Criminals Can Compromise Company Networks by Sending Malicious Faxes
Check Point has revealed details about the two critical remote code execution vulnerabilities (CVE-2018-5924, CVE-2018-5925) it discovered in the communication protocols used in tens of millions of fax devices globally.
A fax number is all an attacker needs to exploit the flaws, and potentially seize control of a company or home network.
The Check Point research demonstrated the vulnerabilities in the popular HP Officejet Pro All-in-One fax printers.
The same protocols are also used by many other vendors’ faxes and multifunction printers, and in online fax services such as fax2email, so it is likely that these are also vulnerable to attack by the same method.
Usually seen as outdated technology, there are over 45 million fax machines in use in businesses globally, with 17 billion faxes sent every year.
It is still widely used in several Industry sectors such as healthcare, legal, banking and real estate, where organizations store and process vast amounts of highly sensitive personal data. The UK’s National Health Service alone has over 9,000 fax machines in regular use for sending patient data. In many countries, emails are not considered as evidence in courts of law, so fax is used when handling certain business and legal processes. Nearly half of all laser printers sold in Europe are multifunction devices with fax capability.
Once an attacker obtains an organization’s fax number (which is easily obtainable from corporate websites), the attacker sends a specially created image file by fax to the target. The vulnerabilities enable malware (such as ransomware, crypto-miners or spyware) to be coded into the image file, which the fax machine decodes and uploads to its memory. The malware can then potentially breach sensitive data or cause disruption by spreading across any networks to which the fax machine is connected.
To minimize the security risk, Check Point advises that organizations check for available firmware updates for their fax devices and apply them.
“We worked closely with HP to fix the vulnerability and, following the process of responsible disclosure, they managed to release a patch before this publication. In fact, if your device is already configured to auto-update then the patch has likely already been applied. This patch, however, only applies to HP all-in-one printers and the vulnerability may well still apply to devices from other manufacturers as well,” the researchers noted.
Businesses are also urged to place fax devices on a secure network segment separated from applications and servers that carry sensitive information.
“Once unauthorized access is gained, network segmentation can provide effective measures to mitigate the next stage of intrusion into a network and limit the spread of the attack by lateral movement across it,” they explained.
The good news is that there’s no indication that the vulnerabilities are being exploited in the wild.
“Many companies may not even be aware they have a fax machine connected to their network, but fax capability is built into many multifunction office and home printers,” said Yaniv Balmas, Group Manager, Security Research at Check Point. “This groundbreaking research shows how these overlooked devices can be targeted by criminals and used to take over networks to breach data or disrupt operations.
- IAM Consultant- One Identity Manager- UK Wide
- Upto £75,000 plus excellent benefits
One Identity IAM consultant is needed for this expanding UK based business, you will be responsible for: Developing and Supporting the Identity and Access management system based-on One Identity products Active Roles Server and Identity Manager. Further develop One Identity Manager’s integration with Service Now to provide automated JML processes and application access requests and fulfilment. Work across the business ensuring that the IAM solutions integrates into both the technology and business systems and processes, ideally automating as mush as possible. Work with the Governance Risk & Compliance (GRC) team to provide application access attestations and toxic combination alerting and reporting. Work on a mixture of IAM related projects to help to integrate new ideas and technology into the business to ensure the business stays fully compliant Assist in ensuring that all IAM capabilities are mapped to internal processes, policies, and standards. Develop metrics to measure and improve and also compile reports around the solution If you are interested in this opportunity we are looking for someone who is skilled within Identity Acess management, you will need to have worked with the One Identity product, ideally both Active Roles Server and Identity Manager Experience in managing and integrating with Microsoft systems (on-premise and cloud), such as Active Directory, Exchange, Office, SharePoint, etc.
- SailPoint Integration Consultant
- Upto £75000 plus benefits
SailPoint Integration Consultant. SailPoint Integration Consultant is needed for this expanding service business to help them with complex deployment with their FTSE focused customer base. They are looking for experienced SailPoint Integration Consultants who have: • Strong solution designing experience with in depth understanding of IAM concepts and thorough understanding of Sailpoint domain. • Thorough understanding of Identity and Access Governance concepts • Leading and creating Identity & Access Management (IAM) technical architecture • Secure by Design principles in Identify Access management, Privilege Access management • Familiar with cloud architectures, data management and source control from a security perspective. This is a great opportunity to join a business that is growing and looking for individuals who want to grow and develop and work on some of the most complex Sailpoint deployments.
- CyberArk Integration Consultant
- Greater London
- upto 75,000 plus benefits
CyberArk Integration Consultant. CyberArk Integration Consultant is needed for this expanding service business to help them with complex deployment with their FTSE focused customer base. They are looking for experienced CyberArk Integration Consultants who have: • Strong solution designing experience with in depth understanding of IAM concepts and thorough understanding of CyberArk domain. • Thorough understanding of Identity and Access Governance concepts • Leading and creating Identity & Access Management (IAM) technical architecture • Secure by Design principles in Identify Access management, Privilege Access management • Familiar with cloud architectures, data management and source control from a security perspective. This is a great opportunity to join a business that is growing and looking for individuals who want to grow and develop and work on some of the most complex CyberArk deployments.
- Penetration Tester, UK based. Ability to achieve SC clearance
- United Kingdom
Experienced Penetration tester- UK based with the ability to achieve SC clearance. On-going training and development and paid certifications / renewals. Interested to hear from all areas of penetration testing, web app, infrastructure, mobile, etc. MUST have current hands on experience delivering penetration testing. Ideally from a consultancy background with experience working with multiple clients. OSCP / CREST / CHECK / Tigerscheme penetration testing experience / certifications desirable. Apply today for more details. All information kept in the strictest of confidence.