PT-2023-1131 · Microsoft · Windows Installer+1

Published 2023-01-10 · Updated 2024-05-29 · CVE-2023-21542

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows Installer (affected versions not specified)

Description The issue is related to errors in synchronization when using a shared resource in the Windows Installer component of Windows operating systems. This can allow an attacker to elevate their privileges. The vulnerability may be exploited to affect the system, potentially leading to a local privilege escalation.

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

LPE

Link Following

Race Condition

Improper Privilege Management

Weakness Enumeration

CWE-59

CWE-362

CWE-269

Related Identifiers

BDU:2023-00331

CVE-2023-21542

ZDI-23-001

Affected Products

Windows

Windows Installer

References · 11

• https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2023-21542 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-21542 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-21542 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-00331 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-23-001 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21542 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21542 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21542 · Security Note
• https://t.me/cvenotify/41759 · Telegram Post
• https://t.me/cvenotify/81297 · Telegram Post
• https://t.me/cvenotify/42069 · Telegram Post