CVE-2023-5760
Time-of-check to time-of-use (TOCTOU) bug leads to full local privilege escalation.
Severity Score
7.0
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Track*
*SSVC
Descriptions
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.
Un error de tiempo de verificación a tiempo de uso (TOCTOU) en el manejo de solicitudes IOCTL (control de entrada/salida). Este error de TOCTOU conduce a una vulnerabilidad de escritura fuera de los límites que puede explotarse aún más, permitiendo a un atacante obtener una escalada de privilegios local completa en el sistema. Este problema afecta a Avast/Avg Antivirus: 23.8.
*Credits:
Wei Sheng Teo of Ensign InfoSecurity|
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track*
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-10-25 CVE Reserved
- 2023-11-08 CVE Published
- 2023-11-09 EPSS Updated
- 2024-09-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
CAPEC
- CAPEC-233: Privilege Escalation
References (1)
URL | Tag | Source |
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https://support.norton.com/sp/static/external/tools/security-advisories.html | Third Party Advisory |
URL | Date | SRC |
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URL | Date | SRC |
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URL | Date | SRC |
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Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Avast Search vendor "Avast" | Avg Antivirus Search vendor "Avast" for product "Avg Antivirus" | 23.8 Search vendor "Avast" for product "Avg Antivirus" and version "23.8" | - |
Affected
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