Microsoft Releases Patches For Critical Windows TCP/IP and Other Bugs

  • Microsoft on Tuesday issued fixes for 87 freshly found out security vulnerabilities as aspect of its Oct 2020 Patch Tuesday, like two critical distant code execution (RCE) flaws in Windows TCP/IP stack and Microsoft Outlook.

    The flaws, 11 of which are categorized as Critical, 75 are ranked Vital, and one is labeled Average in severity, affect Windows, Workplace and Workplace Products and services and Web Applications, Visible Studio, Azure Functions, .Net Framework, Microsoft Dynamics, Open Supply Program, Exchange Server, and the Windows Codecs Library.

    Although none of these flaws are listed as currently being below active attack, 6 vulnerabilities are shown as publicly identified at the time of launch.

    Chief amid the most critical bugs patched this month involve CVE-2020-16898 (CVSS rating 9.8). According to Microsoft, an attacker would have to send out specially crafted ICMPv6 Router Ad packets to a distant Windows laptop or computer to exploit the RCE flaw in the TCP/IP stack to execute arbitrary code on the target customer or server.

    In accordance to McAfee security specialists, ‘this variety of bug could be produced wormable,’ allowing hackers to launch an attack that can spread from just one susceptible computer system to an additional without the need of any human conversation.

    A 2nd vulnerability to keep keep track of of CVE-2020-16947, which considerations an RCE flaw on affected versions of Outlook that could allow code execution just by viewing a specifically crafted email.

    “If the current consumer is logged on with administrative consumer legal rights, an attacker could get command of the affected procedure,” Microsoft mentioned in its advisory. “An attacker could then put in packages view, modify, or delete details or develop new accounts with total person rights.”

    An additional critical RCE vulnerability in Windows Hyper-V (CVE-2020-16891, CVSS score 8.8) exists due to improper validation of enter from an authenticated person on a guest functioning method.

    As a end result, an adversary could exploit this flaw to operate a specially crafted plan on a visitor functioning procedure that could cause the Hyper-V host running program to execute arbitrary code.

    Two other critical RCE flaws (CVE-2020-16967 and CVE-2020-16968) impact Windows Digicam Codec Pack, permitting an attacker to ship a destructive file that, when opened, exploits the flaw to run arbitrary code in the context of the existing person.

    Ultimately, the patch also addresses a privilege escalation flaw (CVE-2020-16909) related with Windows Mistake Reporting (WER) element that could make it possible for an authenticated attacker to execute destructive purposes with escalated privileges and get accessibility to sensitive information and facts.

    Other critical flaws preset by Microsoft this month consist of RCE flaws in SharePoint, Media Foundation Library, Base3D rendering engine, Graphics Elements, and the Windows Graphics System Interface (GDI).

    It really is extremely suggested that Windows consumers and process administrators utilize the newest security patches to mitigate the threats associated with these issues.

    For putting in the most current security updates, Windows end users can head to Begin > Options > Update & Security > Windows Update, or by choosing Check out for Windows updates.

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