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VID 18118
Severity 40
Port 25
Protocol TCP
Class SMTP
Detailed Description According to its banner and supported extensions, the remote installation of Exim is affected by a code execution flaw. The implementation of the BDAT SMTP verb for sending large binary messages introduced in Exim 4.88 can incorrectly free an in-use region of memory, leading to memory corruption and potentially allowing an attacker to execute code.
* References:
https://lists.exim.org/lurker/message/20171125.034842.d1d75cac.en.html
* Platforms Affected:
Cambridge University, Exim versions prior to 4.89.1
Unix Any version
Linux Any version
Recommendation Upgrade to the latest exim package (4.89.1 or later), available from the Exim Internet Mailer Web site at http://www.exim.org/
Related URL CVE-2017-16943 (CVE)
Related URL (SecurityFocus)
Related URL (ISS)