[Pkg-samba-maint] Bug#868209: CVE-2017-11103: MitM attack, impersonation of the Kerberos client, known as Orpheus Lyre

Andrew Bartlett abartlet at samba.org
Thu Jul 13 06:05:56 UTC 2017

On Thu, 2017-07-13 at 07:14 +0200, Raphael Hertzog wrote:
> Source: samba
> Severity: grave
> Tags: security patch
> Version: 2:4.1.11+dfsg-1
> Hi,
> the following vulnerability was published for samba (due to its embedded
> copy of heimdal). I checked the build logs for unstable and apparently it
> does use this copy (I don't know the status for older releases).
> CVE-2017-11103[0]: MitM attack, impersonation of the Kerberos client, know as Orpheus Lyre
> A dedicated website is here:
> https://orpheus-lyre.info/
> The samba announce and patch are here:
> https://www.samba.org/samba/security/CVE-2017-11103.html
> https://download.samba.org/pub/samba/patches/security/samba-4.x.y-CVE-2017-11103.patch
> If you fix the vulnerability please also make sure to include the
> CVE (Common Vulnerabilities & Exposures) id in your changelog entry.
> For further information see:
> [0] https://security-tracker.debian.org/tracker/CVE-2017-11103
>     https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11103
> Please adjust the affected versions in the BTS as needed.

Proposed updates are in jessie and stretch branches at:


I've only built them, not tested them.  Then again, the upstream
patches were not manually tested either (we relied on autobuild), such
was the rush...

I can upload the built binaries if you want to test them or comment.


Andrew Bartlett

Andrew Bartlett                       http://samba.org/~abartlet/
Authentication Developer, Samba Team  http://samba.org
Samba Developer, Catalyst IT          http://catalyst.net.nz/services/samba

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