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THREATINT
PUBLISHED

CVE-2023-42125

Avast Premium Security Sandbox Protection Link Following Privilege Escalation Vulnerability



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.

Reserved 2023-09-06 | Published 2024-05-03 | Updated 2024-09-20 | Assigner zdi


HIGH: 7.8CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem types

CWE-706: Use of Incorrectly-Resolved Name or Reference

Product status

Default status
unknown

Avast Premium Security 22.12.6044 (build 22.12.7758.769)
affected

References

www.zerodayinitiative.com/advisories/ZDI-23-1475/ (ZDI-23-1475)

cve.org (CVE-2023-42125)

nvd.nist.gov (CVE-2023-42125)

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