Healthcare Technology Vendor News

Vulnerabilities Identified in IDenticard PremiSys Access Control System

ICS-CERT has issued an alert about three high severity vulnerabilities in the IDenticard PremiSys access control system. All versions of PremiSys software prior to version 4.1 are affected by the vulnerabilities.

Successful exploitation of the vulnerabilities could result in full access being gained to the system with administrative privileges, theft of sensitive information contained in backups, and access being gained to credentials. The vulnerabilities could be exploited remotely and require a low level of skill to exploit. Details of the vulnerabilities have been publicly disclosed.

The highest severity vulnerability CVE-2019-3906 concerns hard-coded credentials which allow full admin access to the PremiSys WCF Service endpoint. If successfully exploited, and attacker could obtain full access to the system with administrative privileges. The vulnerability has been assigned a CVS v3 base score of 8.8.

User credentials and other sensitive information stored in the system are encrypted; however, a weak method of encryption has been used which could potentially be cracked resulting in the exposure and theft of information. The vulnerability (CVE-2019-3907) has been assigned a CVS v3 base score of 7.5.

Backup files are stored by the system as encrypted zip files; however, the password required to unlock the backups is hard-coded and cannot be changed. Potentially an attacker could gain access to the backup files and view/steal information. The vulnerability (CVE-2019-3908) has been assigned a CVS v3 base score of 7.5.

Tenable’s Jimi Sebree discovered and reported the vulnerabilities.

IDenticard has corrected the hard-coded credentials vulnerability (CVE-2019-3906). Users should update to version 4.1 of the software to correct the flaw. IDenticard is currently working on a fix for the other two flaws. A software update correcting those flaws is expected to be released in February 2019.

As an interim mitigation, NCCIC recommends restricting and monitoring access to Port 9003/TCP, locating the system behind a firewall, and ensuring the access control system is not accessible over the Internet. If remote access is necessary, secure methods should be used for access, such as an up to date VPN.

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Patches Released to Mitigate Stryker Medical Bed KRACK Vulnerabilities

Nine vulnerabilities have been identified in Stryker Medical Beds. The vulnerabilities could be exploited in a man-in-the-middle attack by an attacker within radio range of vulnerable product to replay, decrypt, or spoof frames.

The vulnerabilities are present in the four-way handshake used by WPA and WPA2 wireless security protocols which allow nonce reuse in Key Reinstallation (KRACK) attacks. Similar vulnerabilities have been identified in a wide range of wireless devices.

The nine vulnerabilities are summarized below:

  • CVE-2017-13077: Reinstallation of pairwise key in the four-way handshake.
  • CVE-2017-13078: Reinstallation of group key in the four-way handshake.
  • CVE-2017-13079: Reinstallation of Integrity Group Temporal Key in the four-way handshake.
  • CVE-2017-13080: Reinstallation of group key in the group key handshake.
  • CVE-2017-13081: Reinstallation of Integrity Group Temporal Key in the group key handshake.
  • CVE-2017-13082: Reinstallation of Pairwise Transient Key Temporal Key in the fast BSS transmission handshake.
  • CVE-2017-13086: Reinstallation of Tunneled Direct-Link Setup Peer Key in the Tunneled Direct-Link Setup handshake.
  • CVE-2017-13087: Reinstallation of the Group Temporal Key when processing a Wireless Network Management Sleep Mode Response frame.
  • CVE-2017-13088: Reinstallation of the Integrity Group Temporal Key when processing a Wireless Network Management Sleep Mode Response frame.

The group of vulnerabilities have collectively been assigned a CVSS v3 base score of 6.8 – Medium severity. The flaws were identified by Mathy Vanhoef of imec-DistriNet, KU Leuven and reported to the National Cybersecurity & Communications Integration Center (NCCIC).

Mitigations

Software updates have been released by Stryker to mitigate the vulnerabilities:

  • Users of Gateway 2.0 should upgrade to software version 5212-400-905_3.5.002.01
  • Users of Gateway 3.0 should upgrade to software version 5212-500-905_4.3.001.01

No patch is available for Gateway 1.0.

Additional measures can also be taken to reduce the risk of exploitation of the vulnerabilities. These include disabling iBed functionality if it is not being used, operating the products on a separate VLAN, and applying updates that include the KRACK patch to wireless access points.

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Vulnerability Identified in BD FACSLyric Flow Cytometry Solution

Becton, Dickinson and Company (BD) has identified an improper access control vulnerability in its BD FACSLyric flow cytometry solution. If the flaw is exploited, an attacker could gain access to administrative level privileges on a vulnerable workstation and execute commands. The vulnerability requires a low level of skill to exploit.

BD extensively tests its software for potential vulnerabilities and promptly corrects flaws. BD is currently taking steps to mitigate the vulnerability for all users of vulnerable FACSLyric flow cytometry solutions.

The flaw (CVE-2019-6517) is due to improper enforcement of user access control for privileged accounts. It has been given a CVSS v3 base score of 6.8 – Medium severity. BD self-reported the vulnerability to the National Cybersecurity & Communications Integration Center (NCCIC).

The vulnerability is present in the following cytometry solutions:

  • BD FACSLyric Research Use Only, Windows 10 Professional Operating System, U.S. and Malaysian Releases (Nov 2017 and Nov 2018)
  • The U.S. release of BD FACSLyric IVD Windows 10 Professional Operating System.

FACSLyric flow cytometry systems on Windows 7 are unaffected.

BD is contacting all affected users and will perform remediation activities to correct the flaw. These include disabling the admin account for users with BD FACSLyric RUO Cell Analyzer units on Windows 10 Pro. Computer workstations with BD FACSLyric IVD Cell Analyzer units on Windows 10 Pro will be replaced.

Users of the vulnerable solutions that have not yet been contacted by BD can contact BD Biosciences General Tech Support for further information.

To minimize the risk of exploitation of vulnerabilities such as this, NCCIC recommends locating medical devices and systems behind firewalls, minimizing network exposure for medical devices and systems, restricting access to authorized individuals, applying the rule of least privilege, adopting defense in depth strategies, and disabling unnecessary accounts and services.

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New Report Reveals Spiraling Cost of Cyberattacks

A new report from Radware has provided insights into the threat landscape in 2018 and the spiraling cost of cyberattacks. The report shows there was a 52% increase in the cost of cyberattacks on businesses in since 2017.

For the report, Radware surveyed 790 managers, network engineers, security engineers, CIOs, CISOs, and other professionals in organizations around the globe. Respondents to the survey were asked about the issues they have faced preparing for and mitigating cyberattacks and the estimated cost of those attacks.

The 2018 Threat Landscape

93% of surveyed firms said they had experienced a cyberattack in the past 12 months. The biggest threat globally was ransomware and other extortion-based attacks, which accounted for 51% of all attacks. In 2017, 60% of cyberattacks involved ransoms. The reduction has been attributed to cybercriminals switching from ransomware to cryptocurrency mining malware.

Political attacks and hacktivism accounted for 31% of attacks, down from 34% in 2017. The motive behind 31% of attacks was unknown, which demonstrates that attackers are now more purposeful about hiding their motives. 27% of attacks were insider threats, 26% were attacks by competitors, 19% were attributed to cyberwar, and 18% were conducted by angry users. The primary aim of the attacks was service disruption (45%), data theft (35%), and espionage (3%). 16% of attacks had another aim or the purpose had not been established.

One in five businesses reported being attacked daily: A 62% increase year over year. 13% reported weekly attacks, 13% monthly attacks, and 27% experienced one or two attacks in the past year. 19% were unsure how many times they had been attacked.

Healthcare was the second most attacked industry behind the government sector. 39% of healthcare organizations reported having to fend off daily or weekly cyberattacks by hackers. Only 6% of healthcare organizations claimed they had not been attacked in the past year.

The biggest threats were malware and bots (reported by 76% of organizations), social engineering attacks such as phishing (65%), DDoS attacks (53%), web application attacks (42%), ransom threats (38%), and cryptocurrency miners (20%).

Respondents from healthcare organizations felt they were best prepared for phishing and other social engineering attacks (58%), malware, bots and DDoS attacks (55%), and web application attacks (52%). Only 39% felt they were well prepared to deal with ransomware attacks and advanced persistent threats.

The Rising Cost of Cyberattacks

The Radware study asked respondents about the business cost of a successful cyberattack. According to the report, the cost more than doubled compared to last year and is now $1.1 million. Respondents that had a formalized calculation to determine the financial impact of a cyberattack reported the cost to be $1.7 million, compared to $880,000 for those with no formal calculation.

For SMBs with fewer than 1,000 employees, the average cost of a cyberattack was estimated to be $450,000. That rose to $1.1 million for enterprises with between 1,000 and 10,000 employees, and $2.1 million for large corporations with more than 10,000 employees.

The average cost of a successful cyberattack on a healthcare organization was determined to be $1.43 million. Fortunately, most healthcare organizations (82%) had a breach response plan in place, which can limit the cost of a cyberattack.

The True Cost of a Cyberattack

The cost of a cyberattack is likely to be significantly higher than the estimates. Radware notes that the estimates do not factor in direct costs such as extended labor, investigations, and the development of software patches, indirect costs such as the hiring of technical consultants, legal expenses, and stock price drops, and costs associated with the prevention of future cyberattacks.

Other costs that are difficult to calculate are lost revenue, brand reputation damage, and loss of customers – All real possibilities after a data breach. Radware notes that following a successful cyberattack, 43% of respondents said there had been a negative customer experience, 37% suffered brand reputation damage, and 23% reported a loss of customers.

“The cost of cyberattacks is simply too great to not succeed in mitigating every threat, every time,” explained Radware. “Customer trust is obliterated in moments, and the impact is significant on brand reputation and costs to win back business.”

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Vulnerabilities Identified in Dräger Infinity Delta Patient Monitors

The U.S. Department of Homeland Security Industrial Control Systems Cyber Emergency Team (US-CERT) has issued an advisory about three vulnerabilities affecting Dräger Infinity Delta patient monitoring devices.

The flaws affect all versions of Infinity Delta, Delta XL, Kappa, and infinity Explorer C700 patient monitoring devices. The flaws could lead to the disclosure of sensitive information stored in device logs, be leveraged to conduct Denial of Service (DoS) attacks, or could potentially allow an attacker to gain full control of the operating system of a vulnerable device. The flaws were discovered by Marc Ruef and Rocco Gagliardi of scip AG.

The vulnerabilities are detailed below, in order of severity:

CVE-2018-19014 (CWE-532) – Exposure of Information in Log Files

Log files are not appropriately secured and are accessible over an unauthenticated network. An attacker could gain access to device log files and view sensitive information relating to the internals of the monitor, location of the device, and its wired network configuration. The flaw has been assigned a CVSS v3 base score of 4.3.

CVE-2018-19010 (CWE-20) – Improper Input Validation

An error in the way input is validated could be exploited to cause the device to constantly reboot. An attacker could repeatedly send a malformed network packet causing a vulnerable device to repeatedly reboot until it reverts to its default configuration and network connectivity is lost. The vulnerability has been assigned a CVSS v3 base score of 6.5.

CVE-2018-19012 (CWE-269) – Privilege Escalation Through Improper Privilege Management

An attacker could break out of kiosk mode via a specific dialog and gain access to the underlying operating system and take full control of the operating system. The vulnerability has been assigned a CVSS v3 base score of 8.4.

All three vulnerabilities were addressed by Dräger in December 2018. Users should update the devices to Delta/Infinity Explorer VF10.1 which can be accessed on Dräger ServiceConnect.

Users have also been advised to review their network segmentation configuration and ensure that the devices are logically or physically separated from the hospital LAN and also check the Windows patch level of their Infinity Explorer.

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Vulnerabilities Identified in Roche Point of Care Handheld Medical Devices

ICS-CERT has issued an advisory concerning five vulnerabilities that have been identified in Roche Point of Care handheld medical devices. Four vulnerabilities are high risk and one has been rated medium risk.

Successful exploitation of the vulnerabilities could allow an unauthorized individual to gain access to the vulnerable devices, modify system settings to alter device functionality, and execute arbitrary code.

The vulnerabilities affect the following Roche Point of Care handheld medical devices.

  • Accu-Chek Inform II (except Accu-Chek Inform II Base Unit Light and Accu-Chek Inform II Base Unit NEW with Software 04.00.00 or later)
  • CoaguChek Pro II
  • CoaguChek XS Plus & XS Pro
  • Cobas h 232 POC
  • Including the related base units (BU), base unit hubs and handheld base units (HBU).

CVE-2018-18564 is an improper access control vulnerability. An attacker in the adjacent network could execute arbitrary code on the system using a specially crafted message. The vulnerability is rated high severity and has been assigned a CVSS v3 base score of 8.3.

The vulnerability is present in:

  • Accu-Chek Inform II Instrument (Versions prior to 03.06.00 (SN < 14000) and 04.03.00 (SN > 14000))
  • CoaguChek Pro II (Versions prior to 04.03.00)
  • cobas h 232 (Versions prior to 04.00.04 (SN > KQ0400000 or KS0400000))

CVE-2018-18565 is an improper access control vulnerability that would allow an individual that has access to an adjacent network to change the configuration of instrumentation. The vulnerability is rated high severity and has been assigned a CVSS v3 base score of 8.2.

The vulnerability is present in:

  • Accu-Chek Inform II Instrument (Versions prior to 03.06.00 (SN < 14000) and 03.00 (SN >14000))
  • CoaguChek Pro II (Versions prior to 04.03.00)
  • CoaguChek XS Plus (Versions prior to 03.01.06)
  • CoaguChek XS Pro (Versions prior to 03.01.06)
  • Cobas h 232 (Versions prior to 03.01.03 (SN < KQ0400000 or KS0400000))
  • Cobas h 232 (Versions prior to 03.01.03 (SN > KQ0400000 or KS0400000))

CVE-2018-18562 concerns insecure permissions in a service interface that could allow unauthorized users in an adjacent network to execute arbitrary commands on operating systems. The vulnerability is rated high severity and has been assigned a CVSS v3 base score of 8.0.

The vulnerability is present in:

  • Accu-Chek Inform II Base Unit / Base Unit Hub 9 (Versions prior to 03.01.04)
  • CoaguChek / cobas h232 Handheld Base Unit (Versions prior to 03.01.04)

CVE-2018-18563 affects the software update mechanism which could be exploited by an attacker in an adjacent network to overwrite arbitrary files on the system using a specially crafted update package. The vulnerability is rated high severity and has been assigned a CVSS v3 base score of 8.0

The vulnerability is present in:

  • CoaguChek Pro II (Versions prior to 04.03.00)
  • CoaguChek XS Plus (Versions prior to 03.01.06)
  • CoaguChek XS Pro (Versions prior to 03.01.06)
  • Cobas h 232 (Versions prior to 03.01.03 (SN < KQ0400000 or KS0400000))
  • Cobas h 232 (Versions prior to 03.01.03 (SN > KQ0400000 or KS0400000))

CVE-2018-18561 is an improper authentication vulnerability involving the use of weak access credentials. An individual that has access to an adjacent network could gain service access to a vulnerable device through a service interface. The vulnerability is rated medium severity and has been assigned a CVSS v3 base score of 6.5.

The vulnerability is present in:

  • Accu-Chek Inform II Base Unit / Base Unit Hub
  • CoaguChek / Cobas h232 Handheld Base Unit running 03.01.04 and earlier versions

All five vulnerabilities were identified by Niv Yehezkel of Medicate, who disclosed the vulnerabilities to Roche.

Mitigation procedures have been recommended by Roche to reduce the risk of the vulnerabilities being exploited. Software updates to address the vulnerabilities have been scheduled for release in November 2018.

Roche recommends:

  • Restricting network and physical access to the devices and their attached infrastructure through the activation of device security features
  • Protecting vulnerable devices from unauthorized access, theft, and malicious software
  • Monitoring network infrastructure and system activity for suspicious activity.

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Webinar: TitanHQ and Datto Networking Discuss Enhanced Web Content Filtering

Earlier this year, spam and web filtering solution provider TitanHQ partnered with Datto Networking, the leading provider of MSP-delivered IT solutions to SMBs.

The new partnership has allowed Datto to enhance security on the Datto Networking Appliance with enterprise-grade web filtering technology supplied by TitanHQ.

The new web filtering functionality allows users of the appliance to carefully control the web content that can be accessed by employees and guests and provides superior protection against the full range of web-based threats.

TitanHQ and Datto Networking will be holding a webinar that will include an overview of the solution along with a deep dive into the new web filtering functionality.

Webinar Details:

Datto Networking & Titan HQ Deliver Enhanced Web Content Filtering

Date: Thursday, October 18th

Time: 11AM ET | 8AM PT | 4PM GMT/BST

Speakers:

John Tippett, VP, Datto Networking

Andy Katz, Network Solutions Engineer

Rocco Donnino, EVP of Strategic Alliances, TitanHQ

Click here to register for the webinar

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FDA Issues Warning About Flaws in Medtronic Implantable Cardiac Device Programmers

The U.S. Food and Drug Administration (FDA) has issued a warning about vulnerabilities in certain Medtronic implantable cardiac device programmers which could potentially be exploited by hackers to change the functionality of the programmer during implantation or follow up visits. Approximately 34,000 vulnerable programmers are currently in use.

The programmers are used by physicians to obtain performance data, to check the status of the battery, and to reprogram the settings on Medtronic cardiac implantable electrophysiology devices (CIEDs) such as pacemakers, implantable defibrillators, cardiac resynchronization devices, and insertable cardiac monitors.

The flaws are present in Medtronic CareLink 2090 and CareLink Encore 29901 programmers, specifically how the devices connect with the Medtronic Software Distribution Network (SDN) over the internet. The connection is required to download software updates for the programmer and firmware updates for Medtronic CIEDs.

While a virtual private network (VPN) is used to establish a connection between the programmers and the Medtronic SDN, there is no check performed to establish whether the programmer is still connected to the VPN before software updates are downloaded. This would give hackers the opportunity to install their own updates and alter the functionality of the devices.

The flaws in the programmers were identified by security researchers Billy Rios and Jonathan Butts last year. Medtronic was notified about the flaws but has been slow to take action. An advisory was eventually issued in February 2018, but it has taken until now for action to be taken to correct the vulnerability.

Medtronic is now preventing the programmers from connecting to the SDA to receive software updates. Instead, future updates must be performed by Medtronic through a USB connection. Any attempt to update the device via the SDN will now trigger an “Unable to connect to local network” or “Unable to connect to Medtronic” error message.

The FDA reviewed the cybersecurity vulnerabilities and has confirmed that the flaws could be exploited to cause patients to come to harm. On October 5, 2018, the FDA approved the Medtronic network update that blocks the programmer from accessing the Medtronic SDN.

The FDA recommends that the programmers continue to be used for programming, testing and evaluation of CIED patients. The internet connection is not a requirement for normal operation.

Both the FDA and Medtronic have confirmed that no reports have been received to suggest that the vulnerabilities have been exploited and no patients are known to have come to harm.

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Most Common Healthcare Phishing Emails Identified

A new report by Cofense has revealed the most common healthcare phishing emails and which messages are most likely to attract a click.

The 2018 Cofense State of Phishing Defense Report provides insights into susceptibility, resiliency, and responses to phishing attacks, highlights how serious the threat from phishing has become, and how leading companies are managing risk.

The high cost of phishing has been highlighted this week with the announcement of a settlement between the HHS’ Office for Civil Rights and Anthem Inc. The $16 million settlement resolved violations of HIPAA Rules that led to Anthem’s 78.8 million record data breach of 2015. That cyberattack started with spear phishing emails. In addition to the considerable cost of breach remediation, Anthem also settled a class action lawsuit related to the breach for $115 million. Even an average sized breach now costs $3.86 million to resolve (Ponemon/IBM Security, 2018).

Previous Cofense research suggests that 91% of all data breaches start with a phishing email and research by Verizon suggests 92% of malware infections occur as a result of malicious emails. Cofense cites figures from Symantec’s 2018 Internet Security Threat Report which suggests that on average, 16 malicious email messages are delivered to every email user’s inbox every month.

Cofense is the leading global provider of human-driven phishing defense solutions, which are used by half of Fortune 500 companies to improve resiliency to phishing attacks. For its latest report, Cofense analyzed the responses to more than 135 million phishing simulations sent through its platform and approximately 50,000 real phishing threats reported by its customers.

Cofense notes that out of the potentially malicious emails reported by end users, one in ten were confirmed as malicious. Half of those messages were phishing emails designed to get end users to disclose credentials.

Across all 23 industry sectors that were represented in the study, 21% of reported crimeware emails contained malicious attachments. By far the most common theme for phishing emails were fake invoices, which accounted for six of the ten most effective phishing campaigns of 2018 to date.

While fake invoices are often used in phishing attacks on healthcare organizations, they are only the third most common type of phishing email (16.5%). In all other industry sectors, fake invoices were the most common phishing threat. The second most common healthcare phishing emails were alerts of new messages in a mailbox (25.5%). The most common healthcare phishing emails were fake payment notifications (58%).

Cofense data shows that the most effective methods for reducing risk from phishing are training and phishing simulations. Technical email security solutions are essential, but they do not block all malicious messages. Only through training and simulations can end users be conditioned to recognize and respond appropriately to malicious messages. The industries with the highest resiliency to phishing attacks are those that train more often.

Cofense suggests that to get the most out of phishing simulation exercises they should focus on active threats. Training is recommended at least every quarter to condition employees to look for and report phishing emails. Companies that encourage reporting of potential phishing threats rather than scolding employees for failing phishing tests tend to have greater success.

The full list of recommendations for security awareness training and phishing simulations can be found in the Cofense State of Phishing Defense Report, which is available on this link.

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