PT-2024-37167 · Avast · Avg/Avast Antivirus

Cirosec Gmbh · Published 2024-10-03 · Updated 2024-10-08 · CVE-2024-5803

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: AVG/Avast Antivirus versions prior to 24.1

Description: The issue allows a local attacker to escalate privileges via a COM hijack in a time-of-check to time-of-use (TOCTOU) scenario when self-protection is disabled. This occurs in the AVGUI.exe component of AVG/Avast Antivirus.

Recommendations: For versions prior to 24.1, update to version 24.1 or later to resolve the issue. As a temporary workaround, consider enabling self-protection to minimize the risk of exploitation.

Fix

Time Of Check To Time Of Use

Weakness Enumeration

CWE-367

Related Identifiers

CVE-2024-5803

Affected Products

Avg/Avast Antivirus

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2024-5803 · Security Note
• https://twitter.com/cracbot/status/1843169479611826329 · Twitter Post
• https://support.norton.com/sp/static/external/tools/security-advisories.html · Note
• https://twitter.com/CVEnew/status/1841849533816324251 · Twitter Post
• https://t.me/cvedetector/6897 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1841884895234118004 · Twitter Post
• https://twitter.com/cracbot/status/1843531832534643046 · Twitter Post