CVE-2024-7228

MEDIUM

Avast Free Antivirus - Denial of Service via Symbolic Link Abuse

Title source: llm
STIX 2.1

Description

Avast Free Antivirus Link Following Denial-of-Service Vulnerability. This vulnerability allows local attackers to create a denial-of-service condition on affected installations of Avast Free Antivirus. 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 Avast Service. By creating a symbolic link, an attacker can abuse the service to create a folder. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-22806.

References (1)

Core 1
Core References
Third Party Advisory x_research-advisory
https://www.zerodayinitiative.com/advisories/ZDI-24-999/

Scores

CVSS v3 5.5
EPSS 0.0030
EPSS Percentile 21.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-59
Status published
Products (1)
avast/free_antivirus 23.11.6090 build_23.11.8365.809
Published Nov 22, 2024
Tracked Since Feb 18, 2026