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 Cross-site Scripting Vulnerability

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 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...

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...

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...

Exim DMARC Handler Unauthorized Access

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...

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...

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...

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...

CVE-2022-3620: Improper Restriction of Operations within the Bounds of a Memory Buffer

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...

CVE-2022-3620

CVE-2022-3620 is a vulnerability in Exim affecting the DMARC Handler’s function dmarc_dns_lookup in the file dmarc.c . The issue is described as a use-after-free vulnerability, with the attack surface being remote. The vulnerability is acknowledged in multiple advisories and Nessus plugins as fix...

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...