Arbitrary file read vulnerability in Git server Plugin can lead to RCE

Jenkins Git server Plugin uses the args4j library to parse command arguments and options on the Jenkins controller when processing Git commands received via SSH. This command parser has a feature that replaces an @ character followed by a file path in an argument with the file’s contents...

RHCOS 4 / 9 : OpenShift Container Platform 4.13.0 (RHSA-2023:1325)

The remote Red Hat Enterprise Linux CoreOS 4 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:1325 advisory. - buildah: possible information disclosure and modification CVE-2022-2990 - OpenShift: Missing HTTP Strict Transport Security...

Debian dsa-5599 : php-seclib - security update

The remote Debian 11 / 12 host has a package installed that is affected by a vulnerability as referenced in the dsa-5599 advisory. - 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...

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...

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...

CVE-2023-48795 vulnerability on SSH

panel:title=Strict key exchange support|borderStyle=solid|borderColor=3c78b5|titleBGColor=3c78b5|bgColor=e7f4fa The server now supports strict key exchange in 8.9.10+ LTS, 8.13.6+, 8.14.5+, 8.15.4+, 8.16.3+, 8.17.1+ and 8.18.0+. If old SSH clients that don't support strict key exchange are being...

openSUSE 15 Security Update : proftpd (openSUSE-SU-2023:0421-1)

The remote openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2023:0421-1 advisory. - The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity...

SSH Terrapin Prefix Truncation Weakness (CVE-2023-48795)

The remote SSH server is vulnerable to a man-in-the-middle prefix truncation weakness known as Terrapin. This can allow a remote, man-in-the-middle attacker to bypass integrity checks and downgrade the connection's security. Note that this plugin only checks for remote SSH servers that support...

Prefix Truncation Attacks in SSH Specification (Terrapin Attack)

The remote SSH server is supporting an specific encryption algorithm or MAC. Parts of their SSH specification are vulnerable to a novel prefix truncation attack a.k.a. Terrapin attack. SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, a...

CVE-2023-48795

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...

AsyncSSH Rogue Extension Negotiation

Summary An issue in AsyncSSH v2.14.0 and earlier allows attackers to control the extension info message RFC 8308 via a man-in-the-middle attack. Details The rogue extension negotiation attack targets an AsyncSSH client connecting to any SSH server sending an extension info message. The attack...

Important: amazon-ssm-agent

Issue Overview: The x/crypto/ssh package before 0.0.0-20211202192323-5770296d904e of golang.org/x/crypto allows an attacker to panic an SSH server. CVE-2021-43565 A broken cryptographic algorithm flaw was found in golang.org/x/crypto/ssh. This issue causes a client to fail authentification with R...

Ubuntu 16.04 ESM : libssh2 vulnerabilities (USN-5308-1)

The remote Ubuntu 16.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5308-1 advisory. It was discovered that libssh2 mishandled certain input. If libssh2 were used to connect to a malicious or compromised SSH server, a remote,...

F5 BIG-IP Next SPK Hardcoded Credentials Vulnerability

F5 BIG-IP is an application delivery platform from F5 that integrates network traffic orchestration, load balancing, intelligent DNS, and remote access policy management. A hard-coded credential vulnerability exists in F5 BIG-IP Next SPK, which can be exploited by an attacker with the ability to...

CVE-2023-45226

CVE-2023-45226 affects BIG-IP Next SPK, specifically the f5-debug-sidecar and f5-debug-sshd containers in SPK TMM. The issue is hardcoded credentials that could let an attacker intercept traffic and impersonate the SPK SSH server when ssh debug is enabled. Exposure is documented in multiple sourc...

Authentication flaw

JumpServer is an open source bastion host. When users enable MFA and use a public key for authentication, the Koko SSH server does not verify the corresponding SSH private key. An attacker could exploit a vulnerability by utilizing a disclosed public key to attempt brute-force authentication...

CVE-2023-42818 SSH public key login without private key challenge if mfa is enabled in jumpserver

JumpServer is an open source bastion host. When users enable MFA and use a public key for authentication, the Koko SSH server does not verify the corresponding SSH private key. An attacker could exploit a vulnerability by utilizing a disclosed public key to attempt brute-force authentication...

CVE-2023-42818 SSH public key login without private key challenge if mfa is enabled in jumpserver

JumpServer is an open source bastion host. When users enable MFA and use a public key for authentication, the Koko SSH server does not verify the corresponding SSH private key. An attacker could exploit a vulnerability by utilizing a disclosed public key to attempt brute-force authentication...

CVE-2023-42818 SSH public key login without private key challenge if mfa is enabled in jumpserver

JumpServer is an open source bastion host. When users enable MFA and use a public key for authentication, the Koko SSH server does not verify the corresponding SSH private key. An attacker could exploit a vulnerability by utilizing a disclosed public key to attempt brute-force authentication...

CVE-2023-42818: Improper Authentication

JumpServer is an open source bastion host. When users enable MFA and use a public key for authentication, the Koko SSH server does not verify the corresponding SSH private key. An attacker could exploit a vulnerability by utilizing a disclosed public key to attempt brute-force authentication...