ESB-2017.3016 - [FreeBSD] exim: Execute arbitrary code/commands - Remote/unauthenticated 2017-11-28

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.3016
          exim -- remote code execution, deny of service in BDAT
                             28 November 2017

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           exim
Publisher:         FreeBSD
Operating System:  FreeBSD
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Denial of Service               -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-16943  

Reference:         ESB-2017.3006

Original Bulletin: 
   http://www.vuxml.org/freebsd/68b29058-d348-11e7-b9fe-c13eb7bcbf4f.html

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exim -- remote code execution, deny of service in BDAT

Affected packages
4.88	<=	exim	<	4.89_2
Details

VuXML ID	68b29058-d348-11e7-b9fe-c13eb7bcbf4f
Discovery	2017-11-23
Entry	2017-11-27
Exim team reports:

The receive_msg function in receive.c in the SMTP daemon in Exim 4.88 and 4.89 allows remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via vectors involving BDAT commands.

[source]
References

URL	https://bugs.exim.org/show_bug.cgi?id=2199

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