SMTP Smuggling: New Flaw Lets Attackers Bypass Security and Spoof Emails
January 3, 2024 at 06:18AM A new exploitation technique called SMTP smuggling allows threat actors to send malicious emails with fake sender addresses, bypassing security measures. The method exploits vulnerabilities in messaging servers from Microsoft, GMX, and Cisco, impacting SMTP implementations from Postfix and Sendmail. Cisco users are advised to change settings to avoid receiving … Read more