Local Privilege Escalation Vulnerability in Avast Free Antivirus
CVE-2024-7227

7.8HIGH

Key Information:

Vendor

Avast

Status
Free Antivirus
Vendor
CVE Published:
22 November 2024

What is CVE-2024-7227?

A local privilege escalation vulnerability exists in Avast Free Antivirus, specifically affecting the Avast Service component. This vulnerability enables local attackers to exploit the service by creating a symbolic link, which can lead to the deletion of files and subsequent privilege escalation. Once an attacker has executed low-privileged code on the system, they can leverage this flaw to gain SYSTEM level privileges and execute arbitrary code, potentially compromising the entire system.

Affected Version(s)

Free Antivirus 23.9.6082

References

https://www.zerodayinitiative.com/advisories/ZDI-24-1003/
x_research-advisory

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

CVSS V3.0

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

.