Dovecot 1.2.0 - 2.3.14 DoS Vulnerability

Dovecot is prone to a denial of service DoS vulnerability. Copyright C 2021 Greenbone Networks GmbH 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-or-later This program is free software; yo...

Dovecot 2.3.11 - 2.3.14 Path Traversal Vulnerability

Dovecot is prone to a path traversal vulnerability. Copyright C 2021 Greenbone Networks GmbH 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-or-later This program is free software; you can...

Dovecot 2.3.0 - 2.3.14 Information Disclosure Vulnerability

Dovecot is prone to an information disclosure vulnerability. Copyright C 2021 Greenbone Networks GmbH 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-or-later This program is free software;...

FreeBSD : dovecot -- multiple vulnerabilities (d18f431d-d360-11eb-a32c-00a0989e4ec1)

Dovecot team reports : CVE-2021-29157: Dovecot does not correctly escape kid and azp fields in JWT tokens. This may be used to supply attacker controlled keys to validate tokens in some configurations. This requires attacker to be able to write files to local disk. CVE-2021-33515: On-path attacke...

The vulnerability of the Dovecot mail server, related to errors in the encapsulation fields kid and azp in JWT tokens, allows a malicious actor to gain unauthorized access to protected information.

The vulnerability of the Dovecot mail server is related to errors in the encapsulation of fields “kid” and “azp” in JWT tokens. Exploiting this vulnerability can allow attackers to gain unauthorized access to protected information...

The vulnerability of the Dovecot mail server, related to resource management errors, allows a hacker to cause a service failure.

The vulnerability of the Dovecot mail server is related to resource management errors. Exploiting this vulnerability can allow a remote attacker to cause service interruptions...

The vulnerability of the Dovecot mail server arises from incorrect neutralization of special elements in the output data used by the incoming component, allowing attackers to expose user credentials.

The vulnerability of the Dovecot mail server is related to incorrect neutralization of special elements in the output data used by the incoming component. Exploiting this vulnerability can allow a remote attacker to expose user credentials...

FreeBSD : dovecot-pigeonhole -- Sieve excessive resource usage (f3fc2b50-d36a-11eb-a32c-00a0989e4ec1)

Dovecot team reports reports : Sieve interpreter is not protected against abusive scripts that claim excessive resource usage. Fixed by limiting the user CPU time per single script execution and cumulatively over several script runs within a configurable timeout period. Sufficiently large CPU tim...

Arbitrary File Write

Dovecot is vulnerable to arbitrary file write. It does not correctly escape kid and azp fields in JWT tokens. This may be used to supply attacker controlled keys to validate tokens in some configurations. This requires attacker to be able to write files to local disk...

Command Injection

dovecot is vulnerable to command injection. On-path attacker could inject plaintext commands before STARTTLS negotiation that would be executed after STARTTLS finished with the client. Only the SMTP submission service is affected...

Email Bug Allows Message Snooping, Credential Theft

Researchers warn hackers can snoop on email messages by exploiting a bug in the underlying technology used by the majority of email servers that run the Internet Message Access Protocol, commonly referred to as IMAP. The bug, first reported in August 2020 and patched Monday, is tied to the email...

[ASA-202106-56] dovecot: information disclosure

Arch Linux Security Advisory ASA-202106-56 ========================================== Severity: High Date : 2021-06-22 CVE-ID : CVE-2021-29157 CVE-2021-33515 Package : dovecot Type : information disclosure Remote : Yes Link : https://security.archlinux.org/AVG-2087 Summary ======= The package...

Ubuntu: Security Advisory (USN-4993-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 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...

Vulnerabilities fixed in Dovecot

Dovecot's developers have fixed two vulnerabilities. An authenticated remote malicious person can exploit the vulnerabilities exploit them to cause a denial-of-service, execute execute commands with application privileges or to obtain sensitive data. -= Ubuntu =- Canonical has made updates...

CVE-2021-29157

A flaw was found in dovecot where it did not properly parse the kid and azp fields in JWT tokens. This flaw allows a local attacker to bypass dovecot's authentication, and access a user's emails. The highest threat from this vulnerability is to confidentiality and integrity...

CVE-2021-33515

It was found that dovecot could still accept plaintext commands while the STARTTLS negotiation process is ongoing. This could allow an active person in the middle, with valid credentials on dovecot, to, for example, steal confidential data such as the client's emails and passwords...

CVE-2020-28200

The Sieve engine in Dovecot before 2.3.15 allows Uncontrolled Resource Consumption, as demonstrated by a situation with a complex regular expression for the regex extension...

USN-4993-1 dovecot vulnerabilities

Kirin discovered that Dovecot incorrectly escaped kid and azp fields in JWT tokens. A local attacker could possibly use this issue to validate tokens using arbitrary keys. This issue only affected Ubuntu 20.10 and Ubuntu 21.04. CVE-2021-29157 Fabian Ising and Damian Poddebniak discovered that...

USN-4993-1: Dovecot vulnerabilities

Kirin discovered that Dovecot incorrectly escaped kid and azp fields in JWT tokens. A local attacker could possibly use this issue to validate tokens using arbitrary keys. This issue only affected Ubuntu 20.10 and Ubuntu 21.04. CVE-2021-29157 Fabian Ising and Damian Poddebniak discovered that...

CVE-2020-28200

The Sieve engine in Dovecot before 2.3.15 allows Uncontrolled Resource Consumption, as demonstrated by a situation with a complex regular expression for the regex extension...