CVE-2023-5760

CVSS 3.1 Score 7.0 of 10 (high)

Details

Published Nov 8, 2023
Updated: Nov 16, 2023
CWE ID 367

Summary

CVE-2023-5760 is a time-of-check to time-of-use (TOCTOU) bug that affects Avast/Avg Antivirus version 23.8. This vulnerability allows an attacker to gain full local privilege escalation on the system by exploiting an out-of-bounds write vulnerability resulting from the TOCTOU bug in handling IOCTL requests. The risk score is 25, indicating a high severity level, and the base score is 7.0, with high impacts on integrity and confidentiality. The exploitability score is 1.0, and the attack vector is considered local, requiring low privileges and no user interaction. Organizations using the affected antivirus software should take immediate action to remediate this vulnerability to prevent potential attacks and mitigate the potential dangers it poses to their systems.

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