GPS Spoofing in Aircrafts: The New Age Jeopardy in the Aviation Industry
Introduction
“GPS Spoofing” though formerly was confined to conflict zones as a consequence, has lately become a growing hazard for pilots and aircraft operators across the world, and several countries have been facing such issues. This definition stems from the US Radio Technical Commission for Aeronautics, which delivers specialized advice for government regulatory authorities. Global Positioning System (GPS) is considered an emergent part of aviation infrastructure as it supersedes traditional radio beams used to direct planes towards the landing. “GPS spoofing” occurs when a double-dealing radio signal overrides a legitimate GPS satellite alert where the receiver gets false location information. In the present times, this is the first time civilian passenger flights have faced such a significant danger, though GPS signal interference of this character has existed for over a decade. According to the Agency France-Presse (AFP), false GPS signals mislead onboard plane procedures and problematise the job of airline pilots that are surging around conflict areas. GPS spoofing may also be the outcome of military electronic warfare systems that have been deployed in zones combating regional tension. GPS spoofing can further lead to significant upheavals in commercial aviation, which include arrivals and departures of passengers apart from safety.
Spoofing might likewise involve one country’s military sending false GPS signals to an enemy plane or drone to impede its capability to operate, which has a collateral impact on airliners operating at a near distance. Collateral impairment in commercial aircraft can occur as confrontations escalate and militaries send faulty GPS signals to attempt to thwart drones and other aircraft. It could, therefore, lead to a global crisis, leading to the loss of civilian aircraft in an area already at a high-risk zone close to an operational battle area. Furthermore, GPS jamming is different from GPS Spoofing. While jamming is when the GPS signals are jammed or obstructed, spoofing is very distinct and way more threatening.
Global Reporting
An International Civil Aviation Organization (ICAO) assessment released in 2019 indicated that there were 65 spoofing incidents across the Middle East in the preceding two years, according to the C4ADS report. At the beginning of 2018, Euro control received more than 800 reports of Global Navigation Satellite System (GNSS) interference in Europe. Also, GPS spoofing in Eastern Europe and the Middle East has resulted in up to 80nm divergence from the flight route and aircraft impacted have had to depend on radar vectors from Air Traffic Control (ATC). According to Forbes, flight data intelligence website OPSGROUP, constituted of 8,000 members including pilots and controllers, has been reporting spoofing incidents since September 2023. Similarly, over 20 airlines and corporate jets flying over Iran diverted from their planned path after they were directed off the pathway by misleading GPS signals transmitted from the ground, subjugating the navigation systems of the aircraft.
In this context, vicious hackers, however at large, have lately realized how to override the critical Inertial Reference Systems (IRS) of an airplane, which is the essential element of technology and is known by the manufacturers as the “brains” of an aircraft. However, the current IRS is not prepared to counter this kind of attack. IRS uses accelerometers, gyroscopes and electronics to deliver accurate attitude, speed, and navigation data so that a plane can decide how it is moving through the airspace. GPS spoofing occurrences make the IRS ineffective, and in numerous cases, all navigation power is lost.
Red Flag from Agencies
The European Union Aviation Safety Agency (EASA) and the International Air Transport Association (IATA) correspondingly hosted a workshop on incidents where people have spoofed and obstructed satellite navigation systems and inferred that these direct a considerable challenge to security. IATA and EASA have further taken measures to communicate information about GPS tampering so that crew and pilots can make sure to determine when it is transpiring. The EASA had further pre-cautioned about an upsurge in reports of GPS spoofing and jamming happenings in the Baltic Sea area, around the Black Sea, and regions near Russia and Finland in 2022 and 2023. According to industry officials, empowering the latest technologies for civil aircraft can take several years, and while GPS spoofing incidents have been increasing, there is no time to dawdle. Experts have noted critical navigation failures on airplanes, as there have been several recent reports of alarming cyber attacks that have changed planes' in-flight GPS. As per experts, GPS spoofing could affect commercial airlines and cause further disarray. Due to this, there are possibilities that pilots can divert from the flight route, further flying into a no-fly zone or any unauthorized zone, putting them at risk.
According to OpsGroup, a global group of pilots and technicians first brought awareness and warning to the following issue when the Federal Aviation Administration (FAA) issued a forewarning on the security of flight risk to civil aviation operations over the spate of attacks. In addition, as per the civil aviation regulator Directorate General of Civil Aviation (DGCA), a forewarning circular on spoofing threats to planes' GPS signals when flying over parts of the Middle East was issued. DGCA advisory further notes the aviation industry is scuffling with uncertainties considering the contemporary dangers and information of GNSS jamming and spoofing.
Conclusion
As the aviation industry continues to grapple with GPS spoofing problems, it is entirely unprepared to combat this, although the industry should consider discovering attainable technologies to prevent them. As International conflicts become convoluted, technological solutions are unrestricted and can be pricey, intricate and not always efficacious depending on what sort of spoofing is used.
As GPS interference attacks become more complex, specialized resolutions should be invariably contemporized. Improving education and training (to increase awareness among pilots, air traffic controllers and other aviation experts), receiver technology (Creating and enforcing more state-of-the-art GPS receiver technology), ameliorating monitoring and reporting (Installing robust monitoring systems), cooperation (collaboration among stakeholders like government bodies, aviation organisations etc.), data/information sharing, regulatory measures (regulations and guidelines by regulatory and government bodies) can help in averting GPS spoofing.
References
- https://economictimes.indiatimes.com/industry/transportation/airlines-/-aviation/false-gps-signal-surge-makes-life-hard-for-pilots/articleshow/108363076.cms?from=mdr
- https://nypost.com/2023/11/20/lifestyle/hackers-are-taking-over-planes-gps-experts-are-lost-on-how-to-fix-it/
- https://www.timesnownews.com/india/planes-losing-gps-signal-over-middle-east-dgca-flags-spoofing-threat-article-105475388
- https://www.firstpost.com/world/gps-spoofing-deceptive-gps-lead-over-20-planes-astray-in-iran-13190902.html
- https://www.forbes.com/sites/erictegler/2024/01/31/gps-spoofing-is-now-affecting-airplanes-in-parts-of-europe/?sh=48fbe725c550
- https://www.insurancejournal.com/news/international/2024/01/30/758635.htm
- https://airwaysmag.com/gps-spoofing-commercial-aviation/
- https://www.wsj.com/articles/aviation-industry-to-tackle-gps-security-concerns-c11a917f
- https://www.deccanherald.com/world/explained-what-is-gps-spoofing-that-has-misguided-around-20-planes-near-iran-iraq-border-and-how-dangerous-is-this-2708342
Related Blogs
Introduction
Google.org is committed to stepping ahead to enhance Internet safety and responsible online behaviour. ‘Google for INDIA 2023’, an innovative conclave, took place on 19th October 2023. Google.org has embarked on its vision for a safer Internet and combating misinformation, financial frauds and other threats that come from bad actors. Alphabet Big Tech is committed to leading this charter and engaging with all stakeholders, including government agencies. Google.org has partnered with CyberPeace Foundation to foster a safer online environment and empower users on informed decisions on the Internet. CyberPeace will run a nationwide awareness and capacity-building Initiative equipping more than 40 Million Indian netizens with fact-checking techniques, tools, SoPs, and guidance for responsible and safe online behaviour. The campaign will be deployed in 15 Indian regional languages as a comprehensive learning outcome for the whole nation. Together, Google.org and CyberPeace Foundation aim to make the Internet safer for everyone and work in a direction to ensure that progress for everyone is built on a strong foundation of trusted information available on the Internet and pursuing the true spirit of “Technology for Good”.
Google.org and CyberPeace together for enhanced online safety
A new $4 million grant to CyberPeace Foundation will support a nationwide awareness-building program and comprehensive multilingual digital resource hub with content available in up to 15 Indian languages to empower nearly 40 million underserved people across the country in building resilience against misinformation and practice responsible online behaviour. Together, Google.org and CyberPeace are on their way to creating a strong pathway of trusted Internet and a safer digital environment. The said campaign will be undertaken for a duration of 3 years, and the following key components will run at the core of the same:
- CyberPeace Corps Volunteers: This will be a pan India volunteer engagement initiative to create a community of 9 million CyberPeace Ambassadors/First Responders/Volunteers to fight misinformation and promote responsible online behaviour going far into the rural, marginalised and most vulnerable strata of society.
- Digital Resource Hub: In pursuance of the campaign, CyberPeace is developing a cutting-edge platform offering a wealth of resources on media literacy, responsible content creation, and cyber hygiene translated into 15 Indian regional languages for a widespread impact on the ground.
- Public Sensitisation: CyberPeace will be conducting an organic series of online and offline events focusing on empowering netizens to discern fact from fiction. These sensitisation drives will be taken on by start master trainers from different regions of India to ensure all states and UTs are impacted.
- CyberPeace Quick Reaction Team: A specialised team of tech enthusiasts that will work closely with platforms to rapidly address new-age cyber threats and misinformation campaigns in real-time and establish best practices and SoPs for the diverse elements in the industries.
- Engaging Multimedia Content: With CyberPeace’s immense expertise in E-Course and digital content, the campaign will produce a range of multilingual multimedia resources, including informative videos, posters, games, contests, infographics, and more.
- Fact-check unit: Fact-check units will play a crucial role in monitoring, identifying, and doing fact analysis of the suspected information and overall busting the growing incidents of misinformation. Fake news or misinformation has negative consequences on society at large. The fact-check units play a significant role in controlling the widespread of misinformation.
Fight Against Misinformation
Misinformation is rampant all across the world and requires attention. With the increasing penetration of social media and the internet, this remains a global issue. Google.org has taken up the initiative to address this issue in India and, in collaboration with CyberPeace Foundation taken a proactive step to multiple avenues for mass-scale awareness and upskilling campaigns have been piloted to make an impact on the ground with the vision of upskilling over 40 Million people in the country and building resilience against misinformation and practicing responsible online behavior.
Maj Vineet Kumar, Founder of CyberPeace, said,
"In an era in which digital is deeply intertwined with our lives, knowing how to discern, act on, and share the credible from the wealth of information available online is critical to our well-being, and of our families and communities. Through this initiative, we’re committing to help Internet users across India become informed, empowered and responsible netizens leading through conversations and actions. Whether it’s in fact-checking information before sharing it, or refraining from sharing unverified news, we all play an important role in building a web that is a safe and inclusive space for everyone, and we are extremely grateful to Google.org for propelling us forward in this mission with their grant support.”
Annie Lewin, Senior Director of Global Advocacy and Head of Asia Pacific, Google.org said:
“We have a longstanding commitment to supporting changemakers using technology to solve humanity's biggest challenges. And, the innovation and zeal of Indian nonprofit organisations has inspired us to deepen our commitment in India. With the new grant to CyberPeace Foundation, we are proud to support solutions that speak directly to Google’s DNA, helping first-time internet users chart their path in a digital world with confidence. Such solutions give us pride and hope that each step, built on a strong foundation of trusted information, will translate into progress for all.”
Conclusion
Google.org has partnered with government agencies and other Indian organisations with the vision of future-proof India for digital public infrastructure and staying a step ahead for Internet safety, keeping the citizens safe online. Google.org is taking its largest step yet towards online safety in India. There is widespread misinformative content and information in the digital media space or on the internet. This proactive initiative of Google.org in collaboration with CyberPeace is a commendable step to prevent the spread of misinformation and empower users to act responsibly while sharing any information and making informed decisions while using the Internet, hence creating a safe digital environment for everyone.
References:
- https://www.youtube.com/live/-b4lTVjOsXY?feature=shared
- https://blog.google/intl/en-in/products/google-for-india-2023-product-announcements/
- https://blog.google/intl/en-in/partnering-indias-success-in-a-new-digital-paradigm/
- https://telecom.economictimes.indiatimes.com/news/internet/google-to-debut-credit-in-india-announces-a-slew-of-ai-powered-launches/104547623
- https://theprint.in/economy/google-for-india-2023-tech-giant-says-it-removed-2-million-violative-videos-in-q2-2023/1810201/
Executive Summary:
One of the most complex threats that have appeared in the space of network security is focused on the packet rate attacks that tend to challenge traditional approaches to DDoS threats’ involvement. In this year, the British based biggest Internet cloud provider of Europe, OVHcloud was attacked by a record and unprecedented DDoS attack reaching the rate of 840 million packets per second. Targets over 1 Tbps have been observed more regularly starting from 2023, and becoming nearly a daily occurrence in 2024. The maximum attack on May 25, 2024, got to 2.5 Tbps, this points to a direction to even larger and more complex attacks of up to 5 Tbps. Many of these attacks target critical equipment such as Mikrotik models within the core network environment; detection and subsequent containment of these threats prove a test for cloud security measures.
Modus Operandi of a Packet Rate Attack:
A type of cyberattack where an attacker sends with a large volume of packets in a short period of time aimed at a network device is known as packet rate attack, or packet flood attack or network flood attack under volumetric DDoS attack. As opposed to the deliberately narrow bandwidth attacks, these raids target the computation time linked with package processing.
Key technical characteristics include:
- Packet Size: Usually compact, and in many cases is less than 100 bytes
- Protocol: Named UDP, although it can also involve TCP SYN or other protocol flood attacks
- Rate: Exceeding 100 million packets per second (Mpps), with recent attacks exceeding 840 Mpps
- Source IP Diversity: Usually originating from a small number of sources and with a large number of requests per IP, which testifies about the usage of amplification principles
- Attack on the Network Stack : To understand the impact, let's examine how these attacks affect different layers of the network stack:
1. Layer 3 (Network Layer):
- Each packet requires routing table lookups and hence routers and L3 switches have the problem of high CPU usage.
- These mechanisms can often be saturated so that network communication will be negatively impacted by the attacker.
2. Layer 4 (Transport Layer):
- Other stateful devices (e.g. firewalls, load balancers) have problems with tables of connections
- TCP SYN floods can also utilize all connection slots so that no incoming genuine connection can be made.
3. Layer 7 (Application Layer):
- Web servers and application firewalls may be triggered to deliver a better response in a large number of requests
- Session management systems can become saturated, and hence, the performance of future iterations will be a little lower than expected in terms of their perceived quality by the end-user.
Technical Analysis of Attack Vectors
Recent studies have identified several key vectors exploited in high-volume packet rate attacks:
1.MikroTik RouterOS Exploitation:
- Vulnerability: CVE-2023-4967
- Impact: Allows remote attackers to generate massive packet floods
- Technical detail: Exploits a flaw in the FastTrack implementation
2.DNS Amplification:
- Amplification factor: Up to 54x
- Technique: Exploits open DNS resolvers to generate large responses to small queries
- Challenge: Difficult to distinguish from legitimate DNS traffic
3.NTP Reflection:
- Command: monlist
- Amplification factor: Up to 556.9x
- Mitigation: Requires NTP server updates and network-level filtering
Mitigation Strategies: A Technical Perspective
1. Combating packet rate attacks requires a multi-layered approach:
- Hardware-based Mitigation:
- Implementation: FPGA-based packet processing
- Advantage: Can handle millions of packets per second with minimal latency
- Challenge: High cost and specialized programming requirements
2.Anycast Network Distribution:
- Technique: Distributing traffic across multiple global nodes
- Benefit: Dilutes attack traffic, preventing single-point failures
- Consideration: Requires careful BGP routing configuration
3.Stateless Packet Filtering:
- Method: Applying filtering rules without maintaining connection state
- Advantage: Lower computational overhead compared to stateful inspection
- Trade-off: Less granular control over traffic
4.Machine Learning-based Detection:
- Approach: Using ML models to identify attack patterns in real-time
- Key metrics: Packet size distribution, inter-arrival times, protocol anomalies
- Challenge: Requires continuous model training to adapt to new attack patterns
Performance Metrics and Benchmarking
When evaluating DDoS mitigation solutions for packet rate attacks, consider these key performance indicators:
- Flows per second (fps) or packet per second (pps) capability
- Dispersion and the latency that comes with it is inherent to mitigation systems.
- The false positive rate in the case of the attack detection
- Exposure time before beginning of mitigation from the moment of attack
Way Forward
The packet rate attacks are constantly evolving where the credible defenses have not stayed the same. The next step entails extension to edge computing and 5G networks for distributing mitigation closer to the attack origins. Further, AI-based proactive tools of analysis for prediction of such threats will help to strengthen the protection of critical infrastructure against them in advance.
In order to stay one step ahead in this, it is necessary to constantly conduct research, advance new technologies, and work together with other cybersecurity professionals. There is always a need to develop secure defenses that safeguard these networks.
Reference:
https://blog.ovhcloud.com/the-rise-of-packet-rate-attacks-when-core-routers-turn-evil/
https://cybersecuritynews.com/record-breaking-ddos-attack-840-mpps/
https://www.cloudflare.com/learning/ddos/famous-ddos-attacks/
Executive Summary:
CVE 2024-3094 is a backdoor vulnerability recently found in Kali Linux installations that happened between March 26th to 29th. This vulnerability was found in XZ package version 5.6.0 to 5.6.1. It could allow the malicious actor to compromise SSHD authentication, and grant unauthorized access to the entire system remotely. The users who have installed or updated Kali Linux during the said time are advised to update their system to safeguard against this vulnerability.
The Dangerous Backdoor
The use of the malicious implant found in XZ Utils as a remote code execution tool makes it more dangerous, because of its ability to compromise the affected systems. Initially, researchers believed the vulnerability enabled an authentication bypass for the OpenSSH server (SSHD) process. However, further analysis revealed it is better characterized as a remote code execution (RCE) vulnerability.
The backdoor intercepts the RSA_public_decrypt function, verifies the host's signature using a fixed Ed448 key, and if successful, executes malicious code passed by the attacker via the system() function. This leaves no trace in SSHD logs and makes it difficult to detect the vulnerability.
Impacted Linux Distributions
The compromised versions of XZ Utils have been found in the following Linux distributions released in March 2024:
- Kali Linux (between March 26 and March 29)
- openSUSE Tumbleweed and openSUSE MicroOS (March 7 to March 28)
- Fedora 41, Fedora Rawhide, and Fedora Linux 40 beta
- Debian (testing, unstable, and experimental distributions only)
- Arch Linux container images (February 29 to March 29)
- Meanwhile, distributions such as Red Hat Enterprise Linux (RHEL), SUSE Linux Enterprise, openSUSE Leap, and Debian Stable are not believed to be affected.
How Did This Happen?
The malicious code appears to have been inserted by taking advantage of a typical control transfer vulnerability. The original maintainer of the XZ Libs project on GitHub handed over control of the repository to an account that had been contributing to various data compression-related projects for several years. It was at this point that the backdoor was implanted in the project code.
Fortunately, the Potential Disaster Was Averted
As per Igor Kuznetsov, head of Kaspersky's Global Research and Analysis Team (GReAT), the vulnerability CVE-2024-3094 is considered as the largest scale attack that has happened in the Linux ecosystem history. Because it targeted the primary remote management tool for Linux servers on the internet which is SSH servers.
As this vulnerability was detected in the testing and rolling distributions in the short period of time, where the latest software packages are used. This results to the minimum damage to the linux users and so far no case of CVE-2024-3094 being actively exploited have been detected.
Staying Safe
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) advises that users who installed or updated the affected operating systems in March immediately roll back to XZ Utils 5.4.6 version and be on alert for any malicious activity. It is recommended to change the passwords in the case of a distribution where a weak version of XZ Utils has been installed.
The Yara rule has been released to detect any infected systems by CVE-2024-3094 Vulnerability.
Conclusion
The discovery of the XZ Utils backdoor provides a reminder to be vigilant in the open source software environment. This supply chain attack highlights the importance of strong security measures, elaborate code reviews, and regular distribution of security updates to provide shield against such vulnerabilities. Always staying informed and taking the necessary precautions, Linux users can mitigate the potential impact of this vulnerability to keep their systems safe.
References :
- https://thehackernews.com/2024/03/urgent-secret-backdoor-found-in-xz.html
- https://www.helpnetsecurity.com/2024/03/29/cve-2024-3094-linux-backdoor/
- https://www.kali.org/blog/about-the-xz-backdoor/
- https://www.kaspersky.com/blog/cve-2024-3094-vulnerability-backdoor/50873/
- https://www.rapid7.com/blog/post/2024/04/01/etr-backdoored-xz-utils-cve-2024-3094/
