AlmaLinux 9.6 [TuxCare] Security Update: openssh / openssh-askpass / openssh-clients / openssh-keycat / etc (ALMALINUX9.6:CLSA-2026:1788887546)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1788887546 advisory. - In sshd in OpenSSH before 10.5, the restrict keyword in authorizedkeys was supposed to be applicable to tunnel forwarding but was not...

CentOS Linux 7 [TuxCare] Security Update: openssh / openssh-askpass / openssh-cavs / openssh-clients / etc (CENTOS7:CLSA-2025:1749824947)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2025:1749824947 advisory. - In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it disables X11 and agent...

AlmaLinux 9.6 [TuxCare] Security Update: openssh / openssh-askpass / openssh-clients / openssh-keycat / etc (ALMALINUX9.6:CLSA-2026:1784636012)

The AlmaLinux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1784636012 advisory. - sshd in OpenSSH before 10.4 does not always honor the minimum authentication delay. CVE-2026-60001 Note that Nessus has not tested for this...

Rocky Linux 9.6 [TuxCare] Security Update: openssh / openssh-askpass / openssh-clients / openssh-keycat / etc (ALMALINUX9.6:CLSA-2026:1788887546)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1788887546 advisory. - In sshd in OpenSSH before 10.5, the restrict keyword in authorizedkeys was supposed to be applicable to tunnel forwarding but was not...

CentOS Linux 8.4 [TuxCare] Security Update: openssh / openssh-askpass / openssh-cavs / openssh-clients / etc (CENTOS8.4:CLSA-2025:1749552061)

The CentOS Linux 8.4 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS8.4:CLSA-2025:1749552061 advisory. - In sshd in OpenSSH before 10.0, the DisableForwarding directive does not adhere to the documentation stating that it disables X11 and agent...

Rocky Linux 9.6 [TuxCare] Security Update: openssh / openssh-askpass / openssh-clients / openssh-keycat / etc (ALMALINUX9.6:CLSA-2026:1784636012)

The Rocky Linux 9.6 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1784636012 advisory. - sshd in OpenSSH before 10.4 does not always honor the minimum authentication delay. CVE-2026-60001 Note that Nessus has not tested for th...

Improper Certificate Validation

org.apache.sshd, sshd-core is vulnerable to improper certificate validation. The vulnerability is due to the server-side authentication process not validating force-command and verify-required certificate options, which allows an attacker with a specially crafted OpenSSH user certificate to...

CVE-2018-6574

CVE-2018-6574...

CVE-2024-6387-Race-Condition-in-Signal-Handling-for-OpenSSH

CVE-2024-6387: Condición de carrera en el manejo de señales para OpenSSH Descripción general CVE-2024-6387 es una vulnerabilidad crítica descubierta en el servidor de OpenSSH sshd que permite a un atacante potencialmente lograr una ejecución remota de código RCE no autenticada como root. La...

cve-2024-6387-poc

cve-2024-6387-poc una condición de carrera en el manejador de señales en el servidor de OpenSSH sshd...

CVE-2024-6387-OpenSSH-Analysis

Análisis de CVE-2024-6387 OpenSSH Resumen Análisis de seguridad de la vulnerabilidad CVE-2024-6387 que afecta al servidor OpenSSH. Herramientas Utilizadas Kali Linux Nmap Metasploitable 2 Detalles de la Vulnerabilidad CVE-2024-6387 es una vulnerabilidad en OpenSSH causada por una condición de...

CVE-2024-6387

cve-2024-6387-poc una condición de carrera en el manejador de señales en el servidor OpenSSH sshd...

CVE-2023-25136

CVE-2023-25136 Investigando la memoria cuando sshd 9.1p1 aborta debido a un error de doble liberación. El pdf tiene algunas imágenes que están algo borrosas. Lo actualizaré pronto para mejorar la legibilidad...

CVE-2024-3094

🚨 CVE-2024-3094 — Puerta trasera en XZ Utils 🧠 Visión general CVE-2024-3094 es un compromiso crítico en la cadena de suministro que afecta a la biblioteca de compresión XZ Utils , ampliamente utilizada. Un actor malicioso insertó una puerta trasera sigilosa en versiones posteriores, lo que permit...

cve-2024-6387-poc

cve-2024-6387-poc una condición de carrera en el manejador de señales en el servidor OpenSSH sshd...

CVE-2024-3094-backdoor-env-container

Entorno de contenedor de backdoor SSH CVE-2024-3094 Este es un entorno que ejecuta una instancia de backdoor sshd CVE-2024-3094, que funciona con este exploit: https://github.com/amlweems/xzbot. Experimentos Prueba en Docker NO ES un contenedor Docker. Intenté crear el entorno de esta...

org.apache.sshd/sshd-core: Apache MINA SSHD: Unauthorized command execution due to improper certificate validation

A flaw was found in Apache MINA SSHD server-side. During user authentication, the server's OpenSSH user certificate validation process failed to properly check for or validate unsupported options like 'force-command' or 'verify-required' embedded within a user's certificate. This oversight could...

org.apache.sshd/sshd-core: Apache MINA SSHD: Authentication bypass via duplicate public key presentation

A flaw was found in Apache MINA SSHD. When the server is configured to require multiple Secure Shell SSH public keys for authentication, it fails to verify that the submitted keys are distinct. A remote user can exploit this flaw by presenting the same public key twice to satisfy multi-key...

openssh: OpenSSH: Tunnel forwarding restriction bypass

A flaw was found in OpenSSH's sshd component. The restrict keyword, designed to limit tunnel forwarding within the authorizedkeys file, was not correctly enforced for tunnel forwarding. This issue could allow a local attacker to bypass intended security restrictions, potentially leading to...

MiracleLinux 9 : openssh-9.9p1-11.el9_8.ML.1 (AXSA:2026-1891:11)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1891:11 advisory. openssh: OpenSSH: sftp client allows attacker to control downloaded file location CVE-2026-59995 openssh: OpenSSH sshd: Security bypass due to...