PT-2020-3736 · Microsoft · Windows Ancillary Function Driver For Winsock+1

Published 2020-08-11 · Updated 2024-01-19 · CVE-2020-1587

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: Windows Ancillary Function Driver for WinSock (affected versions not specified)

Description: The issue is related to errors in memory object handling. Exploitation of this issue could allow an attacker to elevate their privileges using a specially crafted application. To exploit this, an attacker would first need to gain execution on the victim system. The estimated number of potentially affected devices worldwide is not available. There is no information about real-world incidents where this issue was exploited. The technical details about exploitation include the improper handling of memory by the Windows Ancillary Function Driver for WinSock.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Privilege Management

Weakness Enumeration

CWE-269

Related Identifiers

BDU:2020-04095

CVE-2020-1587

Affected Products

Windows

Windows Ancillary Function Driver For Winsock

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2020-1587 · Security Note
• https://bdu.fstec.ru/vul/2020-04095 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1587 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1587 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-1587 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-1587 · Vendor Advisory
• https://vuldb.com/?id.159528 · Note