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Critical RCE Flaw in Linux APT Allows Remote Attackers to Hack Systems

Just in time…

Cybersecurity experts this week fighting over Twitter in favor of not using HTTPS and suggesting software developers to only rely on signature-based package verification just because APT on Linux also does the same.

Just today, a security researcher revealed details of a critical remote code execution flaw in Linux APT, exploitation of which could have been mitigated if the software download manager was strictly using HTTPS to communicate securely.

Discovered by Max Justicz, the vulnerability (CVE-2019-3462) resides in the APT package manager, a widely used utility that handles installation, update and removal of software on Debian, Ubuntu, and other Linux distributions.

According to a blog post published by Justicz, the vulnerable versions of APT doesn’t properly sanitize certain parameters during HTTP redirects, allowing a remote man-in-the-middle attacker to inject malicious content and trick the system into installing altered packages.

HTTP redirects while using apt-get command help Linux machines to automatically request packages from a suitable mirror server when others are unavailable. If the first server fails, it returns a response with the location of next server from where the client should request the package.

As shown by the researcher in a video demonstration, an attacker intercepting HTTP traffic between APT utility and a mirror server, or just a malicious mirror, eventually could execute arbitrary code on the targeted system with the highest level of privileges, i.e. root, Justicz told The Hacker News.

Though Justicz has not tested, he believes the vulnerability affects all package downloads, even if you are installing a package for the very first time or updating an old one.

No doubt, to protect the integrity of the software packages, it’s important to use signature-based verification, as software developers do not have control over mirror servers, but at the same time, implementing HTTPS could prevent active exploitation after the discovery of such vulnerabilities.

No software, platform or sever can be 100 percent secure, so having every possible layer of security is never a bad idea to consider.

The developers of APT have released version 1.4.9 that addresses the issue.

Since APT is being used by many major Linux distributions including Debian and Ubuntu, who have also acknowledged and released security patches for the vulnerability, it is highly recommended for Linux users to update their systems as soon as possible.

Best Enterprise Firewall 2018

Best Enterprise Firewall 2018

Best Enterprise Firewall 2018
Fortinet FortiGate
Cisco ASA
Sophos UTM
pfSense
Meraki MX Firewalls
Sophos Cyberoam UTM
WatchGuard XTM
Juniper SRX
SonicWall TZ
SonicWall NSA
Barracuda NextGen Firewall
Sophos XG
FortiGate-VM
Cisco Firepower NGFW
Zscaler Web Security
Cisco Sourcefire Firewalls
Check Point UTM-1
Check Point VSX
Kerio Control
Untangle NG Firewall
Palo Alto Networks VM-Series
Cisco ASAv
Check Point Next Generation Firewall
Cisco IOS Security
Palo Alto Networks Next-Generation Firewall
Stormshield Network Security
OPNsense
Check Point VPN-1
McAfee StoneGate
Check Point Power-1
Trustwave Firewalls
McAfee Firewall Enterprise MFE
3Com H3C Firewall
A10 Networks Thunder CFW
Hillstone E-Series
NetFortris Hosted Firewall
NetFortris Threat Analyzer
WatchGuard Firebox
Hillstone T-Series
Fortinet FortiOS
Hillstone X-Series Data Center Firewalls
Hillstone CloudEdge
Sonatype Nexus Firewall
Comodo Dome Firewall
Sangfor NGAF

Best business firewalls: Which firewall is suitable for your business?

Best business firewalls: Which firewall is suitable for your business?

Best business firewalls: Which firewall is suitable for your business?

Best business firewalls: Which firewall is suitable for your business?

There are countless options to choose from when considering firewall protection. Should you invest in an external firewall, stick with a virtual firewall or take the plunge with both?

The firewalls listed here cater to most sizes of organisation, from small businesses that only require virtual firewalls to larger enterprises that should house external firewall hardware.

With recent data breaches highlighting the importance of securing your network, IT Monteur Firewall Firm investigates the best firewalls on the market for every business’ first line of defence.

Firewalls – Buyer’s Guide and Reviews

A10 Networks
A10 Networks Thunder CFW
Barracuda Networks
Barracuda Networks NG Firewall
Check Point
Check Point Power-1
Check Point
Check Point UTM-1
Check Point
Check Point VPN-1
Check Point
Check Point VSX
Cisco
Cisco Sourcefire Firewalls
Cisco
Cisco ASA
Cisco
Meraki MX Firewalls
Cisco
Cisco Firepower NGFW
Cisco
Cisco ASAv
Fortinet
Fortinet FortiGate
Fortinet
FortiGate-VM
GFI
Kerio Control
Hewlett Packard
Enterprise
3Com H3C Firewall
Hillstone Networks
Hillstone E-Series
Hillstone Networks
Hillstone T-Series
Hillstone Networks
Hillstone X-Series Data Center Firewalls
Hillstone Networks
Hillstone CloudEdge
Intel Security
Intel Security StoneGate
Intel Security
Intel Security Firewall Enterprise MFE
Juniper
Juniper SRX
NetFortris
NetFortris Hosted Firewall
NetFortris
NetFortris Threat Analyzer
OPNsense
OPNsense
Palo Alto Networks
Palo Alto Networks WildFire
Palo Alto Networks
Palo Alto Networks VM-Series
pfSense
pfSense
SonicWall
SonicWall TZ
SonicWall
SonicWall NSA
Sophos
Sophos Cyberoam UTM
Sophos
Sophos UTM
Sophos
Sophos XG
Stormshield
Stormshield Network Security
Trustwave
Trustwave Firewalls
Untangle
Untangle NG Firewall
WatchGuard
WatchGuard XTM
WatchGuard
WatchGuard Firebox
Zscaler
Zscaler Web Security

Top Firewalls Solutions

1 Fortinet FortiGate
The FortiGate family of NG firewalls provides proven protection with unmatched performance across the network, from internal
segments, to data centers, to cloud environments. FortiGates are available in a large range of sizes and form factors and are key
components of the Fortinet Security Fabric, which enables immediate, intelligent defense against known and new threats
throughout the entire network
2 Cisco ASA
Adaptive Security Appliance (ASA) is Cisco’s end-to-end software solution and core operating system that powers the Cisco ASA
product series. This software solution provides enterprise-level firewall capabilities for all types of ASA products, including blades,
standalone appliances and virtual devices. Adaptive Security Appliance provides protection to organizations of all sizes, and
allows end-users to access information securely anywhere, at any time, and through any device.Adaptive Security Appliance is
also fully compatible with other key security technologies, and so provides organizations with an all-encompassing security
solution.
3 Sophos UTM
The global network of highly skilled researchers and analysts, protecting businesses from known and emerging malware – viruses,
rootkits and spyware.
4 pfSense
Providing comprehensive network security solutions for the enterprise, large business and SOHO, pfSense solutions bring
together the most advanced technology available to make protecting your network easier than ever before. Our products are built
on the most reliable platforms and are engineered to provide the highest levels of performance, stability and confidence.
5 Palo Alto Networks WildFire
WildFire™ cloud-based threat analysis service is the industry’s most advanced analysis and prevention engine for highly evasive
zero-day exploits and malware. The cloud-based service employs a unique multi-technique approach combining dynamic and
static analysis, innovative machine learning techniques, and a groundbreaking bare metal analysis environment to detect and
prevent even the most evasive threats.
6 Sophos Cyberoam UTM
Cyberoam Unified Threat Management hardware appliances offer comprehensive security to organizations, ranging from large
enterprises to small and branch offices. Multiple security features integrated over a single, Layer 8 Identity-based platform make
security simple, yet highly effective.
7 SonicWall TZ
The secure, sophisticated SonicWALL TZ is widely deployed at small businesses, retail, government, remote sites and branch
offices. It combines high-performance intrusion prevention, malware blocking, content/URL filtering and application control.
8 Meraki MX Firewalls
With the proliferation of modern applications and mixed-use networks, host and port based security is no longer sufficient. Cisco
Meraki’s layer 7 “next generation” firewall, included in MX security appliances and every wireless AP, gives administrators
complete control over the users, content, and applications on their network.
9 WatchGuard XTM
Small businesses need big security, too, and the WatchGuard XTM Series firewall/VPN appliances deliver that strong protection Ð
but without the hefty price tag. Enterprise-grade security includes full HTTPS content inspection, VoIP support, and optional
security subscriptions like Application Control and Intrusion Prevention Service.
10 Juniper SRX
High-performance security with advanced, integrated threat intelligence, delivered on the industry’s most scalable and resilient
platform. SRX Series gateways set new benchmarks with 100GbE interfaces and feature Express Path technology, which enables
up to 1 Tbps performance for the data center.

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Information Security - InfoSec - Cyber Security - Firewall Providers Company in India

Juniper Firewall
Cisco Firewall
Checkpoint Firewall
paloalto Firewall
Fortinet Firewall
Forcepoint Firewall

 

Sophos Firewall
WatchGuard Firewall
Barracuda Firewall
Sonicwall Firewall
GajShield Firewall
Seqrite Firewall

What is Firewall? A Firewall is a network security device that monitors and filters incoming and outgoing network traffic based on an organization's previously established security policies. At its most basic, a firewall is essentially the barrier that sits between a private internal network and the public Internet.

 

Secure your network at the gateway against threats such as intrusions, Viruses, Spyware, Worms, Trojans, Adware, Keyloggers, Malicious Mobile Code (MMC), and other dangerous applications for total protection in a convenient, affordable subscription-based service. Modern threats like web-based malware attacks, targeted attacks, application-layer attacks, and more have had a significantly negative effect on the threat landscape. In fact, more than 80% of all new malware and intrusion attempts are exploiting weaknesses in applications, as opposed to weaknesses in networking components and services. Stateful firewalls with simple packet filtering capabilities were efficient blocking unwanted applications as most applications met the port-protocol expectations. Administrators could promptly prevent an unsafe application from being accessed by users by blocking the associated ports and protocols.

 

Firewall Firm is an IT Monteur Firewall Company provides Managed Firewall Support, Firewall providers , Firewall Security Service Provider, Network Security Services, Firewall Solutions India , New Delhi - India's capital territory , Mumbai - Bombay , Kolkata - Calcutta , Chennai - Madras , Bangaluru - Bangalore , Bhubaneswar, Ahmedabad, Hyderabad, Pune, Surat, Jaipur, Firewall Service Providers in India

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