CVE-2023-42125CWE-706

Avast Premium Security Sandbox Protection Link Following Privilege Escalation Vulnerability

High · published May 3, 2024

CVSS v3.0
7.8
EPSS
0%
Percentile
34.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.0
7.8 · HIGH
Vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00414 · 34.6th percentile
Weakness
CWE-706 · Use of Incorrectly-Resolved Name or Reference
Published
2024-05-03T02:13Z
EPSS history
Timeline
  • 03 MAY 02:13Z
    Avast Premium Security Sandbox Protection Link Following Privilege Escalation Vulnerability
    cvelistv5