OESA-2024-1048 proftpd security update

ProFTPD is an enhanced FTP server with a focus toward simplicity, security, and ease of configuration. It features a very Apache-like configuration syntax, and a highly customizable server infrastructure, including support for multiple 'virtual' FTP servers, anonymous FTP, and permission-based...

[SECURITY] Fedora 39 Update: openssh-9.3p1-10.fc39

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 forward...

Ubuntu: Security Advisory (USN-6560-2)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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...

Debian: Security Advisory (DLA-3694-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2024 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...

USN-6560-2: OpenSSH vulnerabilities

USN-6560-1 fixed several vulnerabilities in OpenSSH. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: Fabian Bäumer, Marcus Brinkmann, Jörg Schwenk discovered that the SSH protocol was vulnerable to a prefix truncation attack. If ...

USN-6560-2 openssh vulnerabilities

USN-6560-1 fixed several vulnerabilities in OpenSSH. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: Fabian Bäumer, Marcus Brinkmann, Jörg Schwenk discovered that the SSH protocol was vulnerable to a prefix truncation attack. If ...

Fedora 39 : openssh (2024-7e301327c2)

The remote Fedora 39 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2024-7e301327c2 advisory. Forbid shell metasymbols in username/hostname Resolve Terrapin attack Apply destination constraints to all PKCS11 keys Tenable has extracted the preceding...

Ubuntu 16.04 ESM / 18.04 ESM : OpenSSH vulnerabilities (USN-6560-2)

The remote Ubuntu 16.04 ESM / 18.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6560-2 advisory. USN-6560-1 fixed several vulnerabilities in OpenSSH. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS...

Moderate Photon OS Security Update - PHSA-2024-4.0-0545

Updates of 'openssh' packages of Photon OS have been released...

Fedora 38 : putty (2024-71c2c6526c)

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-71c2c6526c advisory. Security fix for CVE-2023-48795. Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus...

OpenSSH Rowhammer Authentication Bypass

The vulnerability of the mm-answer-authpassword function in the OpenSSH cryptographic protection mechanism is related to deficiencies in the authentication process. This vulnerability arises when an operation exceeds the buffer boundaries in memory, resulting in bit manipulation errors. Exploitin...

Important Photon OS Security Update - PHSA-2024-5.0-0188

Updates of 'sqlite', 'openssh', 'erlang', 'libssh2' packages of Photon OS have been released...

Fedora 39 : putty (2024-d946b9ad25)

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-d946b9ad25 advisory. Security fix for CVE-2023-48795. Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus...

Important Photon OS Security Update - PHSA-2024-5.0-91-0188

Updates of 'erlang', 'libssh2', 'sqlite', 'openssh' packages of Photon OS have been released...

OpenSSH Terrapin attack (CVE-2023-48795)

...

Updated dropbear package fixes a security vulnerability

Parts of the SSH specification are vulnerable to a novel prefix truncation attack a.k.a. Terrapin attack, which allows a man-in-the-middle attacker to strip an arbitrary number of messages right after the initial key exchange, breaking SSH extension negotiation RFC8308 in the process and thus...

MGASA-2024-0002 Updated libssh2 packages fix a security vulnerability (Terrapin Attack)

The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets are omitted from the extension negotiation message, and a client and server may consequently end up with a connecti...

Updated putty package fixes a security vulnerability (Terrapin attack)

The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and many other products, allows remote attackers to bypass integrity checks such that some packets are omitted from the extension negotiation message, and a client and server may consequently end up with a...

Updated libssh2 packages fix a security vulnerability (Terrapin Attack)

The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packets are omitted from the extension negotiation message, and a client and server may consequently end up with a connecti...

Medium: libssh

Issue Overview: AWS is aware of CVE-2023-48795, also known as Terrapin, which is found in the SSH protocol and affects SSH channel integrity. A protocol extension has been introduced by OpenSSH which needs to be applied to both the client and the server in order to address this issue. We recommen...