isc-dhcpd -- Denial of Service

ISC reports: A badly formed packet with an invalid IPv4 UDP length field can cause a DHCP server, client, or relay program to terminate abnormally...

UBUNTU-CVE-2015-8787

The nfnatredirectipv4 function in net/netfilter/nfnatredirect.c in the Linux kernel before 4.4 allows remote attackers to cause a denial of service NULL pointer dereference and system crash or possibly have unspecified other impact by sending certain IPv4 packets to an incompletely configured...

CVE-2015-8787

The nfnatredirectipv4 function in net/netfilter/nfnatredirect.c in the Linux kernel before 4.4 allows remote attackers to cause a denial of service NULL pointer dereference and system crash or possibly have unspecified other impact by sending certain IPv4 packets to an incompletely configured...

openvpn: out-of-bound read

The code always tried to copy-out a "struct sockaddrin6" even for IPv4 results, which reads more bytes than getaddrinfo is guaranteed to allocate...

kea -- unexpected termination while handling a malformed packet

ISC Support reports: ISC Kea may terminate unexpectedly crash while handling a malformed client packet. Related defects in the kea-dhcp4 and kea-dhcp6 servers can cause the server to crash during option processing if a client sends a malformed packet. An attacker sending a crafted malformed packe...

net security update

CentOS Errata and Security Advisory CESA-2015:2345 Updated net-snmp packages that fix one security issue and several bugs are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System CVSS...

netcf security, bug fix, and enhancement update

0.2.8-1 - Rebase to netcf-0.2.8 - resolve rhbz1165965 - CVE-2014-8119 - resolve rhbz1159000 - support multiple IPv4 addresses in interface config redhat driver - resolve rhbz1113983 - allow static IPv4 config simultaneous with DHCPv4 redhat driver - resolve rhbz1170941 - remove extra quotes from...

RHEL 7 : net-snmp (RHSA-2015:2345)

Updated net-snmp packages that fix one security issue and several bugs are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating...

Moderate: Red Hat Security Advisory: net-snmp security and bug fix update

Updated net-snmp packages that fix one security issue and several bugs are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Moderate security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating...

targets-xml NSE Script

Loads addresses from an Nmap XML output file for scanning. Address type IPv4 or IPv6 is determined according to whether -6 is specified to nmap. Script Arguments targets-xml.iX Filename of an Nmap XML file to import targets-xml.state Only hosts with this status will have their addresses input...

Cisco ASA Software VPN ISAKMP Denial of Service Vulnerability

A vulnerability in the Internet Key Exchange IKE version 1 v1 code of Cisco Adaptive Security Appliance ASA Software could allow an unauthenticated, remote attacker to cause an affected system to reload. The vulnerability is due to improper handling of Internet Security Association and Key...

Oracle: Security Advisory (ELSA-2012-2003)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 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...

Oracle: Security Advisory (ELSA-2015-3049)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 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...

uh-oh! North America Runs Completely Out of IPv4 Internet Addresses

Two months ago, THN reported about a similar announcement made by The American Registry for Internet Numbers ARIN, which said that the agency is no longer able to produce IPv4 addresses in North America. Within a time frame of few months, ARIN, which handles Internet addresses in America, has...

CVE-2015-6282

Cisco IOS XE 2.x and 3.x before 3.10.6S, 3.11.xS through 3.13.xS before 3.13.3S, and 3.14.xS through 3.15.xS before 3.15.1S allows remote attackers to cause a denial of service device reload via IPv4 packets that require NAT and MPLS actions, aka Bug ID CSCut96933...

Network Security Testing: Evil Foca

Evil Foca is a tool for security pentesters and auditors whose purpose it is to test security in IPv4 and IPv6 data networks. The software automatically scans the networks and identifies all devices and their respective network interfaces, specifying their IPv4 and IPv6 addresses as well as the...

Cisco Fixes Denial of Service, Bypass Vulnerabilities in IOS

Cisco pushed out on Wednesday its usual semiannual round of patches for IOS, the software the company uses for most of its routers and switches. This month’s security advisories addressed four vulnerabilities, three which could lead to denial of service situations, and another that could have let...

Evil FOCA - MITM, DoS, DNS Hijacking in IPv4 and IPv6 Penetration Testing Tool

Evil Foca is a tool for security pentesters and auditors whose purpose it is to test security in IPv4 and IPv6 data networks. The tool is capable of carrying out various attacks such as: MITM over IPv4 networks with ARP Spoofing and DHCP ACK Injection. MITM on IPv6 networks with Neighbor...

Cisco IOS XE Software Network Address Translation Denial of Service Vulnerability

A vulnerability in the processing of IPv4 packets that require Network Address Translation NAT and Multiprotocol Label Switching MPLS services of Cisco IOS XE Software for Cisco ASR 1000 Series, Cisco ISR 4300 Series, Cisco ISR 4400 Series, and Cisco Cloud Services 1000v Series Routers could allo...

DHCP exhaustion attack: DHCPig

dhcpig – an advanced DHCP exhaustion attack DHCPig initiates an advanced DHCP exhaustion attack. It will consume all IPs on the LAN, stop new users from obtaining IPs, release any IPs in use, then for good measure send gratuitous ARP and knock all windows hosts offline. It requires scapy =2.1...