RCE vulnerability in OpenSSH – RegreSSHion (CVE-2024-6387)

TL;DR The Qualys Threat Research Unit has found a high-severity vulnerability, filed under CVE-2024-6387, affects OpenSSH Open Secure Shell, a networking utility often used for remote server management and secure communication over insecure networks. CVE-2024-6387 affects the OpenSSH server on...

Exploit for Race Condition in Openbsd Openssh

OpenSSH CVE-2024-6387 Vulnerability Checker This Python script c...

Exploit for Race Condition in Openbsd Openssh

Vulnerability Description CVE-2024-6387: A vulnerability in...

CVE-2024-39894

OpenSSH 9.5 through 9.7 before 9.8 sometimes allows timing attacks against echo-off password entry e.g., for su and Sudo because of an ObscureKeystrokeTiming logic error. Similarly, other timing attacks against keystroke entry could occur...

OPENSUSE-SU-2024:14088-1 openssh-9.6p1-10.1 on GA media

These are all security issues fixed in the openssh-9.6p1-10.1 package on the GA media of openSUSE Tumbleweed...

Amazon Linux 2023 : openssh, openssh-clients, openssh-keycat (ALAS2023-2024-649)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2024-649 advisory. A signal handler race condition was found in OpenSSH's server sshd, where a client does not authenticate within LoginGraceTime seconds 120 by default, 600 in old OpenSSH versions, then sshd's SIGALRM...

Fedora 40 : openssh (2024-dc89a2e1bf)

The remote Fedora 40 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2024-dc89a2e1bf advisory. Backport fix for CVE-2024-6387 rhbz2294879 Backport fix for ObscureKeystrokeTiming logic error from OpenSSH 9.8 Tenable has extracted the preceding descripti...

Fedora 39 : openssh (2024-213f33544e)

The remote Fedora 39 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2024-213f33544e advisory. Backport fix for CVE-2024-6387 rhbz2294879 Tenable has extracted the preceding description block directly from the Fedora security advisory. Note that Nessus...

Ubuntu: Security Advisory (USN-6859-1)

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...

Slackware: Security Advisory (SSA:2024-183-01)

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...

OpenSSH Security Vulnerabilities

OpenSSH OpenBSD Secure Shell is a set of connection tools for secure access to remote computers from the Canadian OpenBSD Project Group. The tools are an open source implementation of the SSH protocol and support encryption of all transmissions, effectively blocking eavesdropping, connection...

CVE-2024-39894

OpenSSH CVE-2024-39894 affects OpenSSH 9.5–9.7 (before 9.8). A logic error in the ObscureKeystrokeTiming feature can enable timing attacks on keystroke entry (e.g., echo-off password input for su and sudo) and potentially reveal keystrokes. Mitigation per linked advisories is to upgrade to OpenSS...

OpenSSH Server regreSSHion Remote Code Execution Vulnerability

Qualys has discovered a a signal handler race condition vulnerability in OpenSSH's server, sshd. If a client does not authenticate within LoginGraceTime seconds 120 by default, 600 in old OpenSSH versions, then sshd's SIGALRM handler is called asynchronously, but this signal handler calls various...

CVE-2024-39894

OpenSSH 9.5 through 9.7 before 9.8 sometimes allows timing attacks against echo-off password entry e.g., for su and Sudo because of an ObscureKeystrokeTiming logic error. Similarly, other timing attacks against keystroke entry could occur...

CVE-2024-39894

OpenSSH 9.5 through 9.7 before 9.8 sometimes allows timing attacks against echo-off password entry e.g., for su and Sudo because of an ObscureKeystrokeTiming logic error. Similarly, other timing attacks against keystroke entry could occur...

regreSSHion: Critical Vulnerability in OpenSSH Exposes Millions of Servers

A critical vulnerability in OpenSSH regreSSHion allows attackers full access to servers! Millions at risk. Learn how to…...

Exploit for Race Condition in Openbsd Openssh

CVE-2024-6387Check !imagehttps://github.com/xaitax/CVE-20...

[slackware-security] openssh

New openssh packages are available for Slackware 15.0 and -current to fix a security issue. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/openssh-9.8p1-i586-1slack15.0.txz: Upgraded. This update fixes a security issue: Fix race condition resulting in potential remote co...

CVE-2024-6387: regreSSHion RCE in OpenSSH Vulnerability

A signal handler race condition was found in OpenSSH's server sshd, where a client does not authenticate within LoginGraceTime seconds 120 by default, 600 in old OpenSSH versions, then sshd's SIGALRM handler is called asynchronously. However, this signal handler calls various functions that are n...

K000140222: OpenSSH server vulnerability CVE-2024-6387

Security Advisory Description A security regression CVE-2006-5051 was discovered in OpenSSH's server sshd. There is a race condition which can lead sshd to handle some signals in an unsafe manner. An unauthenticated, remote attacker may be able to trigger it by failing to authenticate within a se...