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...

Cisco ASR 1000 Series Router Segmented IPv4 Processing Denial of Service Vulnerability

The Cisco ASR1000 Series Aggregation Services Routers provide a WAN edge solution that integrates information, communication, collaboration, and commerce. A security vulnerability in the Cisco ASR 1000 Series Router's processing of 100,000 segmented IPv4 messages allows a remote attacker to explo...

Code injection

The IPv4 implementation on Cisco ASR 1000 devices with software 15.53S allows remote attackers to cause a denial of service ESP QFP CPU consumption by triggering packet fragmentation and reassembly, aka Bug ID CSCuv71273...

CVE-2015-6274

CVE-2015-6274 affects Cisco ASR 1000 Series routers (IPv4, fragmentation handling). The issue arises in IPv4 processing that handles packet fragmentation/reassembly, allowing a remote attacker to cause denial of service by driving ESP QFP CPU usage (Bug CSCuv71273). Affected software is 15.5(3)S....

Cisco ASR 1000 Series Aggregation Services Routers Data-Plane Processing Denial of Service Vulnerability

A vulnerability in the Cisco ASR 1000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause a denial of service DoS condition. The vulnerability is due to the processing of excessive number of IPv4 packets that require fragmentation and reassembly. An attack...

CVE-2015-6269

Cisco IOS XE before 2.2.3 on ASR 1000 devices allows remote attackers to cause a denial of service Embedded Services Processor crash via a crafted 1 IPv4 or 2 IPv6 packet, aka Bug ID CSCsw69990...

Code injection

Cisco IOS XE before 2.2.3 on ASR 1000 devices allows remote attackers to cause a denial of service Embedded Services Processor crash via a crafted 1 IPv4 or 2 IPv6 packet, aka Bug ID CSCsw69990...

CVE-2015-6268

Cisco IOS XE before 2.2.3 on ASR 1000 devices allows remote attackers to cause a denial of service Embedded Services Processor crash via a crafted IPv4 UDP packet, aka Bug ID CSCsw95482...

CVE-2015-6268

Cisco IOS XE before 2.2.3 on ASR 1000 devices allows remote attackers to cause a denial of service Embedded Services Processor crash via a crafted IPv4 UDP packet, aka Bug ID CSCsw95482...

CVE-2015-6249

The dissectwccp2r1addresstableinfo function in epan/dissectors/packet-wccp.c in the WCCP dissector in Wireshark 1.12.x before 1.12.7 does not prevent the conflicting use of a table for both IPv4 and IPv6 addresses, which allows remote attackers to cause a denial of service application crash via a...

CVE-2015-6249

The dissectwccp2r1addresstableinfo function in epan/dissectors/packet-wccp.c in the WCCP dissector in Wireshark 1.12.x before 1.12.7 does not prevent the conflicting use of a table for both IPv4 and IPv6 addresses, which allows remote attackers to cause a denial of service application crash via a...

Moderate: Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

Updated kernel-rt packages that fix multiple security issues, several bugs, and add various enhancements are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Moderate security impact. Common Vulnerability Scoring System CVSS base scores, which...

Moderate: Red Hat Security Advisory: kernel-rt security, bug fix, and enhancement update

Updated kernel-rt packages that fix three security issues, several bugs, and add various enhancements are now available for Red Hat Enterprise MRG 2.5. Red Hat Product Security has rated this update as having Moderate security impact. Common Vulnerability Scoring System CVSS base scores, which gi...

CVE-2015-4291

Cisco IOS XE 2.x before 2.4.3 and 2.5.x before 2.5.1 on ASR 1000 devices allows remote attackers to cause a denial of service Embedded Services Processor crash via a crafted series of fragmented 1 IPv4 or 2 IPv6 packets, aka Bug ID CSCtd72617...