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Sicherheit: Preisgabe von Informationen in openssh
Aktuelle Meldungen Distributionen
Name: Preisgabe von Informationen in openssh
ID: FEDORA-2018-f56ded11c4
Distribution: Fedora
Plattformen: Fedora 27
Datum: Do, 13. September 2018, 23:09
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-15473
Applikationen: OpenSSH

Originalnachricht

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Fedora Update Notification
FEDORA-2018-f56ded11c4
2018-09-13 17:05:57.362418
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Name : openssh
Product : Fedora 27
Version : 7.6p1
Release : 6.fc27
URL : http://www.openssh.com/portable.html
Summary : An open source implementation of SSH protocol version 2
Description :
SSH (Secure SHell) is a program for logging into and executing
commands on a remote machine. SSH is intended to replace rlogin and
rsh, and to provide secure encrypted communications between two
untrusted hosts over an insecure network. X11 connections and
arbitrary TCP/IP ports can also be forwarded over the secure channel.

OpenSSH is OpenBSD's version of the last free version of SSH, bringing
it up to date in terms of security and features.

This package includes the core files necessary for both the OpenSSH
client and server. To make this package useful, you should also
install openssh-clients, openssh-server, or both.

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Update Information:

Security fix for CVE-2018-15473
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ChangeLog:

* Sat Aug 25 2018 Jakub Jelen <jjelen@redhat.com> - 7.6p1-6 + 0.10.3-3
- Fix CVE-2018-15473 (#1619064)
* Thu Feb 1 2018 Jakub Jelen <jjelen@redhat.com> - 7.6p1-5 + 0.10.3-3
- Build correctly against systemd
* Thu Feb 1 2018 Jakub Jelen <jjelen@redhat.com> - 7.6p1-4 + 0.10.3-3
- Whitelist gettid() syscall in seccomp filter (#1524392)
- Do not pass hostnames to audit -- UseDNS is usually disabled (#1534577)
- Rework audit events to match requirements
- Packaging details from rawhide
* Mon Dec 11 2017 Jakub Jelen <jjelen@redhat.com> - 7.6p1-3 + 0.10.3-3
- Do not segfault during audit cleanup (#1524233)
- Avoid gcc warnings about uninitialized variables
* Wed Nov 22 2017 Jakub Jelen <jjelen@redhat.com> - 7.6p1-2 + 0.10.3-3
- Do not build everything against libldap
- Do not segfault for ECC keys in PKCS#11
* Thu Oct 19 2017 Jakub Jelen <jjelen@redhat.com> - 7.6p1-1 + 0.10.3-3
- New upstream release OpenSSH 7.6
- Addressing review remarks for OpenSSL 1.1.0 patch
- Fix PermitOpen bug in OpenSSH 7.6
- Drop support for ExposeAuthenticationMethods option
* Mon Sep 11 2017 Jakub Jelen <jjelen@redhat.com> - 7.5p1-6 + 0.10.3-2
- Do not export KRBCCNAME if the default path is used (#1199363)
- Add enablement for openssl-ibmca and openssl-ibmpkcs11 (#1477636)
- Add new GSSAPI kex algorithms with SHA-2, but leave them disabled for now
- Enforce pam_sepermit for all logins in SSH (#1492313)
- Remove pam_reauthorize, since it is not needed by cockpit anymore (#1492313)
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References:

[ 1 ] Bug #1619063 - CVE-2018-15473 openssh: User enumeration via malformed
packets in authentication requests
https://bugzilla.redhat.com/show_bug.cgi?id=1619063
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This update can be installed with the "dnf" update program. Use
su -c 'dnf upgrade --advisory FEDORA-2018-f56ded11c4' 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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