Critical Code Execution Flaw Found in Exim

November 28, 2017

Serious vulnerabilities that can be exploited for remote code execution and denial-of-service (DoS) attacks have been found in the popular mail transfer agent (MTA) software Exim.

Exim is an open source MTA for Unix systems created at the University of Cambridge. An analysis of more than one million mail servers conducted back in March showed that over 56 percent of them had been running Exim.

A researcher who uses the online moniker “Meh,” a member of the research team at Taiwan-based security firm DEVCORE, discovered that Exim is affected by a couple of potentially serious vulnerabilities.

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