Dovecot: Multiple vulnerabilities

Background Dovecot is an open source IMAP and POP3 email server. Description Multiple vulnerabilities have been discovered in Dovecot. Please review the CVE identifiers referenced below for details. Impact Please review the referenced CVE identifiers for details Workaround There is no known...

Open-Xchange: Memory corruption in imap-parser.c

Hello Dovecot devs, this is a report from Nick Roessler and Rafi Rubin. We are researchers at the University of Pennsylvania. We’ve been fuzzing Dovecot and have triggered some memory errors---this one is the most serious, and can be used for controlled indirect out-of-bounds writes into heap...

Dovecot -- improper input validation

Aki Tuomi reports: Vulnerability Details: IMAP and ManageSieve protocol parsers do not properly handle NUL byte when scanning data in quoted strings, leading to out of bounds heap memory writes. Risk: This vulnerability allows for out-of-bounds writes to objects stored on the heap up to 8096 byte...

MGASA-2019-0141 Updated dovecot packages fix security vulnerability

CVE-2019-7524: Missing input buffer size validation leads into arbitrary buffer overflow when reading fts or pop3 uidl header from Dovecot index. Exploiting this requires direct write access to the index files...

Updated dovecot packages fix security vulnerability

CVE-2019-7524: Missing input buffer size validation leads into arbitrary buffer overflow when reading fts or pop3 uidl header from Dovecot index. Exploiting this requires direct write access to the index files...

dovecot -- json encoder crash

Aki Tuomi reports: CVE-2019-10691: Trying to login with 8bit username containing invalid UTF8 input causes auth process to crash if auth policy is enabled. This could be used rather easily to cause a DoS. Similar crash also happens during mail delivery when using invalid UTF8 in From or Subject...

CVE-2019-7524

In Dovecot before 2.2.36.3 and 2.3.x before 2.3.5.1, a local attacker can cause a buffer overflow in the indexer-worker process, which can be used to elevate to root. This occurs because of missing checks in the fts and pop3-uidl components...

Ubuntu: Security Advisory (USN-3928-1)

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...

Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : Dovecot vulnerability (USN-3928-1)

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-3928-1 advisory. It was discovered that Dovecot incorrectly handled reading certain headers from the index. A local attacker could possibly use this issue ...

PT-2019-2582 · Dovecot +3 · Dovecot +3

Name of the Vulnerable Software and Affected Versions: Dovecot versions prior to 2.3.5.2 Description: The issue is related to the JSON encoder in the authentication service, which can be exploited by attempting to authenticate with an invalid UTF-8 sequence as the username. This can cause the...

Debian: Security Advisory (DLA-1736-1)

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...

USN-3928-1 dovecot vulnerability

It was discovered that Dovecot incorrectly handled reading certain headers from the index. A local attacker could possibly use this issue to escalate privileges...

USN-3928-1: Dovecot vulnerability

It was discovered that Dovecot incorrectly handled reading certain headers from the index. A local attacker could possibly use this issue to escalate privileges...

Debian DLA-1736-1 : dovecot security update

A security vulnerability was discovered in the Dovecot email server. When reading FTS headers from the Dovecot index, the input buffer size is not bounds-checked. An attacker with the ability to modify dovecot indexes, can take advantage of this flaw for privilege escalation or the execution of...

Debian DSA-4418-1 : dovecot - security update

A vulnerability was discovered in the Dovecot email server. When reading FTS or POP3-UIDL headers from the Dovecot index, the input buffer size is not bounds-checked. An attacker with the ability to modify dovecot indexes, can take advantage of this flaw for privilege escalation or the execution ...

[SECURITY] [DLA 1736-1] dovecot security update

Package : dovecot Version : 1:2.2.13-12deb8u6 CVE ID : CVE-2019-7524 A security vulnerability was discovered in the Dovecot email server. When reading FTS headers from the Dovecot index, the input buffer size is not bounds-checked. An attacker with the ability to modify dovecot indexes, can take...

CVE-2019-7524

In Dovecot before 2.2.36.3 and 2.3.x before 2.3.5.1, a local attacker can cause a buffer overflow in the indexer-worker process, which can be used to elevate to root. This occurs because of missing checks in the fts and pop3-uidl components...

UBUNTU-CVE-2019-7524

In Dovecot before 2.2.36.3 and 2.3.x before 2.3.5.1, a local attacker can cause a buffer overflow in the indexer-worker process, which can be used to elevate to root. This occurs because of missing checks in the fts and pop3-uidl components...

DLA-1736-1 dovecot - security update

Bulletin has no description...

FreeBSD : dovecot -- Buffer overflow reading extension header (7862213c-5152-11e9-8b26-a4badb296695)

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 doveco...