Default credentials

Firmware version 4.60 of Zyxel USG devices contains an undocumented account zyfwp with an unchangeable password. The password for this account can be found in cleartext in the firmware. This account can be used by someone to login to the ssh server or web interface with admin privileges...

CVE-2020-29652

A null pointer dereference vulnerability was found in golang. When using the library's ssh server without specifying an option for GSSAPIWithMICConfig, it is possible for an attacker to craft an ssh client connection using the gssapi-with-mic authentication method and cause the server to panic...

SSF Service

The SSF service is running on the target host. Copyright C 2020 Greenbone Networks GmbH 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-or-later This program is free software; you can...

F5 Networks BIG-IP : F5 SSH server key size vulnerability (K43404629)

The version of F5 Networks BIG-IP installed on the remote host is prior to 12.1.5.2 / 13.1.3.6 / 14.1.2.4 / 15.0.1.4 / 15.1.0.5 / 16.0.0. It is, therefore, affected by a vulnerability as referenced in the K43404629 advisory. The BIG-IP and BIG-IQ host OpenSSH servers use keys less than 2048 bits...

Security Bulletin: ssh Server used in IBM WebSphere Application Server in IBM Cloud Supports Weak Key Exchange Algorithms

Summary The sshd server provided with IBM WebSphere Application Server in IBM Cloud supports weak KEX and HostKey algorithms. Vulnerability Details Refer to the security bulletins listed in the Remediation/Fixes section Affected Products and Versions Affected Products| Versions ---|--- WASaaS|...

Security Bulletin: Legacy Components of IBM Netcool Configuration Manager have been updated.

Summary An out-of-date component, Maverick legacy SSH Server, has been replaced in IBM Netcool Configuration Manager 6.4.2 Fix Pack 11. This bulletin contains information on how to upgrade IBM Netcool Configuration Manager. Vulnerability Details Third Party Entry: PSIRT-ADV0022743 DESCRIPTION:...

Dropbear: Multiple vulnerabilities

Background Dropbear is an SSH server and client designed with a small memory footprint. Description Multiple vulnerabilities have been discovered in Dropbear. Please review the CVE identifiers referenced below for details. Impact Please review the referenced CVE identifiers for details. Workaroun...

PuTTY -- Release 0.74 fixes two security vulnerabilities

Simon Tatham reports: Release 0.74 fixes the following security issues: New configuration option to disable PuTTY's default policy of changing its host key algorithm preferences to prefer keys it already knows. There is a theoretical information leak in this policy. CVE-2020-14002 In some...

EulerOS Virtualization for ARM 64 3.0.6.0 : python-paramiko (EulerOS-SA-2020-1703)

According to the version of the python-paramiko package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerability : - Paramiko version 2.4.1, 2.3.2, 2.2.3, 2.1.5, 2.0.8, 1.18.5, 1.17.6 contains a Incorrect Access Control...

Cisco IOS XE Software Secure Shell DoS (cisco-sa-ssh-dos-Un22sd2A)

According to its self-reported version, Cisco IOS XE Software is affected by a vulnerability in the Secure Shell SSH server code due to an internal state not being represented correctly in the SSH state machine, which leads to an unexpected behavior. An authenticated, remote attacker can exploit...

EulerOS 2.0 SP8 : python-paramiko (EulerOS-SA-2020-1588)

According to the version of the python-paramiko packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - Paramiko version 2.4.1, 2.3.2, 2.2.3, 2.1.5, 2.0.8, 1.18.5, 1.17.6 contains a Incorrect Access Control vulnerability in SSH server that ca...

Huawei Data Communication: SSH Server Version

The SSH version 1.0 is considered as insecure and thus should not be used. Copyright C 2020 Greenbone Networks GmbH 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-or-later This program is...

Huawei Data Communication: Read ssh server status

Get the current SSH server configuration of the VRP device. Note: This script only stores information for other Policy Controls. Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

libssh2 < 1.8.1 Integer Overflow Vulnerability.

An integer overflow condition exists in libssh2 before 1.8.1 due to the way packets are read from the server. An authenticated, local attacker can exploit this if they have already compromised an SSH server. The attacker may be able to execute code on the system of users who connect to the SSH...

CVE-2018-7750

It was found that when acting as an SSH server, paramiko did not properly check whether authentication is completed before processing other requests. A customized SSH client could use this to bypass authentication when accessing any resources controlled by paramiko...

CVE-2018-1000805

Paramiko version 2.4.1, 2.3.2, 2.2.3, 2.1.5, 2.0.8, 1.18.5, 1.17.6 contains a Incorrect Access Control vulnerability in SSH server that can result in RCE. This attack appear to be exploitable via network connectivity...

CVE-2019-3855

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 in the way packets are read from the server. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server...

Zyxel CNM SecuManager 3.1.0 / 3.1.1 Hardcoded Keys / XSS / Code Execution Vulnerabilities

Zyxel CNM SecuManager versions 3.1.0 and 3.1.1 suffer from having hard-coded secrets, missing authentication, backdoors, and remote code execution vulnerabilities. Zyxel CNM SecuManager 3.1.0 / 3.1.1 Hardcoded Keys / XSS / Code Execution The HTML version on "Multiple vulnerabilities found in Zyxe...

Zyxel CNM SecuManager 3.1.0 / 3.1.1 Hardcoded Keys / XSS / Code Execution

Hello, Please find a text-only version below sent to security mailing lists. The HTML version on "Multiple vulnerabilities found in Zyxel CNM SecuManager" is posted here: https://pierrekim.github.io/blog/2020-03-09-zyxel-secumanager-0day-vulnerabilities.html === text-version of the advisory ===...

CVE-2018-10933

Description libssh versions 0.6 and above have an authentication bypass vulnerability in the server code. By presenting the server an SSH2MSGUSERAUTHSUCCESS message in place of the SSH2MSGUSERAUTHREQUEST message which the server would expect to initiate authentication, the attacker could...