CVE-2024-7208: Undefined Security Weakness

A vulnerability in multi-tenant hosting allows an authenticated sender to spoof the identity of a shared, hosted domain, thus bypass security measures provided by DMARC or SPF or DKIM policies...

Multiple SMTP services are susceptible to spoofing attacks due to insufficient enforcement

Overview Multiple hosted, outbound SMTP servers are vulnerable to email impersonation. This allows authenticated users and certain trusted networks to send emails containing spoofed sender information. Two vulnerabilities were identified that reduce the authentication and verification of the...

Proofpoint Email Routing Flaw Exploited to Send Millions of Spoofed Phishing Emails

An unknown threat actor has been linked to a massive scam campaign that exploited an email routing misconfiguration in email security vendor Proofpoint's defenses to send millions of messages spoofing various popular companies like Best Buy, IBM, Nike, and Walt Disney, among others. "These emails...

8,000+ Domains of Trusted Brands Hijacked for Massive Spam Operation

More than 8,000 domains and 13,000 subdomains belonging to legitimate brands and institutions have been hijacked as part of a sophisticated distribution architecture for spam proliferation and click monetization. Guardio Labs is tracking the coordinated malicious activity, which has been ongoing...

Exploit for Improper Input Validation in Microsoft

CVE-2024-21413 - POC Usage: python CVE-2024-21413.py -...

Exploit for Exposure of Sensitive Information to an Unauthorized Actor in Microsoft

CVE-2023-35636 Microsoft Outlook Information Disclosure Vulner...

Explained: SMTP smuggling

SMTP smuggling is a technique that allows an attacker to send an email from pretty much any address they like. The intended goal is email spoofing—sending emails with false sender addresses. Email spoofing allows criminals to make malicious emails more believable. Let’s take a closer look at what...

SMTP Smuggling: New Flaw Lets Attackers Bypass Security and Spoof Emails

A new exploitation technique called Simple Mail Transfer Protocol SMTP smuggling can be weaponized by threat actors to send spoofed emails with fake sender addresses while bypassing security measures. "Threat actors could abuse vulnerable SMTP servers worldwide to send malicious emails from...

Exploit for Insufficient Verification of Data Authenticity in Postfix

CVE-2023-51764 Postfix SMTP Smuggling - Expect Script POC sen...

Debian dla-3680 : libopendkim-dev - security update

The remote Debian 10 host has packages installed that are affected by a vulnerability as referenced in the dla-3680 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-3680-1 [email protected] https://www.debian.org/lts/security/...

Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS : OpenDMARC vulnerabilities (USN-6356-1)

The remote Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6356-1 advisory. Jianjun Chen, Vern Paxson and Jian Jiang discovered that OpenDMARC incorrectly handled certain inputs. If a user or an automated...

[SECURITY] Fedora 37 Update: php-phpmailer6-6.8.1-1.fc37

PHPMailer - A full-featured email creation and transfer class for PHP Class Features Probably the world's most popular code for sending email from PHP! Used by many open-source projects: WordPress, Drupal, 1CRM, SugarCRM, Yii, Joomla! and many more Integrated SMTP support - send without a local...

[SECURITY] Fedora 38 Update: php-phpmailer6-6.8.1-1.fc38

PHPMailer - A full-featured email creation and transfer class for PHP Class Features Probably the world's most popular code for sending email from PHP! Used by many open-source projects: WordPress, Drupal, 1CRM, SugarCRM, Yii, Joomla! and many more Integrated SMTP support - send without a local...

Debian dla-3546 : libopendmarc-dev - security update

The remote Debian 10 host has packages installed that are affected by a vulnerability as referenced in the dla-3546 advisory. - ------------------------------------------------------------------------- Debian LTS Advisory DLA-3546-1 [email protected] https://www.debian.org/lts/security/...

Debian dla-3509 : libmail-dkim-perl - security update

The remote Debian 10 host has a package installed that is affected by a vulnerability as referenced in the dla-3509 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-3509-1 [email protected] https://www.debian.org/lts/security/...

Debian: Security Advisory (DLA-3509-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2023 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] [DLA 3509-1] libmail-dkim-perl update

Debian LTS Advisory DLA-3509-1 [email protected] https://www.debian.org/lts/security/ Markus Koschany July 27, 2023 https://wiki.debian.org/LTS Package : libmail-dkim-perl Version : 0.54-1+deb10u1 Debian Bug : 1039489 It was discovered that the domain check in libmail-dkim-perl, a Perl...

DLA-3509-1 libmail-dkim-perl - security update

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CVE-2022-48521

An issue was discovered in OpenDKIM through 2.10.3, and 2.11.x through 2.11.0-Beta2. It fails to keep track of ordinal numbers when removing fake Authentication-Results header fields, which allows a remote attacker to craft an e-mail message with a fake sender address such that programs that rely...

UBUNTU-CVE-2022-48521

An issue was discovered in OpenDKIM through 2.10.3, and 2.11.x through 2.11.0-Beta2. It fails to keep track of ordinal numbers when removing fake Authentication-Results header fields, which allows a remote attacker to craft an e-mail message with a fake sender address such that programs that rely...