Cisco Warns of Critical Flaws in Nexus Switches

Cisco Systems released several critical software patches this week for its Nexus 7000-series switches and its NX-OS software. The vulnerabilities can allow remote access to systems, enabling a hacker to execute code or commands on targeted devices. According to Wednesday’s Cisco Security Advisory...

Command injection

Cisco NX-OS 4.0 through 7.3 and 11.0 through 11.2 on 1000v, 2000, 3000, 3500, 5000, 5500, 5600, 6000, 7000, 7700, and 9000 devices allows remote attackers to cause a denial of service device reload by leveraging a peer relationship to send a crafted BGP UPDATE message, aka Bug IDs CSCuq77105 and...

CVE-2016-1454

CVE-2016-1454 affects Cisco NX-OS 4.0–7.3 and 11.0–11.2 on 1000v, 2000, 3000, 3500, 5000, 5500, 5600, 6000, 7000, 7700, and 9000 series devices. The issue arises from incomplete input validation in the BGP UPDATE handling, allowing an unauthenticated, remote attacker to trigger a DoS (device relo...

Cisco NX-OS Border Gateway Protocol Denial of Service Vulnerability (cisco-sa-20161005-bgp)

A vulnerability in the Border Gateway Protocol BGP implementation of Cisco NX-OS System Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition due to the device unexpectedly reloading. Copyright C 2016 Greenbone Networks GmbH Some text descriptions mig...

Cisco NX-OS Border Gateway Protocol Denial of Service Vulnerability

A vulnerability in the Border Gateway Protocol BGP implementation of Cisco NX-OS System Software could allow an unauthenticated, remote attacker to cause a denial of service DoS condition due to the device unexpectedly reloading. The vulnerability is due to incomplete input validation of the BGP...

High Performance DoS Analyzer: FastNetMon

High Performance DoS Analyzer FastNetMon – A high performance DoS/DDoS load analyzer built on top of multiple packet capture engines NetFlow, IPFIX, sFLOW, SnabbSwitch, netmap, PFRING, PCAP. What can we do? We can detect hosts in our networks sending or receiving large volumes of...

[SECURITY] [DSA 3654-1] quagga security update

------------------------------------------------------------------------- Debian Security Advisory DSA-3654-1 [email protected] https://www.debian.org/security/ Sebastien Delafond August 26, 2016 https://www.debian.org/security/faq -...

[SECURITY] [DSA 3654-1] quagga security update

------------------------------------------------------------------------- Debian Security Advisory DSA-3654-1 [email protected] https://www.debian.org/security/ Sebastien Delafond August 26, 2016 https://www.debian.org/security/faq -...

Debian Security Advisory DSA 3654-1 (quagga - security update)

Two vulnerabilities were discovered in quagga, a BGP/OSPF/RIP routing daemon. CVE-2016-4036 Tams Nmeth discovered that sensitive configuration files in /etc/quagga were world-readable despite containing sensitive information. CVE-2016-4049 Evgeny Uskov discovered that a bgpd instance handling man...

Cisco IOS XE Software Border Gateway Protocol Message Processing DoS (cisco-sa-20160715-bgp)

The Cisco IOS XE Software running on the remote device is missing a security patch. It is, therefore, affected by a denial of service vulnerability in the Border Gateway Protocol BGP message processing functions due to improper processing of BGP attributes. An authenticated, remote attacker can...

Cisco IOS Software Border Gateway Protocol Message Processing DoS (cisco-sa-20160715-bgp)

The Cisco IOS Software running on the remote device is missing a security patch. It is, therefore, affected by a denial of service vulnerability in the Border Gateway Protocol BGP message processing functions due to improper processing of BGP attributes. An authenticated, remote attacker can...

Debian: Security Advisory (DSA-3654-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2016 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...

Cisco IOS Software Border Gateway Protocol Message Processing Denial of Service Vulnerability (cisco-sa-20160715-bgp)

A vulnerability in Border Gateway Protocol BGP message processing functions of Cisco IOS Software could allow an authenticated, remote attacker to cause an affected device to reload. SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and...

Cisco IOS XE Software Border Gateway Protocol Message Processing Denial of Service Vulnerability

A vulnerability in Border Gateway Protocol BGP message processing functions of Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper processing of crafted BGP attributes. An attacker could exploit this...

CVE-2016-1459

Cisco IOS 12.4 and 15.0 through 15.5 and IOS XE 3.13 through 3.17 allow remote authenticated users to cause a denial of service device reload via crafted attributes in a BGP message, aka Bug ID CSCuz21061...

Code injection

Cisco IOS 12.4 and 15.0 through 15.5 and IOS XE 3.13 through 3.17 allow remote authenticated users to cause a denial of service device reload via crafted attributes in a BGP message, aka Bug ID CSCuz21061...

CVE-2016-1459

CVE-2016-1459 affects Cisco IOS 12.4 and IOS 15.0–15.5 and IOS XE 3.13–3.17. The issue is a DoS via BGP message processing: crafted BGP attributes can cause an affected device to reload when processed by the BGP subsystem. The vulnerability is triggered by remote, authenticated access and is cate...

Cisco IOS and IOS XE Software Border Gateway Protocol Message Processing Denial of Service Vulnerability

A vulnerability in Border Gateway Protocol BGP message processing functions of Cisco IOS and IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload. The vulnerability is due to improper processing of crafted BGP attributes. An attacker could exploit th...

CVE-2016-4049

The bgpdumproutesfunc function in bgpd/bgpdump.c in Quagga does not perform size checks when dumping data, which might allow remote attackers to cause a denial of service assertion failure and daemon crash via a large BGP packet...

Design/Logic Flaw

The bgpdumproutesfunc function in bgpd/bgpdump.c in Quagga does not perform size checks when dumping data, which might allow remote attackers to cause a denial of service assertion failure and daemon crash via a large BGP packet...