CVE-2023-5760

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

State: Published
Severity: 8.2 High
Published: Nov 8, 2023
Updated: Sep 3, 2024
Reserved: Oct 25, 2023

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.

Scores

CVSS	Score	Vector	Source
3.1	8.2 High	CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H	NLOK

Weaknesses

CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

Affected Products

Product	Versions
Avast/Avg AntivirusAvast/AVG	23.8Affected

References

https://support.norton.com/sp/static/external/tools/security-advisories.html

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