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Proprietary Software and (In)Security

Submitted by Roy Schestowitz on Thursday 4th of March 2021 10:21:46 AM Filed under
Security
  • Big Tech firms see tax windfall after Supreme Court ruling on Microsoft

    The Supreme Court ruling said, “The amounts paid by resident Indian end-users/distributors to non-resident computer software manufacturers/suppliers, as consideration for the resale/use of the computer software through EULAs (end user license agreement)/distribution agreements, is not the payment of royalty for the use of copyright in the computer software, and that the same does not give rise to any income taxable in India.”

    This would mean companies need not deduct tax at source as per the Income Tax Act, the court ruled, before adding that this would cover the different models used by companies to operate in India.

  • Post-Cyberattack, Universal Health Services Faces $67M in Losses [iophk: Windows TCO]

    While UHS didn’t mention what kind of attack it suffered, reports pointed to the Ryuk ransomware as the culprit. However, there was no mention of ransomware – or losses incurred from a paid ransom – in the earnings report.

  • Ryuk Ransomware: Now with Worming Self-Propagation

    The variant first emerged in Windows-focused campaigns earlier in 2021, according to the French National Agency for the Security of Information Systems (ANSSI). The agency said that it achieves self-replication by scanning for network shares, and then copying a unique version of the ransomware executable (with the file name rep.exe or lan.exe) to each of them as they’re found.

    “Ryuk looks for network shares on the victim IT infrastructure. To do so, some private IP ranges are scanned: 10.0.0.0/8; 172.16.0.0/16; and 192.168.0.0/16,” according to a recent ANSSI report. “Once launched, it will thus spread itself on every reachable machine on which Windows Remote Procedure Call accesses are possible.”

  • Leveraging digital certificates to protect commercial 5G mobile networks

    Unlike most other communications networks, mobile systems provide no method to verify cryptographically the identity of the other end in the communication. As a result, every single consumer electronic device with a cellular modem communicates with any base station that advertises broadcast messages claiming to be a valid operator, regardless of whether that is true or not. To put this into perspective, cellular networks at layer 2 behave as if your laptop’s browser always accepted self-signed certificates by default, without prompting the user for input on whether to do so in the first place.

    This security challenge is inherent to mobile communications networks and impacts all wireless protocols and generations of cellular networks. Even newer 5G networks fail to prevent mobile devices from inadvertently camping on a malicious base station. This latest protocol provides no means to verify cryptographically the identity of base stations and networks to which a mobile device connects.

    This implies that IMSI catching is still possible in 5G, and indeed, it is. The message “Hey, I am your operator and I forgot your TMSI. Please send me your IMSI” still lacks authentication and integrity protection in 5G. The only difference from LTE is that the concept of IMSI is replaced by the SUPI in 5G, and in place of TMSI, one would be referring to the GUTI.

  • Red Hat Enterprise Linux 8.1 achieves Common Criteria Certification

    Red Hat announced further strengthening of Red Hat Enterprise Linux as a platform of choice for users requiring more secure computing, with Red Hat Enterprise Linux 8.1 achieving Common Criteria Certification.

    The first major security certification for Red Hat Enterprise Linux 8, this validation emphasizes Red Hat’s commitment to supporting customers that use the world’s leading enterprise Linux platform for critical workloads in classified and sensitive deployments.

    For Common Criteria, Red Hat Enterprise Linux 8.1 was certified by the National Information Assurance Partnership (NIAP), with testing and validation completed by Acumen Security, a U.S. government-accredited laboratory.

  • Unpatched Bug in WiFi Mouse App Opens PCs to Attack

    Wireless mouse-utility lacks proper authentication and opens Windows systems to attack.

    The mobile application called WiFi Mouse, which allows users to control mouse movements on a PC or Mac with a smartphone or tablet, has an unpatched bug allowing adversaries to hijack desktop computers, according to researcher Christopher Le Roux who found the flaw.

    Impacted is the Android app’s accompanying WiFi Mouse “server software” that is needed to be installed on a Windows system and allows the mobile app to control a desktop’s mouse movements. The flaw allows an adversary, sharing the same Wi-Fi network, to gain full access to the Windows PC via a communications port opened by the software.

    WiFi Mouse, published by Necta, is available on Google Play and via Apple’s App Store marketplace under the publisher name Shimeng Wang. The only version tested by Le Roux was the Windows 1.7.8.5 version of WiFi Mouse software running on Windows (Enterprise Build 17763) system.

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