Avast Premium Security Sandbox Protection Incorrect Authorization Privilege Escalation Vulnerability
CVE-2023-42124

5.3MEDIUM

Key Information:

Vendor

Avast

Status
Premium Security
Vendor
CVE Published:
3 May 2024

What is CVE-2023-42124?

This vulnerability involves an incorrect authorization flaw within the sandbox feature of Avast Premium Security. Local attackers can leverage this issue to escalate their privileges, allowing them to execute arbitrary code outside of the sandbox environment. To exploit this vulnerability, an attacker must first run low-privileged code on the system where the affected product is installed. The flaw potentially compromises the overall security posture of systems utilizing this software unless appropriately mitigated.

Affected Version(s)

Premium Security Avast Premium Security 22.12.6044 (build 22.12.7758.769)

References

https://www.zerodayinitiative.com/advisories/ZDI-23-1474/
x_research-advisory

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.