Vulnerability · Published Nov 8, 2023 · Assigned by NLOK
CVE-2023-5760Time-of-check to time-of-use (TOCTOU) bug leads to full local privilege escalation.
High 8.2
In plain English
A high-severity security flaw in Avast/Avg Antivirus from Avast/AVG. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).
Severity (CVSS 3.1)8.2High
Exploit odds (30 days)0.2%top 91.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Avast/AVG | Avast/Avg Antivirus | 23.8 |
Weakness: CWE-367 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H