CVE-2019-19522

OpenBSD 6.6, in a non-default configuration where S/Key or YubiKey authentication is enabled, allows local users to become root by leveraging membership in the auth group. This occurs because root's file can be written to /etc/skey or /var/db/yubikey, and need not be owned by root...

CVE-2019-19522

OpenBSD 6.6, in a non-default configuration where S/Key or YubiKey authentication is enabled, allows local users to become root by leveraging membership in the auth group. This occurs because root's file can be written to /etc/skey or /var/db/yubikey, and need not be owned by root...

Default configuration

OpenBSD 6.6, in a non-default configuration where S/Key or YubiKey authentication is enabled, allows local users to become root by leveraging membership in the auth group. This occurs because root's file can be written to /etc/skey or /var/db/yubikey, and need not be owned by root...

Qualys Security Advisory - OpenBSD Authentication Bypass / Privilege Escalation

Qualys Security Advisory Authentication vulnerabilities in OpenBSD ============================================================================== Contents ============================================================================== 1. CVE-2019-19521: Authentication bypass 1.1. Analysis 1.2. Cas...

OpenBSD has an unspecified vulnerability (CNVD-2019-44737)

OpenBSD is a cross-platform, BSD-based UNIX-like operating system from the Canadian OpenBSD project team. A security vulnerability exists in OpenBSD version 6.6. When the S/Key or YubiKey authentication mechanism is turned on, a local attacker can exploit the vulnerability to become the root user...

CVE-2019-19522

OpenBSD 6.6, in a non-default configuration where S/Key or YubiKey authentication is enabled, allows local users to become root by leveraging membership in the auth group. This occurs because root's file can be written to /etc/skey or /var/db/yubikey, and need not be owned by root...

CVE-2019-19522

OpenBSD 6.6 is affected when S/Key or YubiKey authentication is enabled (non-default). A local attacker in the auth group can escalate to root because root’s file can be written to /etc/skey or /var/db/yubikey and need not be owned by root. This CVE corresponds to CVE-2019-19522. Reported impact ...

CVE-2019-19522: Incorrect Permission Assignment for Critical Resource

OpenBSD 6.6, in a non-default configuration where S/Key or YubiKey authentication is enabled, allows local users to become root by leveraging membership in the auth group. This occurs because root's file can be written to /etc/skey or /var/db/yubikey, and need not be owned by root...

Gentoo Security Advisory GLSA 201402-12

Gentoo Linux Local Security Checks GLSA 201402-12 SPDX-FileCopyrightText: 2015 Eero Volotinen 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-or-later ifdescription...

CVE-2013-4285

A certain Gentoo patch for the PAM S/Key module does not properly clear credentials from memory, which allows local users to obtain sensitive information by reading system memory...

Design/Logic Flaw

A certain Gentoo patch for the PAM S/Key module does not properly clear credentials from memory, which allows local users to obtain sensitive information by reading system memory...

CVE-2013-4285

The CVE concerns Gentoo’s patch to the PAM S/Key module that fails to clear credentials from memory. A local attacker with privileged access could inspect memory dumps to obtain cleartext credentials. Affected software is the PAM S/Key module used by Gentoo; the underlying issue is that credentia...

CVE-2013-4285

A certain Gentoo patch for the PAM S/Key module does not properly clear credentials from memory, which allows local users to obtain sensitive information by reading system memory...

CVE-2013-4285: Undefined Security Weakness

A certain Gentoo patch for the PAM S/Key module does not properly clear credentials from memory, which allows local users to obtain sensitive information by reading system memory...

GLSA-201402-12 : PAM S/Key: Information disclosure

The remote host is affected by the vulnerability described in GLSA-201402-12 PAM S/Key: Information disclosure Ulrich Mller reported that a Gentoo patch to PAM S/Key does not remove credentials provided by the user from memory. Impact : A local attacker with privileged access could inspect a memo...

PAM S/Key: Information disclosure

Background PAM S/Key is a pluggable authentication module for the OpenBSD Single-key Password system. Description Ulrich Müller reported that a Gentoo patch to PAM S/Key does not remove credentials provided by the user from memory. Impact A local attacker with privileged access could inspect a...

OpenSSH S/KEY Authentication Account Enumeration

When OpenSSH has S/KEY authentication enabled, it is possible to remotely determine if an account configured for S/KEY authentication exists. Note that Nessus has not attempted to exploit the issue but has instead only checked if OpenSSH is running on the remote host. As a result, it will not...

S/Key和OPIE数据库漏洞

在使用S/Key或OPIE认证的服务器上存在一个安全漏洞。这个漏洞允许本地用户获得对S/Key或OPIE数据库的访问权。 S/Key是使用一次性口令技术的认证机制。系统管理员可以进行配置，使用户能够通过S/Key认证访问使用login8的任何服务，如Telnet和FTP。制定认证类型的配置文件是/etc/login.conf。 为了配置一个用户能够使用S/Key，管理员或该用户（如果程序是suid root）首先必须使用skeyinit（或keyinit）程序。这个程序初始化S/Key数据库（/etc/skeykeys）中的用户入口项。这个数据库文件包含输入S/Key口令时需要比较的信息...

Debian: Security Advisory (DSA-457)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2008 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...

CVE-2007-2243

OpenSSH 4.6 and earlier, when ChallengeResponseAuthentication is enabled, allows remote attackers to determine the existence of user accounts by attempting to authenticate via S/KEY, which displays a different response if the user account exists, a similar issue to CVE-2001-1483...