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Sicherheit: Ausführen beliebiger Kommandos in opensmtpd
Aktuelle Meldungen Distributionen
Name: Ausführen beliebiger Kommandos in opensmtpd
ID: FEDORA-2020-31216ab928
Distribution: Fedora
Plattformen: Fedora 30
Datum: Di, 3. März 2020, 23:19
Referenzen: https://bugzilla.redhat.com/show_bug.cgi?id=1801477
Applikationen: opensmtpd

Originalnachricht

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Fedora Update Notification
FEDORA-2020-31216ab928
2020-03-03 20:53:23.501469
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Name : opensmtpd
Product : Fedora 30
Version : 6.6.4p1
Release : 1.fc30
URL : http://www.opensmtpd.org/
Summary : Free implementation of the server-side SMTP protocol as defined
by RFC 5321
Description :
OpenSMTPD is a FREE implementation of the server-side SMTP protocol as defined
by RFC 5321, with some additional standard extensions. It allows ordinary
machines to exchange e-mails with other systems speaking the SMTP protocol.
Started out of dissatisfaction with other implementations, OpenSMTPD nowadays
is a fairly complete SMTP implementation. OpenSMTPD is primarily developed
by Gilles Chehade, Eric Faurot and Charles Longeau; with contributions from
various OpenBSD hackers. OpenSMTPD is part of the OpenBSD Project.
The software is freely usable and re-usable by everyone under an ISC license.

This package uses standard "alternatives" mechanism, you may call
"/usr/sbin/alternatives --set mta /usr/sbin/sendmail.opensmtpd"
if you want to switch to OpenSMTPD MTA immediately after install, and
"/usr/sbin/alternatives --set mta /usr/sbin/sendmail.sendmail" to
revert
back to Sendmail as a default mail daemon.

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Update Information:

Release 6.6.4p1 (2020-02-24) --- - An out of bounds read in smtpd allows an
attacker to inject arbitrary commands into the envelope file which are then
executed as root. Separately, missing privilege revocation in smtpctl allows
arbitrary commands to be run with the _smtpq group. Release 6.6.3p1
(2020-02-10) --- - Following the 6.6.2p1 release, various improvements were
done in OpenBSD -current to mitigate the risk of similar bugs.
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ChangeLog:

* Mon Feb 24 2020 Denis Fateyev <denis@fateyev.com> - 6.6.4p1-1
- Update to 6.6.4p1 release
* Thu Jan 30 2020 Denis Fateyev <denis@fateyev.com> - 6.6.2p1-1
- Update to 6.6.2p1 release
- Remove obsolete patch and spec cleanup
* Wed Jan 29 2020 Fedora Release Engineering <releng@fedoraproject.org> -
6.0.3p1-9
- Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
* Thu Jul 25 2019 Fedora Release Engineering <releng@fedoraproject.org> -
6.0.3p1-8
- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
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References:

[ 1 ] Bug #1801477 - opensmtpd-6.6.4p1 is available
https://bugzilla.redhat.com/show_bug.cgi?id=1801477
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2020-31216ab928' at the command
line. For more information, refer to the dnf documentation available at
http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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