Описание
SPNEGO Extended Negotiation (NEGOEX) Security Mechanism Remote Code Execution Vulnerability
Heap-based buffer overflow in Windows SPNEGO Extended Negotiation allows an unauthorized attacker to execute code over a network.
Меры по смягчению последствий
The following mitigating factors might be helpful in your situation:
This vulnerability affects Windows client machines running Windows 10, version 1607 and above, due to the following GPO being enabled by default on these operating systems: "Network security: Allow PKU2U authentication requests to this computer to use online identities".
FAQ
How could an attacker exploit the vulnerability?
An attacker could exploit this vulnerability by sending a malicious message to the server, potentially leading to remote code execution.
What is SPNEGO Extended Negotiation?
The SPNEGO Extended Negotiation Security Mechanism (NEGOEX) extends Simple and Protected GSS-API Negotiation Mechanism (SPNEGO) described in [RFC4178]. Please see SPNEGO Overview for more information.
Обновления
| Продукт | Статья | Обновление |
|---|---|---|
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | ||
| Windows Server 2008 R2 for x64-based Systems Service Pack 1 | ||
| Windows Server 2012 | ||
| Windows Server 2012 (Server Core installation) | ||
| Windows Server 2012 R2 | ||
| Windows Server 2012 R2 (Server Core installation) | ||
| Windows 10 for 32-bit Systems | ||
| Windows 10 for x64-based Systems | ||
| Windows Server 2016 | ||
| Windows 10 Version 1607 for 32-bit Systems |
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Возможность эксплуатации
Publicly Disclosed
Exploited
Latest Software Release
DOS
EPSS
9.8 Critical
CVSS3
Связанные уязвимости
Heap-based buffer overflow in Windows SPNEGO Extended Negotiation allows an unauthorized attacker to execute code over a network.
Heap-based buffer overflow in Windows SPNEGO Extended Negotiation allows an unauthorized attacker to execute code over a network.
Уязвимость механизма безопасности расширенного согласования SPNEGO (NEGOEX) операционных систем Windows, позволяющая нарушителю выполнить произвольный код
EPSS
9.8 Critical
CVSS3