Main Vulnerability Database Vulnerabilities #VU45619

Buffer overflow in Microsoft Windows and Windows Server - CVE-2020-1587

Published: August 12, 2020

Vulnerability identifier: #VU45619

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-1587

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error when the Windows Ancillary Function Driver for WinSock improperly handles memory. A local user can use a specially crafted application to trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2020-1587

Install update from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1587

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