CVE-2023-42125

Avast Premium Security Sandbox Protection Link Following Privilege Escalation Vulnerability

State
Published
Severity
7.8 High
Published
May 3, 2024
Updated
Sep 20, 2024
Reserved
Sep 6, 2023

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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.

Scores

CVSSScoreVectorSource
3.07.8 HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hzdi

Weaknesses

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

Affected Products

ProductVersions
Premium SecurityAvast
  • Avast Premium Security 22.12.6044 (build 22.12.7758.769)Affected

References

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