Safety And Security

CVE-2019-16928: Exploiting an Exim Vulnerability via EHLO Strings

Trend Micro

In September, security researchers discovered the existence of CVE-2019-16928, a vulnerability involving the mail transfer agent Exim. Exim accounts for over 50% of publicly reachable mail servers on the internet. What makes the bug particularly noteworthy is that threat actors could exploit it to perform denial of service (DoS) or possibly even remote code execution attacks (RCE) — making it a serious concern for Exim customers who use vulnerable versions of the software.

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