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Sicherheit: Mangelnde Rechteprüfung in libssh
Aktuelle Meldungen Distributionen
Name: Mangelnde Rechteprüfung in libssh
ID: USN-3795-1
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS
Datum: Mi, 17. Oktober 2018, 16:54
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-10933
Applikationen: libssh

Originalnachricht

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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <de38f8a2-8e16-8836-87c2-13b10c4ee5e5@canonical.com>
Subject: [USN-3795-1] libssh vulnerability

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==========================================================================
Ubuntu Security Notice USN-3795-1
October 17, 2018

libssh vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

libssh could allow unintended access to network services.

Software Description:
- libssh: A tiny C SSH library

Details:

Peter Winter-Smith discovered that libssh incorrectly handled
authentication when being used as a server. A remote attacker could use
this issue to bypass authentication without any credentials.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS:
libssh-4 0.8.0~20170825.94fa1e38-1ubuntu0.1

Ubuntu 16.04 LTS:
libssh-4 0.6.3-4.3ubuntu0.1

Ubuntu 14.04 LTS:
libssh-4 0.6.1-0ubuntu3.4

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
https://usn.ubuntu.com/usn/usn-3795-1
CVE-2018-10933

Package Information:
https://launchpad.net/ubuntu/+source/libssh/0.8.0~20170825.94fa1e38-1ubuntu0.1
https://launchpad.net/ubuntu/+source/libssh/0.6.3-4.3ubuntu0.1
https://launchpad.net/ubuntu/+source/libssh/0.6.1-0ubuntu3.4


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