CVE-2017-15906

The processopen function in sftp-server.c in OpenSSH before 7.6 does not properly prevent write operations in readonly mode, which allows attackers to create zero-length files...

OpenSSH < 7.6

According to its banner, the version of OpenSSH running on the remote host is prior to 7.6. It is, therefore, affected by a file creation restriction bypass vulnerability related to the 'processopen' function in the file 'sftp-server.c' that allows authenticated users to create zero-length files...

VirtualBox GuestAdditions for Linux Guest OS

I often work with VirtualBox virtual machines and need to install GuestAdditions to use GUI applications comfortably. So, I decided to collect here some configuration scripts. CentOS 7 In the configuration a new VirtualBox machine I add 2 network adapters: Host Only Network NAT Installing clean...

Amazon Linux AMI : openssh (ALAS-2017-898)

A covert timing channel flaw was found in the way OpenSSH handled authentication of non-existent users. A remote unauthenticated attacker could possibly use this flaw to determine valid user names by measuring the timing of server responses. CVE-2016-6210 It was found that OpenSSH did not limit...

FreeBSD : FreeBSD -- OpenSSH Denial of Service vulnerability (6ed5c5e3-a840-11e7-b5af-a4badb2f4699)

There is no limit on the password length. Impact : A remote attacker may be able to cause an affected SSH server to use excessive amount of CPU by sending very long passwords, when PasswordAuthentication is enabled by the system administrator. %NASLMINLEVEL 70300 C Tenable Network Security, Inc...

Medium: openssh

Issue Overview: A covert timing channel flaw was found in the way OpenSSH handled authentication of non-existent users. A remote unauthenticated attacker could possibly use this flaw to determine valid user names by measuring the timing of server responses. CVE-2016-6210 It was found that OpenSSH...

EulerOS 2.0 SP1 : openssh (EulerOS-SA-2017-1189)

According to the version of the openssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - A covert timing channel flaw was found in the way OpenSSH handled authentication of non-existent users. A remote unauthenticated attacker could...

EulerOS 2.0 SP2 : openssh (EulerOS-SA-2017-1190)

According to the version of the openssh packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - A covert timing channel flaw was found in the way OpenSSH handled authentication of non-existent users. A remote unauthenticated attacker could...

Oracle Linux 6 : openssh (ELSA-2017-2563)

The remote Oracle Linux 6 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2017-2563 advisory. 5.3p1-123 - Fix for CVE-2016-6210: User enumeration via covert timing channel 1357442 Tenable has extracted the preceding description block directly from the...

CentOS Update for openssh CESA-2017:2563 centos6

Check the version of openssh SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription scriptoid"1.3.6.1.4.1.25623.1.0.882763";...

FreeBSD < 10.3-RELEASE-p21 / 11.0 < 11.0-RELEASE-p12 / 11.1 < 11.1-RELEASE-p1 OpenSSH Password Length DoS (FreeBSD-SA-17:06.openssh)

The version of the FreeBSD kernel running on the remote host is prior to 10.3-RELEASE-p21, 11.0 prior to 11.0-RELEASE-p12, or 11.1 prior to 11.1-RELEASE-p1. It, therefore, affected by a flaw in built-in password authentication in OpenSSH. An unauthenticated, remote attacker can exploit this issue...

RHEL 6 : openssh (RHSA-2017:2563)

The remote Redhat Enterprise Linux 6 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2017:2563 advisory. OpenSSH is an SSH protocol implementation supported by a number of Linux, UNIX, and similar operating systems. It includes the core files necessary f...

RedHat Update for openssh RHSA-2017:2563-01

The remote host is missing an update for the SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

OracleVM 3.3 / 3.4 : openssh (OVMSA-2017-0150)

The remote OracleVM system is missing necessary patches to address critical security updates : - Fix for CVE-2016-6210: User enumeration via covert timing channel 1357442 %NASLMINLEVEL 70300 C Tenable Network Security, Inc. The package checks in this plugin were extracted from OracleVM Security...

CentOS 6 : openssh (CESA-2017:2563)

An update for openssh is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

openssh, pam_ssh_agent_auth security update

CentOS Errata and Security Advisory CESA-2017:2563 An update for openssh is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

openssh: User enumeration via covert timing channel

A covert timing channel flaw was found in the way OpenSSH handled authentication of non-existent users. A remote unauthenticated attacker could possibly use this flaw to determine valid user names by measuring the timing of server responses...

Moderate: Red Hat Security Advisory: openssh security update

An update for openssh is now available for Red Hat Enterprise Linux 6. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

openssh security update

5.3p1-123 - Fix for CVE-2016-6210: User enumeration via covert timing channel 1357442...

BSA-2017-371

Security Advisory ID : BSA-2017-371 Component : OpenSSH Revision : 1.0: Interim ssh in OpenSSH before 4.7 does not properly handle when an untrusted cookie cannot be created and uses a trusted X11 cookie instead, which allows attackers to violate intended policy and gain privileges by causing an ...