CVE-2023-42125
Assigner: zdi
Published: 2024-05-03T02:13:31.242Z
State: PUBLISHED
title: Avast Premium Security Sandbox Protection Link Following Privilege Escalation Vulnerability
descriptions: value: Avast Premium Security Sandbox Protection Link Following Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Premium Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the implementation of the sandbox feature. By creating a symbolic link, an attacker can abuse the service to create arbitrary namespace objects. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. Was ZDI-CAN-20383.
affected: vendor: Avast
product: Premium Security
versions: version: R.47.0.0 AutoCAD 2021 & R.47.0.0 AutoCAD LT 2021
status: affected
defaultStatus: unknown
problemTypes: descriptions: cweId: CWE-706
description: CWE-706: Use of Incorrectly-Resolved Name or Reference
type: CWE
dateAssigned: 2023-09-06T16:25:45.534-05:00
datePublic: 2023-09-27T17:21:28.201-05:00
source: value: Abdelhamid Naceri
metrics: format: CVSS
cvssV3_0: version: 3.0
vectorString: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
baseScore: 7.8
baseSeverity: HIGH