CVE-2023-5760

Time-of-check to time-of-use (TOCTOU) bug leads to full local privilege escalation.

Published Nov 8, 2023 CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
Description
A time-of-check to time-of-use (TOCTOU) bug in handling of IOCTL (input/output control) requests. This TOCTOU bug leads to an out-of-bounds write vulnerability which can be further exploited, allowing an attacker to gain full local privilege escalation on the system.This issue affects Avast/Avg Antivirus: 23.8.

Remediation

Vendor Solution

We encourage customers to ensure their security software is always updated to the latest version available.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-58045 A time-of-check to time-of-use (TOCTOU) bug in handling of IOCTL (input/output control) requests. This TOCTOU bug leads to an out-of-bounds write vulnerability which can be further exploited, allowing an attacker to gain full local privilege escalation on the system.This issue affects Avast/Avg Antivirus: 23.8.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
NLOK
Published
Updated
Sep 3, 2024, 8:20 PM
Reserved
Oct 25, 2023, 12:31 AM
Status
Modified
Published
Nov 8, 2023, 5:15 PM
Modified
Jun 17, 2026, 6:49 AM