VULNERABILITY INTELLIGENCE
CVE-2023-42125
CVSS score7.8 HIGH
EPSS probability0.41%
CISA KEVNot currently listed
Published2024-05-03
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
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.
Weakness classification
- zdi-disclosures@trendmicro.com: CWE-706
- nvd@nist.gov: CWE-59
Primary references
- zdi-disclosures@trendmicro.com — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory