OpenBSD Disables Intel Hyper-Threading to Prevent Spectre-Class Attacks

Security-oriented BSD operating system OpenBSD has decided to disable support for Intel's hyper-threading performance-boosting feature, citing security concerns over Spectre-style timing attacks. Introduced in 2002, Hyper-threading is Intel's implementation of Simultaneous Multi-Threading SMT tha...

OpenBSD Disables Intel Hyper-Threading to Prevent Spectre-Class Attacks

Security-oriented BSD operating system OpenBSD has decided to disable support for Intel's hyper-threading performance-boosting feature, citing security concerns over Spectre-style timing attacks. Introduced in 2002, Hyper-threading is Intel's implementation of Simultaneous Multi-Threading SMT tha...

New 'Lazy FP State Restore' Vulnerability Found in All Modern Intel CPUs

Hell Yeah! Another security vulnerability has been discovered in Intel chips that affects the processor's speculative execution technology—like Specter and Meltdown—and could potentially be exploited to access sensitive information, including encryption related data. Dubbed Lazy FP State Restore,...

Nemesis - A Command-Line Network Packet Crafting And Injection Utility

The Nemesis Project is designed to be a command line based, portable human IP stack for UNIX-like and Windows systems. The suite is broken down by protocol, and should allow for useful scripting of injected packets from simple shell scripts. Key Features ARP/RARP, DNS, ETHERNET, ICMP, IGMP, IP,...

Command-line Network Packet Crafting and Injection Utility: nemesis

The Nemesis Project is designed to be a command line based, portable human IP stack for UNIX-like and Windows systems. The suite is broken down by protocol, and should allow for useful scripting of injected packets from simple shell scripts. Key Features ARP/RARP, DNS, ETHERNET, ICMP, IGMP, IP,...

OpenBSD/x86 - reboot() Shellcode (15 bytes)

// ----------bsd/x86 reboot shellcode----------------- // AUTHOR : beosroot // INFO : OpenBSD x86 reboot shellcode // EMAIL : email protected // email protected char shellcode = "\x31\xc0\x66\xba\x0e\x27\x66\x81\xea\x06\x27\xb0\x37\xcd\x80"; int main int ret = int &ret + 2; ret = intshellcode; //...

Oracle WebLogic Server WLS Security Component Deserialization Vulnerability

Added: 01/09/2018 BID: 101304 Background Oracle WebLogic Server formerly BEA WebLogic Server is a Java web application platform. Problem Oracle WebLogic Server has a vulnerability in the WLS Security wls-wsat component that could allow an unauthenticated remote attacker who has HTTP access to the...

Oracle WebLogic Server WLS Security Component Deserialization Vulnerability

Added: 01/09/2018 BID: 101304 Background Oracle WebLogic Server formerly BEA WebLogic Server is a Java web application platform. Problem Oracle WebLogic Server has a vulnerability in the WLS Security wls-wsat component that could allow an unauthenticated remote attacker who has HTTP access to the...

Oracle WebLogic Server WLS Security Component Deserialization Vulnerability

Added: 01/09/2018 BID: 101304 Background Oracle WebLogic Server formerly BEA WebLogic Server is a Java web application platform. Problem Oracle WebLogic Server has a vulnerability in the WLS Security wls-wsat component that could allow an unauthenticated remote attacker who has HTTP access to the...

DNS Traffic Capture: DNSCAP

dnscap is a network capture utility designed specifically for DNS traffic. It produces binary data in pcap3 and other format. This utility is similar to tcpdump1, but has a number of features tailored to DNS transactions and protocol options. DNS-OARC uses dnscap for DITL data collections. Some o...

[SECURITY] Fedora 25 Update: openssh-7.4p1-5.fc25

SSH Secure SHell is a program for logging into and executing commands on a remote machine. SSH is intended to replace rlogin and rsh, and to provide secure encrypted communications between two untrusted hosts over an insecure network. X11 connections and arbitrary TCP/IP ports can also be forward...

[SECURITY] Fedora 27 Update: openssh-7.6p1-2.fc27

SSH Secure SHell is a program for logging into and executing commands on a remote machine. SSH is intended to replace rlogin and rsh, and to provide secure encrypted communications between two untrusted hosts over an insecure network. X11 connections and arbitrary TCP/IP ports can also be forward...

OpenSSH < 7.6 'sftp-server' Security Bypass Vulnerability - Windows

OpenSSH is prone to a security bypass vulnerability. SPDX-FileCopyrightText: 2017 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 CPE = "cpe:/a:openbsd:openssh";...

KRACK: WPA2 series of vulnerabilities in the event of early warning-vulnerability warning-the black bar safety net

2017 10 on 16 September, called KRACK vulnerability flaws bug invasion attack method is expressed, for WiFi+WPA2 collect intrusion attack. KRACK tension is the application of 802. 11i 4-way handshake vulnerability in the flaws bug to the ultimate completion of the decryption and fabricated...

OpenBSD - at Local Privilege Escalation Stack Clash Exploit

Exploit for openbsd/x86 platform in category dos / poc / OpenBSDat.c for CVE-2017-1000373 Copyright c 2017 Qualys, Inc. slowsort adapted from lib/libc/stdlib/qsort.c: Copyright c 1992, 1993 The Regents of the University of California. All rights reserved. Redistribution and use in source and bina...

OpenBSD - 'at Stack Clash' Local Privilege Escalation

/ OpenBSDat.c for CVE-2017-1000373 Copyright c 2017 Qualys, Inc. slowsort adapted from lib/libc/stdlib/qsort.c: Copyright c 1992, 1993 The Regents of the University of California. All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted...

OpenBSD - at Stack Clash Local Privilege Escalation

OpenBSD - at Stack Clash Local Privilege Escalation / OpenBSDat.c for CVE-2017-1000373 Copyright c 2017 Qualys, Inc. slowsort adapted from lib/libc/stdlib/qsort.c: Copyright c 1992, 1993 The Regents of the University of California. All rights reserved. Redistribution and use in source and binary...

OpenBSD Kernel Denial of Service Vulnerability

OpenBSD is a BSD-based operating system.A denial-of-service vulnerability exists in OpenBSD. A denial of service vulnerability exists in the OpenBSD Kernel. The vulnerability stems from a wsmuxgetmux memory error shortage that can be triggered during console operations, which can be exploited by ...

Linux in the Stack Clash vulnerabilities that may be exploited by hackers to obtain local root privileges-bug warning-the black bar safety net

Last month, Qualys security researchers in a variety of Unix-based Systems found on called the“Stack Clash”the vulnerability could allow an attacker on a UNIX system to gain root privileges and take over the attack computer. Currently security researchers discovered this flaw and are working with...

The vulnerability of the httpd component in the OpenBSD operating system, which allows a hacker to cause a service failure.

The vulnerability of the httpd component in the OpenBSD operating system is related to resource management errors. Exploiting this vulnerability allows a malicious actor to trigger a service failure memory consumption by using specially crafted requests, utilizing the HTTP Range header...