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CVE-2023-5760

Time-of-check to time-of-use (TOCTOU) bug leads to full local privilege escalation.

Published: Nov 8, 2023Updated: Nov 21, 2024 Sources: CVE List NVDCWE-367
8.2HIGH
NVD MITRE
EPSS Score
0.2%
Top 91.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:RS:CC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-367

Affected Products

Avast/AVG
commercial·CZaka avast, avg, avast antivirus, avast free antivirus
Avast/Avg AntivirusMixed
Security Products / endpoint-av-edr
avg antivirusSecurity Product
Security Products / endpoint-av-edr

Exploitability

Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://support.norton.com/sp/static/external/tools/security-advisories.html
support.norton.com
News mentions
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