CVE-2023-5760

Published Nov 8, 2023

Last updated a year ago

Overview

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.
Source: security@nortonlifelock.com
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 7
Impact score: 5.9
Exploitability score: 1
Vector string: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: HIGH

Weaknesses

nvd@nist.gov: CWE-367
security@nortonlifelock.com: CWE-367

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:avast:avg_antivirus:23.8:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "E8124009-1327-4987-8496-13DE18CF777A"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References