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...

Debian Security Advisory DSA 152-1 (l2tpd)

The remote host is missing an update to l2tpd announced via advisory DSA 152-1. SPDX-FileCopyrightText: 2008 E-Soft Inc. 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-2007-2462

CVE-2007-2462 affects Cisco ASA and PIX firewalls (ASA/PIX) running 7.2 prior to 7.2(2)8. The vulnerability allows remote attackers to bypass LDAP authentication and gain privileges when using Layer 2 Tunneling Protocol (L2TP) or Remote Management Access, via unspecified vectors. Connected source...

CVE-2006-5873

Buffer overflow in the clusterprocessheartbeat function in cluster.c in layer 2 tunneling protocol network server l2tpns before 2.1.21 allows remote attackers to cause a denial of service via a large heartbeat packet...

Tippingpoint aplianca protection bypass

Attacker can force firewall to switch to layer 2 filtering mode...

Kismet: Multiple vulnerabilities

Background Kismet is an 802.11 Layer 2 wireless network detector, sniffer, and intrusion detection system. Description Kismet is vulnerable to a heap overflow when handling pcap captures and to an integer underflow in the CDP protocol dissector. Impact With a specially crafted packet an attacker...

Cisco 6000/6500/7600 series systems fail to properly process layer 2 frames

Overview Cisco 6000/6500/7600 series systems with Multilayer Switch Feature Card 2 MSFC2 fail to properly process layer 2 frames. Description Cisco 6000/6500/7600 series systems with MSFC2 contain a vulnerability in the way layer 2 frames are processed in software. By sending a specially crafted...

Cisco 6000/6500/7600 Crafted Layer 2 Frame Vulnerability

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Cisco IOS 6000/6500/7600 Series Layer 2 Frame DoS (CSCdy15598, CSCeb56052)

The remote router contains a version of IOS which has multiple flaws when dealing with specially layer 2 packets. CISCO identifies this vulnerability as bug id CSCdy15598 and CSCeb56052. An attacker may use this flaw to render this router inoperable. C Tenable Network Security include"compat.inc"...

Cisco IOS 12 MSFC2 - Layer 2 Frame Denial of Service

source: https://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. !/usr/bin/perl Cisco Global Exploit...

Cisco Security Advisory: Cisco 6000/6500/7600 Crafted Layer 2 Frame Vulnerability

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Cisco Security Advisory: Cisco 6000/6500/7600 Crafted Layer 2 Frame Vulnerability Revision 1.0 - FINAL For Public Release 2004 February 03 1600 UTC GMT - ---------------------------------------------------------------------------- Contents Summary...