PT-2024-38187 · Avast · Avast Free Antivirus

Izobashi + 2 · Published 2024-07-29 · Updated 2024-12-09 · CVE-2024-7227

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Avast Free Antivirus (affected versions not specified)

Description This issue allows local attackers to escalate privileges 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 issue. The specific flaw exists within the Avast Service, where an attacker can create a symbolic link to abuse the service and delete a file, potentially escalating privileges and executing arbitrary code in the context of SYSTEM.

Recommendations At the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Link Following

Weakness Enumeration

CWE-59

Related Identifiers

CVE-2024-7227

ZDI-24-1003

Affected Products

Avast Free Antivirus

References · 5

• https://zerodayinitiative.com/advisories/ZDI-24-1003 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-7227 · Security Note
• https://osv.dev/vulnerability/CVE-2024-7227 · Vendor Advisory
• https://twitter.com/CVEnew/status/1860073472992641279 · Twitter Post
• https://t.me/cvenotify/103632 · Telegram Post