8.2
HIGH
CVE-2023-5760
Avast/Avg Antivirus Ioctl TOCTOU Out-of-Bounds Write Vulnerability
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.

INFO

Published Date :

Nov. 8, 2023, 5:15 p.m.

Last Modified :

Nov. 21, 2024, 8:42 a.m.

Remotely Exploitable :

No

Impact Score :

6.0

Exploitability Score :

1.5
Affected Products

The following products are affected by CVE-2023-5760 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Avast avg_antivirus
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-5760.

URL Resource
https://support.norton.com/sp/static/external/tools/security-advisories.html Third Party Advisory
https://support.norton.com/sp/static/external/tools/security-advisories.html Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-5760 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-5760 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://support.norton.com/sp/static/external/tools/security-advisories.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Nov. 16, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://support.norton.com/sp/static/external/tools/security-advisories.html No Types Assigned https://support.norton.com/sp/static/external/tools/security-advisories.html Third Party Advisory
    Added CWE NIST CWE-367
    Added CPE Configuration OR *cpe:2.3:a:avast:avg_antivirus:23.8:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Nov. 15, 2023

    Action Type Old Value New Value
    Removed CVSS V3.1 NortonLifeLock Inc. AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N
    Added CVSS V3.1 NortonLifeLock Inc. AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
  • CVE Received by [email protected]

    Nov. 08, 2023

    Action Type Old Value New Value
    Added 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.
    Added Reference NortonLifeLock Inc. https://support.norton.com/sp/static/external/tools/security-advisories.html [No types assigned]
    Added CWE NortonLifeLock Inc. CWE-367
    Added CVSS V3.1 NortonLifeLock Inc. AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:N
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-5760 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-5760 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.05725

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability