Local Privilege Escalation Vulnerability in Avast Cleanup Premium
CVE-2024-7231

7.8HIGH

Key Information:

Vendor

Avast

Status
Cleanup Premium
Vendor
CVE Published:
22 November 2024

What is CVE-2024-7231?

The vulnerability within Avast Cleanup Premium stems from improper handling of symbolic links, which permits local attackers to escalate their privileges. This flaw exists in the Avast Cleanup Service, enabling adversaries to craft a symbolic link that might lead to unauthorized deletion of critical files. After gaining initial low-privileged access, an attacker can exploit this weakness to execute arbitrary code with elevated privileges, potentially compromising the entire system and exposing sensitive information.

References

https://www.zerodayinitiative.com/advisories/ZDI-24-1001/

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

.