PT-2020-3717 · Microsoft · Windows Walletservice+1

Jarvis_1Oop · Published 2020-08-11 · Updated 2024-01-19 · CVE-2020-1556

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 WalletService (affected versions not specified)

Description: The issue is related to the way the Windows WalletService handles objects in memory, allowing for an elevation of privilege. A locally authenticated attacker could exploit this by running a specially crafted application, potentially executing code with elevated permissions. The security update addresses the vulnerability by ensuring the Windows WalletService properly handles objects in memory.

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

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2020-04075

CVE-2020-1556

ZDI-20-996

ZDI-20-997

Affected Products

Windows

Windows Walletservice

References · 8

• https://osv.dev/vulnerability/CVE-2020-1556 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-20-997 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1556 · Security Note
• https://bdu.fstec.ru/vul/2020-04075 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-1556 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-1556 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-20-996 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1556 · Vendor Advisory