NSA warns of new Sandworm attacks on email servers

[correlate]

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May 4, 2019
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The U.S. National Security Agency (NSA) says that Russian military threat actors known as Sandworm Team have been exploiting a critical flaw in the Exim mail transfer agent (MTA) software since at least August 2019.

The vulnerability tracked as CVE-2019-10149 and named "The Return of the WIZard" makes it possible for unauthenticated remote attackers to execute arbitrary commands as root on vulnerable mail servers — for some non-default server configurations — after sending a specially crafted email.
"When the patch was released last year, Exim urged its users to update to the latest version," the agency says. "NSA adds its encouragement to immediately patch to mitigate against this still current threat."
 

silversurfer

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Patching Exim mail servers is not going fast enough and members of the Russian hacker group Sandworm are actively exploiting three critical vulnerabilities that allow executing remote command or code remotely.

Close to a million Exim servers are currently exposed and vulnerable, although the number is gradually getting lower every day. Exim 4.93 is currently considered a safe release.
 

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