer overflow reading extension header

Aki Tuomi reports: Vulnerability Details: When reading FTS or POP3-UIDL header from dovecot index, the input buffer size is not bound, and data is copied to target structure causing stack overflow. Risk: This can be used for local root privilege escalation or executing arbitrary code in dovecot...

Debian: Security Advisory (DSA-4385-1)

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...

Open-Xchange: Username restriction bypass with SSL client authentication

Summary: Dovecot supports enforcing the login user name to be the one encoded in the SSL client certificate, thus restricting the username. Using SSL certificates that do not even contain the relevant field bypasses this restriction, maybe leading to full login bypass under some luckily rare...

mail/dovecot -- Suitable client certificate can be used to login as other user

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 configur...

Authorization Bypass

dovecot is vulnerable to authorization bypass attacks. The vulnerability exists as script-login in Dovecot 2.0.x before 2.0.13 does not follow the user and group configuration settings, which might allow remote authenticated users to bypass intended access restrictions by leveraging a script...

Denial Of Service (DoS)

dovecot is vulnerable to denial of service DoS attacks. The vulnerability exists as Dovecot 1.1 before 2.2.13 and dovecot-ee before 2.1.7.7 and 2.2.x before 2.2.12.12 does not properly close old connections, which allows remote attackers to cause a denial of service resource consumption via an...

Fedora 28 : roundcubemail (2018-928e15e1db)

Version 1.3.8 This is a service release to update the stable version 1.3 of Roundcube Webmail. It contains fixes to several bugs backported from the master branch including a security fix for a reported XSS vulnerability plus updates to ensure compatibility with PHP 7.3 and recent versions of...

Fedora 29 : roundcubemail (2018-24d1e5a2c3)

Version 1.3.8 This is a service release to update the stable version 1.3 of Roundcube Webmail. It contains fixes to several bugs backported from the master branch including a security fix for a reported XSS vulnerability plus updates to ensure compatibility with PHP 7.3 and recent versions of...

MGASA-2018-0463 Updated roundcubemail packages fix security vulnerability & bugs

This is a service release to update the stable version 1.3 of Roundcube Webmail. It contains fixes to several bugs backported from the master branch including a security fix for a reported XSS vulnerability in handling invalid style tag content plus updates to ensure compatibility with PHP 7.3 an...

Updated roundcubemail packages fix security vulnerability & bugs

This is a service release to update the stable version 1.3 of Roundcube Webmail. It contains fixes to several bugs backported from the master branch including a security fix for a reported XSS vulnerability in handling invalid style tag content plus updates to ensure compatibility with PHP 7.3 an...

Fedora 27 : roundcubemail (2018-d527206a77)

Version 1.3.8 This is a service release to update the stable version 1.3 of Roundcube Webmail. It contains fixes to several bugs backported from the master branch including a security fix for a reported XSS vulnerability plus updates to ensure compatibility with PHP 7.3 and recent versions of...

Ubuntu: Security Advisory (USN-3556-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2018 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...

SUSE-SU-2018:2632-1 Security update for dovecot22

This update for dovecot22 fixes the following issues: Security issue fixed: - CVE-2017-15130: Fixed a potential denial of service via TLS SNI config lookups, which would slow the process down and could have led to exhaustive memory allocation and/or process restarts bsc1082828...