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400,000 Servers Using Exim May be at Risk of Serious Code-Execution Attacks

posted by takyon on Thursday March 08 2018, @09:33AM   Printer-friendly
from the you've-got-mailware dept.

Arthur T Knackerbracket has found the following story:

A bug in an obscure but widely used email program may be putting as many as 400,000 servers around the world at risk of serious attack until they install an update.

The flaw—which is in all releases of the Exim message transfer agent except for version 4.90.1—opens servers to attacks that can execute malicious code, researchers who discovered the vulnerability warned in an advisory published Tuesday. The buffer overflow vulnerability, which is indexed as CVE-2018-6789, resides in base64 decode function. By sending specially manipulated input to a server running Exim, attackers may be able to remotely execute code.

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  • (Score: 0) by Anonymous Coward on Thursday March 08 2018, @09:14PM

    by Anonymous Coward on Thursday March 08 2018, @09:14PM (#649713)

    If they use cPanel, they're using Exim and Dovecot. Unless they're on a really old version of cPanel, anyway, in which case they're using Exim and Courier IMAP. But cPanel backported the patch for this during the embargo.