Cloud Vulnerability DB
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Vulnerability DatabaseCVE-2020-0263
CVE-2020-0263:
NixOS vulnerability analysis and mitigation
Overview
Microsoft Win32k contains a privilege escalation vulnerability due to the Windows kernel-mode driver failing to properly handle objects in memory. This vulnerability is tracked as CVE-2017-0263 and is related to CWE-416 (Use After Free). The vulnerability was added to CISA's Known Exploited Vulnerabilities (KEV) catalog on February 10, 2022 (CISA KEV).
Technical details
The vulnerability exists in the Windows kernel-mode driver (Win32k) and is characterized by improper handling of objects in memory. This type of vulnerability is classified under CWE-416, which relates to Use After Free issues. The vulnerability allows for privilege escalation, enabling attackers to potentially gain elevated system privileges (CISA KEV).
Impact
When successfully exploited, this vulnerability allows attackers to escalate privileges on affected systems. An attacker who successfully exploits this vulnerability could run arbitrary code in kernel mode, potentially gaining full control over the affected system (CISA KEV).
Mitigation and workarounds
CISA recommends applying vendor updates per Microsoft's instructions to address this vulnerability. The due date for remediation was set to August 10, 2022, as specified in the KEV catalog (CISA KEV).
Additional resources
Source: This report was generated using AI
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