Advanced Policy Firewall: APF

Advanced Policy Firewall APF is an iptablesnetfilter based firewall system designed around the essential needs of today’s Internet deployed servers and the unique needs of custom deployed Linux installations. The configuration of APF is designed to be very informative and present the user with an...

openstack-neutron: iptables not active after update

A race-condition flaw was discovered in openstack-neutron where, following a minor overcloud update, neutron security groups were disabled. Specifically, the following were reset to 0: net.bridge.bridge-nf-call-ip6tables and net.bridge.bridge-nf-call-iptables. The race was only triggered by an...

openstack-neutron: iptables not active after update

A race-condition flaw was discovered in openstack-neutron where, following a minor overcloud update, neutron security groups were disabled. Specifically, the following were reset to 0: net.bridge.bridge-nf-call-ip6tables and net.bridge.bridge-nf-call-iptables. The race was only triggered by an...

openstack-neutron: iptables not active after update

A race-condition flaw was discovered in openstack-neutron where, following a minor overcloud update, neutron security groups were disabled. Specifically, the following were reset to 0: net.bridge.bridge-nf-call-ip6tables and net.bridge.bridge-nf-call-iptables. The race was only triggered by an...

Simplify the management of ip(6)tables based firewalls: fwgen

fwgen is a small framework to simplify the management of ip6tables based firewalls, that also integrates ipset support and zones in a non-restrictive way. It is not an abstraction layer of the iptables syntax, so you still need to understand how to write iptables rules and how packets are process...

How to: Detect OutlawCountry on YOUR System?

PenTestIT RSS Feed On June 29th 2017, WikiLeaks published documents about the CIA OutlawCountry project that targets computers running the Linux operating systems. Such releases have been code-named "Vault 7" by WikiLeaks. This is a post about a simple method with which you can verify for your se...

PT-2018-6613 · Arista +7 · Veos +7

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 4.11 Linux kernel versions 4.9.x prior to 4.9.36 Description: The issue is related to the tcpmss mangle packet function in the Linux kernel, which allows remote attackers to cause a denial of service or possibly...

RHEL / CentOS 6.x (64-bit) Malicious Kernel Module Detection (OutlawCountry)

According to diagnostic indicators, the remote Red Hat Enterprise Linux or CentOS host may have a malicious kernel module known as OutlawCountry installed. OutlawCountry creates a hidden netfilter table that allows an authenticated attacker to covertly override existing netfilter/iptables firewal...

Native DNS Spoofer (Example)

This module provides a Rex based DNS service to resolve queries intercepted via the capture mixin. Configure STATICENTRIES to contain host-name mappings desired for spoofing using a hostsfile or space/semicolon separated entries. In the default configuration, the service operates as a normal nati...

openSUSE Security Update : lynis (openSUSE-2017-705)

This update for lynis fixes the following issues : Lynis 2.5.1 : - Improved detection of SSL certificate files - Minor changes to improve logging and results - Firewall tests: Determine if CSF is in testing mode The Update also includes changes from Lynis 2.5.0 : - CVE-2017-8108: symlink attack m...

Application Level Firewall OpenSnitch

Application Level Firewall OpenSnitch OpenSnitch is a GNU/Linux port of the Little Snitch application firewall. OpenSnitch is an application level firewall, meaning then while running, it will detect and alert the user for every outgoing connection applications he’s running are creating. This can...

Simple tc Command Wrapper Tool: tcconfig

Simple tc Command Wrapper Tool A Simple tc command wrapper tool. Easy to set up traffic control of network bandwidth/latency/packet-loss to a network interface. Traffic control features Traffic shaping target Apply traffic shaping rules to specific target: Outgoing/Incoming packets Certain IP...

Code injection

The IPTables-Parse module before 1.6 for Perl allows local users to write to arbitrary files owned by the current user...

UBUNTU-CVE-2015-8326

The IPTables-Parse module before 1.6 for Perl allows local users to write to arbitrary files owned by the current user...

CVE-2015-8326

The IPTables-Parse module before 1.6 for Perl allows local users to write to arbitrary files owned by the current user...

DEBIAN-CVE-2015-8326

The IPTables-Parse module before 1.6 for Perl allows local users to write to arbitrary files owned by the current user...

CVE-2015-8326

The IPTables-Parse module before 1.6 for Perl allows local users to write to arbitrary files owned by the current user...

CVE-2015-8326

The IPTables-Parse module before 1.6 for Perl allows local users to write to arbitrary files owned by the current user...

CVE-2015-8326

The IPTables-Parse module before 1.6 for Perl allows local users to write to arbitrary files owned by the current user...

CVE-2015-8326

The CVE-2015-8326 issue affects the IPTables-Parse Perl module (before 1.6). A local attacker can exploit insecure temporary file creation to write to arbitrary files owned by the current user via the module’s file handling. Root cause: predictable/unsafe temporary file handling enabling a symbol...