CVE-2023-5760CWE-367

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

High · published November 8, 2023

CVSS v3.1
8.2
EPSS
0%
Percentile
8.2
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.2 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00190 · 8.2th percentile
Weakness
CWE-367 · Time-of-check Time-of-use (TOCTOU) Race Condition
Published
2023-11-08T16:36Z
EPSS history
Timeline
  • 08 NOV 16:36Z
    Time-of-check to time-of-use (TOCTOU) bug leads to full local privilege escalation.
    cvelistv5