CVE-2015-8744

QEMU aka Quick Emulator built with a VMWARE VMXNET3 paravirtual NIC emulator support is vulnerable to crash issue. It occurs when a guest sends a Layer-2 packet smaller than 22 bytes. A privileged CAPSYSRAWIO guest user could use this flaw to crash the QEMU process instance resulting in DoS...

PT-2016-3992

Name of the Vulnerable Software and Affected Versions QEMU affected versions not specified Description The issue occurs when a guest sends a Layer-2 packet smaller than 22 bytes, potentially allowing a privileged guest user to crash the QEMU process instance, resulting in a denial of service...

Cisco Nexus 9000 Series Switches Reserved VLAN Number Vulnerability (Cisco-SA-20150916-CVE-2015-6295)

A vulnerability in the handling of incoming Layer 2 packets tagged with a Cisco Nexus 9000 Series Switch N9K reserved VLAN number could allow an unauthenticated, adjacent attacker to cause a partial denial of service DoS condition due to increased CPU utilization and possible control plane...

Code injection

Cisco NX-OS 6.12I34 and 7.03I11 on Nexus 9000 N9K devices allows remote attackers to cause a denial of service CPU consumption or control-plane instability or trigger unintended traffic forwarding via a Layer 2 packet with a reserved VLAN number, aka Bug ID CSCuw13560...

CVE-2015-6295

CVE-2015-6295 affects Cisco NX-OS running on Nexus 9000 series: 6.1(2)I3(4) and 7.0(3)I1(1). The vulnerability stems from handling of Layer 2 packets tagged with a reserved VLAN number, due to a lack of validation, which could allow an unauthenticated adjacent attacker to cause a partial DoS via ...

CVE-2015-6295

Cisco NX-OS 6.12I34 and 7.03I11 on Nexus 9000 N9K devices allows remote attackers to cause a denial of service CPU consumption or control-plane instability or trigger unintended traffic forwarding via a Layer 2 packet with a reserved VLAN number, aka Bug ID CSCuw13560...

CVE-2015-6295: Undefined Security Weakness

Cisco NX-OS 6.12I34 and 7.03I11 on Nexus 9000 N9K devices allows remote attackers to cause a denial of service CPU consumption or control-plane instability or trigger unintended traffic forwarding via a Layer 2 packet with a reserved VLAN number, aka Bug ID CSCuw13560...

Cisco Nexus 9000 Series Switches Reserved VLAN Number Vulnerability

A vulnerability in the handling of incoming Layer 2 packets tagged with a Cisco Nexus 9000 Series Switch N9K reserved VLAN number could allow an unauthenticated, adjacent attacker to cause a partial denial of service DoS condition due to increased CPU utilization and possible control plane...

PT-2015-7159

Name of the Vulnerable Software and Affected Versions Cisco NX-OS versions 6.12I34 through 7.03I11 Description A vulnerability exists in the handling of incoming Layer 2 packets tagged with a reserved VLAN number, allowing an unauthenticated, adjacent attacker to cause a partial denial of service...

Cisco IOS 12 MSFC2 Malformed Layer 2 Frame Denial of Service Vulnerability

No description provided by source. source: http://www.securityfocus.com/bid/9562/info A problem has been identified in the handling of specific types of traffic by Cisco 6000, 6500, and 7600 routers with the MSFC2 device. Because of this, an attacker could potentially crash a vulnerable system...

[Tundeep v0.2a] Layer 2 VPN/Injection tool

Tundeep is a layer 2 VPN/injection tool that resides almost entirely in user space on the victim aside from the pcap requirement. This can be handled via a silent install however. The tool will build on Linux and Windows victims. Windows compilation is achieved using Cygwin. The attacker must be ...

Ubuntu: Security Advisory (USN-1877-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2013 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...

Ubuntu 10.04 LTS : linux-ec2 vulnerabilities (USN-1877-1)

Andrew Honig reported a flaw in the way KVM Kernel-based Virtual Machine emulated the IOAPIC. A privileged guest user could exploit this flaw to read host memory or cause a denial of service crash the host. CVE-2013-1798 An information leak was discovered in the Linux kernel's rcvmsg path for ATM...

Ubuntu 12.04 LTS : linux vulnerabilities (USN-1878-1)

An information leak was discovered in the Linux kernel when inotify is used to monitor the /dev/ptmx device. A local user could exploit this flaw to discover keystroke timing and potentially discover sensitive information like password length. CVE-2013-0160 A flaw was discovered in the Linux...

Ubuntu 10.04 LTS : linux vulnerabilities (USN-1876-1)

Andrew Honig reported a flaw in the way KVM Kernel-based Virtual Machine emulated the IOAPIC. A privileged guest user could exploit this flaw to read host memory or cause a denial of service crash the host. CVE-2013-1798 An information leak was discovered in the Linux kernel's rcvmsg path for ATM...

Code injection

The encryption functionality in Cisco NX-OS on the Nexus 1000V does not properly handle Virtual Supervisor Module VSM to Virtual Ethernet Module VEM communication, which allows remote attackers to intercept or modify network traffic by leveraging certain Layer 2 or Layer 3 access, aka Bug ID...

Cisco Nexus 1000V VSM/VEM Communication Encryption Bypass Vulnerability

Cryptographic issues in the Cisco Nexus 1000v could allow an unauthenticated, remote attacker to to inject traffic or eavesdrop on the communications between a Virtual Supervisor Module VSM and a Virtual Ethernet Module VEM. The issues are due to errors in the implementation of the cryptography...

Cisco 6000/6500/7600 Crafted Layer 2 Frame Vulnerability - Cisco Systems

A layer 2 frame as defined in the Open System Interconnection Reference Model that is encapsulating a layer 3 packet IP, IPX, etc. may cause Cisco 6000/6500/7600 series systems with Multilayer Switch Feature Card 2 MSFC2 that have a FlexWAN or Optical Services Module OSM or that run 12.18bE14 to...

Cisco IOS第二层隧道协议远程拒绝服务漏洞

BUGTRAQ ID: 31358 CVE ID: CVE-2008-3813 CNCVE ID：CNCVE-20083813 Cisco IOS是一款流行的网络操作系统。 Cisco IOS第二层隧道协议实现存在一个漏洞，远程攻击者可以利用漏洞对设备进行拒绝服务攻击，导致设备重载。 Cisco IOS软件中的L2TP mgmt守护进程启用多个功能，包括Layer 2 virtual private networks L2VPN, Layer 2 Tunnel Protocol Version 3 L2TPv3, Stack Group Bidding Protocol SGBP和Cis...

Debian Security Advisory DSA 530-1 (l2tpd)

The remote host is missing an update to l2tpd announced via advisory DSA 530-1. OpenVAS Vulnerability Test $Id: deb5301.nasl 6616 2017-07-07 12:10:49Z cfischer $ Description: Auto-generated from advisory DSA 530-1 Authors: Thomas Reinke Copyright: Copyright c 2007 E-Soft Inc...