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Date: Tue, 28 Nov 2017 22:43:59 +0100
From: Heiko Schlittermann <>
Subject: CVE-2017-16943 CVE-2017-16944 (Was:RCE in Exim reported)

Phil Pennock <> (Sa 25 Nov 2017 04:59:12 CET):
> In Post-Thanksgiving mail-catchup, I see that the Exim Project was
> gifted with a couple of surprises in our public bugtracker on Thursday
> morning.  Complete with proof-of-concept small Python script.
> I've requested CVEs, don't have them yet.
> My mail to our announce list:
> Public bugtracker links:

Both issues are fixed now.

    CVE-2017-16943  (RCE)       Exim Bug 2199
        master:             4e6ae6235c68de243b1c2419027472d7659aa2b4
        exim-4_89+fixes:    4090d62a4b25782129cc1643596dc2f6e8f63bde
    Fix done by Jeremy Harrys

    CVE-2017-16944  (DoS)       Exim Bug 2201
        master:             178ecb70987f024f0e775d87c2f8b2cf587dd542
        exim-4_89+fixes:    4804c62909a62a3ac12ec4777ebd48c541028965
    Fix done by me.

    Best regards from Dresden/Germany
    Viele Grüße aus Dresden
    Heiko Schlittermann
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