GHSA-C2C3-PQW5-5P7C Go-Guerrilla SMTP Daemon allows the PROXY command to be sent multiple times

Summary The PROXY command is accepted multiple times, allowing a client to spoof its IP address when the proxy protocol is being used. Details When ProxyOn is enabled, it looks like the PROXY command will be accepted multiple times, with later invocations overriding earlier ones. The proxy protoc...

[SECURITY] Fedora 40 Update: opensmtpd-7.4.0p1-1.fc40

OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined by RFC 5321, with some additional standard extensions. It allows ordinary machines to exchange e-mails with other systems speaking the SMTP protocol. Started out of dissatisfaction with other implementations, OpenSMTPD...

CVE-2024-27305 SMTP smuggling in aiosmtpd

aiosmtpd is a reimplementation of the Python stdlib smtpd.py based on asyncio. aiosmtpd is vulnerable to inbound SMTP smuggling. SMTP smuggling is a novel vulnerability based on not so novel interpretation differences of the SMTP protocol. By exploiting SMTP smuggling, an attacker may send...

Synacor Zimbra Security Vulnerability

Synacor Zimbra is an open source email collaboration platform from Synacor, Inc. A security vulnerability exists in Synacor Zimbra Collaboration ZCS version 8.8.15, 9.0, which stems from a closed account with 2FA and a generated password that can send emails when configured as Imap/smtp...

OPENSUSE-SU-2024:0007-1 Security update for exim

This update for exim fixes the following issues: exim was updated to 4.97.1 boo1218387, CVE-2023-51766: Fixes for the smtp protocol smuggling CVE-2023-51766 exim was updated to exim 4.96: Move from using the pcre library to pcre2. Constification work in the filters module required a major version...

SUSE CVE-2008-5006

smtp.c in the c-client library in University of Washington IMAP Toolkit 2007b allows remote SMTP servers to cause a denial of service NULL pointer dereference and application crash by responding to the QUIT command with a close of the TCP connection instead of the expected 221 response code...

Advisory ROSA-SA-2021-1925

Software: mutt 1.5.21 OS: Cobalt 7.9 CVE-ID: CVE-2018-14349 CVE-Crit: CRITICAL CVE-DESC: issue was found in Mutt before 1.10.1 and NeoMutt before 16.07.2018. imap / command.c incorrectly handles NO response without a message. CVE-STATUS: default CVE-REV: default CVE-ID: CVE-2018-14350 CVE-Crit:...

OPENSUSE-SU-2021:0753-1 Security update for exim

This update for exim fixes the following issues: exim was updated to 4.94.2: security update boo1185631 CVE-2020-28007: Link attack in Exim's log directory CVE-2020-28008: Assorted attacks in Exim's spool directory CVE-2020-28014: Arbitrary PID file creation CVE-2020-28011: Heap buffer overflow i...

The vulnerability of the evolution-data-server database server, related to insufficient neutralization of special elements in queries, allows attackers to compromise data integrity.

The vulnerability of the evolution-data-server database server is related to a STARTTLS framing error, which can affect SMTP and POP3 protocols. Exploiting this vulnerability allows an attacker to compromise the integrity of data...

[SECURITY] Fedora 33 Update: opensmtpd-6.8.0p2-1.fc33

OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defi ned by RFC 5321, with some additional standard extensions. It allows ordinary machines to exchange e-mails with other systems speaking the SMTP protocol. Started out of dissatisfaction with other implementations, OpenSMTP...

USN-4598-1 libetpan vulnerability

It was discovered that LibEtPan incorrectly handled STARTTLS when using IMAP, SMTP and POP3. A remote attacker could possibly use this issue to perform a response injection attack. CVE-2020-15953...

USN-4429-1 evolution-data-server vulnerability

It was discovered that Evolution Data Server incorrectly handled STARTTLS when using SMTP and POP3. A remote attacker could possibly use this issue to perform a response injection attack...

Fedora: Security Advisory for opensmtpd (FEDORA-2020-b92d7083ca)

The remote host is missing an update for the Copyright C 2020 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...

[SECURITY] Fedora 31 Update: opensmtpd-6.6.4p1-1.fc31

OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defi ned by RFC 5321, with some additional standard extensions. It allows ordinary machines to exchange e-mails with other systems speaking the SMTP protocol. Started out of dissatisfaction with other implementations, OpenSMTP...

Fedora: Security Advisory for opensmtpd (FEDORA-2020-31216ab928)

The remote host is missing an update for the SPDX-FileCopyrightText: 2020 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] Fedora 30 Update: opensmtpd-6.6.2p1-1.fc30

OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defi ned by RFC 5321, with some additional standard extensions. It allows ordinary machines to exchange e-mails with other systems speaking the SMTP protocol. Started out of dissatisfaction with other implementations, OpenSMTP...

Phorpiex Botnet Sending Out Millions of Sextortion Emails Using Hacked Computers

A decade-old botnet malware that currently controls over 450,000 computers worldwide has recently shifted its operations from infecting machines with ransomware or crypto miners to abusing them for sending out sextortion emails to millions of innocent people. Extortion by email is growing...

SMTP end-of-response out-of-bounds read

libcurl contains a heap out-of-bounds read in the code handling the end-of-response for SMTP. If the buffer passed to smtpendofresp is not null-terminated and contains no character ending the parsed number, and len is set to 5, then the strtol call reads beyond the allocated buffer. The read...

SMTP send heap buffer overflow

curl might overflow a heap based memory buffer when sending data over SMTP and using a reduced read buffer. When sending data over SMTP, curl allocates a separate "scratch area" on the heap to be able to escape the uploaded data properly if the uploaded data contains data that requires it. The si...

Detailed analysis of the PHP mail()function exploit techniques-vulnerability warning-the black bar safety net

This white paper aims to eliminate about PHP mail function in exploit the limitations of some of the misunderstandings, and demonstrate the use of the further development. It provides several on the PHP mailfunction of the new exploit and bypass the technology of the vector, in major PHP e-mail...