FreeBSD : putty -- add protocol extension against 'Terrapin attack' (91955195-9ebb-11ee-bc14-a703705db3a6)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 91955195-9ebb-11ee-bc14-a703705db3a6 advisory. - The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other...

Slackware Linux 14.0 / 14.1 / 14.2 / 15.0 / current proftpd Vulnerability (SSA:2023-354-01)

The version of proftpd installed on the remote host is prior to 1.3.8b. It is, therefore, affected by a vulnerability as referenced in the SSA:2023-354-01 advisory. - The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attacker...

Rogue Session Attack (Terrapin)

ssh is vulnerable to Terrapin attack. The vulnerability is due to mishandling of the handshake phase and sequence numbers in the SSH Binary Packet Protocol BPP with certain OpenSSH extensions. This allows an attacker to bypass integrity checks and omit packets during extension negotiation, and...

Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 : OpenSSH vulnerabilities (USN-6560-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS / 23.04 / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6560-1 advisory. Fabian Bumer, Marcus Brinkmann, Jrg Schwenk discovered that the SSH protocol was vulnerable to a prefix truncation attack. If...

GHSA-HFMC-7525-MJ55 AsyncSSH vulnerable to Prefix Truncation Attack (a.k.a. Terrapin Attack) against ChaCha20-Poly1305 and Encrypt-then-MAC

Summary AsyncSSH v2.14.1 and earlier is 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 thu...

AsyncSSH vulnerable to Prefix Truncation Attack (a.k.a. Terrapin Attack) against ChaCha20-Poly1305 and Encrypt-then-MAC

Summary AsyncSSH v2.14.1 and earlier is 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 thu...

Fedora: Security Advisory (FEDORA-2023-d2956318e4)

The remote host is missing an update for the SPDX-FileCopyrightText: 2023 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...

Fedora 39 : python-asyncssh (2023-d2956318e4)

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2023-d2956318e4 advisory. Security fix for CVE-2023-46446 and CVE-2023-46445 Tenable has extracted the preceding description block directly from the Fedora security advisory...

CVE-2023-46445

A flaw was found in python-asyncssh before 2.14.1 versions, where the rogue extension negotiation process is unauthenticated and allows injecting an info message. This flaw allows an attacker to replace the original message, downgrading the algorithm used for client authentication, which affects...

SUSE CVE-2023-46446

An issue in AsyncSSH before 2.14.1 allows attackers to control the remote end of an SSH client session via packet injection/removal and shell emulation, aka a "Rogue Session Attack."...

CVE-2023-46446

An issue in AsyncSSH before 2.14.1 allows attackers to control the remote end of an SSH client session via packet injection/removal and shell emulation, aka a "Rogue Session Attack."...

CVE-2023-46445

An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message RFC 8308 via a man-in-the-middle attack, aka a "Rogue Extension Negotiation."...

CVE-2023-46446

An issue in AsyncSSH before 2.14.1 allows attackers to control the remote end of an SSH client session via packet injection/removal and shell emulation, aka a "Rogue Session Attack."...

DEBIAN-CVE-2023-46445

An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message RFC 8308 via a man-in-the-middle attack, aka a "Rogue Extension Negotiation."...

CVE-2023-46445

An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message RFC 8308 via a man-in-the-middle attack, aka a "Rogue Extension Negotiation."...

DEBIAN-CVE-2023-46446

An issue in AsyncSSH before 2.14.1 allows attackers to control the remote end of an SSH client session via packet injection/removal and shell emulation, aka a "Rogue Session Attack."...

CVE-2023-46446

An issue in AsyncSSH before 2.14.1 allows attackers to control the remote end of an SSH client session via packet injection/removal and shell emulation, aka a "Rogue Session Attack."...

UBUNTU-CVE-2023-46445

An issue in AsyncSSH before 2.14.1 allows attackers to control the extension info message RFC 8308 via a man-in-the-middle attack, aka a "Rogue Extension Negotiation."...

PYSEC-2023-239

An issue in AsyncSSH v2.14.0 and earlier allows attackers to control the remote end of an SSH client session via packet injection/removal and shell emulation...

aioasuswrt (>=1.1.20 <=1.3.3), aiosftp (>=0.0.1 <=0.3.0) +28 more potentially affected by CVE-2023-46446 via asyncssh (>=1.10.0 <=2.14.0)

asyncssh PYPI version =1.10.0, =1.1.20, =0.0.1, =0.6.0, =0.3.0, =1.2.1, =0.4.0, =0.1.0, =4.3.5, =0.35.0, =3.1.1, =0.6.5, =0.8.0, =2.8.1, =0.2.0, =0.1.0, =0.3.10 and more Source cves: CVE-2023-46446 Source advisory: OSV:PYSEC-2023-239...