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Date: Mon, 22 Jul 2019 11:21:46 +0000
From: Mikhail Klementev <root@...pstack.io>
To: oss-security@...ts.openwall.com
Subject: Re: CVE-2019-13917 OVE-20190718-0006: Exim: security
release ahead
Kindly notice that this is a public mail list.
On Mon, Jul 22, 2019 at 12:00:13PM +0200, Heiko Schlittermann wrote:
> *** Note: EMBARGO is still in effect until July 25th, 10:00 UTC. ***
> *** Distros must not publish any detail nor release updates yet. ***
>
> CVE ID: CVE-2019-13917
> OVE ID: OVE-20190718-0006
> Date: 2019-07-18
> Credits: Jeremy Harris
> Version(s): 4.85 up to and including 4.92
> Issue: A local or remote attacker can execute programs with root
> privileges - if you've an unusual configuration. For details
> see below.
>
> Coordinated Release Date (CRD) for Exim 4.92.1:
> Thu Jul 25 10:00:00 UTC 2019
>
> Contact: security@...m.org
>
> This is a *heads-up* notice about the upcoming release.
> You may plan your availability and schedule an update of the Exim
> packages supplied by your distribution or build the new release from the
> source, once the release goes public on CRD.
>
> Details
> =======
>
> We discovered a vulnerability. We consider the risk of an exploit as
> low, you need to have a fairly unusual runtime configuration. Neither
> our default runtime configuration nor the runtime configuration shipped
> by the Debian distribution is vulnerable.
>
> The vulnerability is exploitable either remotely or locally and could
> be used to execute other programs with root privilege.
>
> More details and fixes are not yet public, but will be made public on
> CRD, July 25th.
>
> Timeline
> ========
>
> t0: Thu Jul 18 2019
> - this notice to distros@...openwall.org and exim-maintainers@...m.org
> - open limited access to our security Git repo. See below.
>
> t0+~4d: Mon Jul 22 10:00:00 UTC 2019 [NOW]
> - heads-up notice to oss-security@...ts.openwall.com,
> exim-users@...m.org, and exim-announce@...m.org
>
> t0+~7d: Thu Jul 25 10:00:00 UTC 2019
> - Coordinated relase date
> - publish the patches in our official and public Git repositories
> and the packages on our FTP server.
>
> Downloads available starting at CRD
> ====================================
>
> For release tarballs (exim-4.92.1):
>
> http://ftp.exim.org/pub/exim/exim4/
>
> The package files are signed with my GPG key.
>
> For the full Git repo:
>
> https://git.exim.org/exim.git
> https://github.com/Exim/exim [mirror of the above]
> - tag exim-4.92.1
> - branch exim-4.92.1+fixes
>
> The tagged commit is the officially released version. The tag is signed
> with my GPG key. The +fixes branch isn't officially maintained, but
> contains useful patches *and* the security fix. The relevant commit is
> signed with my GPG key. The old exim-4.92+fixes branch is being functionally
> replaced by the new exim-4.92.1+fixes branch.
>
> Best regards from Dresden/Germany
> Viele Grüße aus Dresden
> Heiko Schlittermann
> --
> SCHLITTERMANN.de ---------------------------- internet & unix support -
> Heiko Schlittermann, Dipl.-Ing. (TU) - {fon,fax}: +49.351.802998{1,3} -
> gnupg encrypted messages are welcome --------------- key ID: F69376CE -
> ! key id 7CBF764A and 972EAC9F are revoked since 2015-01 ------------ -
--
Mikhail Klementev,
https://dumpstack.io
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