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...

CVE-2024-25768

OpenDMARC 1.4.2 contains a null pointer dereference vulnerability in /OpenDMARC/libopendmarc/opendmarcpolicy.c...

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...

Spoofy - Program That Checks If A List Of Domains Can Be Spoofed Based On SPF And DMARC Records

Spoofy is a program that checks if a list of domains can be spoofed based on SPF and DMARC records. You may be asking, "Why do we need another tool that can check if a domain can be spoofed?" Well, Spoofy is different and here is why: 1. Authoritative lookups on all lookups with known fallback...

Mozilla: Potential Spoofing Risk through Firefox Private Relay Service

A potential spoofing risk was identified in the Firefox Private Relay service. Adversaries were able to send spoofing emails to users by leveraging the service. The design of the service allowed these spoofing emails to bypass security measures and reach the target inbox. This was due to the...

dmarcts-report-viewer 跨站脚本漏洞

dmarcts-report-viewer is a PHP viewer for DMARC records by TechSneeze Individual Developers. A security vulnerability exists in dmarcts-report-viewer dashboard version 1.1. An attacker can exploit this vulnerability to execute arbitrary code via the orgname or domain value...

Anarchy in the UK? Not Quite: A look at the cyber health of the FTSE 350

The attack surface of the United Kingdom's 350 largest publicly traded companies has—drum roll, please—improved. But it could be better. Those are the high level findings of the latest in Rapid7's looks at the cybersecurity health of companies tied to some of the globe's largest stock indices. Th...

Fedora 36 : exim (2022-ebd5bb0478)

The remote Fedora 36 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2022-ebd5bb0478 advisory. Fixed use after free in dmarcdnslookup CVE-2022-3620. Tenable has extracted the preceding description block directly from the Fedora security advisory. Note...

Fedora 35 : exim (2022-ebbac924d3)

The remote Fedora 35 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2022-ebbac924d3 advisory. Fixed use after free in dmarcdnslookup CVE-2022-3620. Tenable has extracted the preceding description block directly from the Fedora security...

Use After Free

exim4 is vulnerable to use-after-free. The vulnerability exists in the function dmarcdnslookup of the file dmarc.c of the component DMARC Handler which allows an attacker to cause an application crash...

The vulnerability in the implementation of the dmarc_dns_lookup function (dmarc.c) of the Exim mail server’s DMARC handler allows a hacker to gain unauthorized access to protected information.

The vulnerability of the implementation of the dmarcdnslookup function dmarc.c, which is part of the DMARC email server handler from Exim, relates to the use of memory after it is freed. Exploiting this vulnerability could allow a remote attacker to gain unauthorized access to protected informati...

CVE-2022-3620

A vulnerability was found in Exim and classified as problematic. This issue affects the function dmarcdnslookup of the file dmarc.c of the component DMARC Handler. The manipulation leads to use after free. The attack may be initiated remotely. The name of the patch is...

DEBIAN-CVE-2022-3620

A vulnerability was found in Exim and classified as problematic. This issue affects the function dmarcdnslookup of the file dmarc.c of the component DMARC Handler. The manipulation leads to use after free. The attack may be initiated remotely. The name of the patch is...

CVE-2022-3620

A vulnerability was found in Exim and classified as problematic. This issue affects the function dmarcdnslookup of the file dmarc.c of the component DMARC Handler. The manipulation leads to use after free. The attack may be initiated remotely. The name of the patch is...

Design/Logic Flaw

A vulnerability was found in Exim and classified as problematic. This issue affects the function dmarcdnslookup of the file dmarc.c of the component DMARC Handler. The manipulation leads to use after free. The attack may be initiated remotely. The name of the patch is...

CVE-2022-3620 Exim DMARC dmarc.c dmarc_dns_lookup use after free

A vulnerability was found in Exim and classified as problematic. This issue affects the function dmarcdnslookup of the file dmarc.c of the component DMARC Handler. The manipulation leads to use after free. The attack may be initiated remotely. The name of the patch is...