Search criteria
6 vulnerabilities found for avg_antivirus by avast
CVE-2023-5760 (GCVE-0-2023-5760)
Vulnerability from nvd – Published: 2023-11-08 16:36 – Updated: 2024-09-03 20:20
VLAI?
Title
Time-of-check to time-of-use (TOCTOU) bug leads to full local privilege escalation.
Summary
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.
Severity ?
8.2 (High)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Avast/AVG | Avast/Avg Antivirus |
Affected:
23.8
|
Credits
Wei Sheng Teo of Ensign InfoSecurity|
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CVE-2022-4173 (GCVE-0-2022-4173)
Vulnerability from nvd – Published: 2022-12-05 23:15 – Updated: 2025-04-14 17:57
VLAI?
Title
Avast and AVG Antivirus for Windows vulnerable to Privilege Escalation
Summary
A vulnerability within the malware removal functionality of Avast and AVG Antivirus allowed an attacker with write access to the filesystem, to escalate his privileges in certain scenarios. The issue was fixed with Avast and AVG Antivirus version 22.10.
Severity ?
7.3 (High)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| NortonLifeLock | Avast and AVG Antivirus |
Affected:
20.5 , ≤ 22.9
(custom)
|
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CVE-2020-13657 (GCVE-0-2020-13657)
Vulnerability from nvd – Published: 2020-06-29 17:51 – Updated: 2024-08-04 12:25
VLAI?
Summary
An elevation of privilege vulnerability exists in Avast Free Antivirus and AVG AntiVirus Free before 20.4 due to improperly handling hard links. The vulnerability allows local users to take control of arbitrary files.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
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CVE-2023-5760 (GCVE-0-2023-5760)
Vulnerability from cvelistv5 – Published: 2023-11-08 16:36 – Updated: 2024-09-03 20:20
VLAI?
Title
Time-of-check to time-of-use (TOCTOU) bug leads to full local privilege escalation.
Summary
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.
Severity ?
8.2 (High)
CWE
- CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Avast/AVG | Avast/Avg Antivirus |
Affected:
23.8
|
Credits
Wei Sheng Teo of Ensign InfoSecurity|
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CVE-2022-4173 (GCVE-0-2022-4173)
Vulnerability from cvelistv5 – Published: 2022-12-05 23:15 – Updated: 2025-04-14 17:57
VLAI?
Title
Avast and AVG Antivirus for Windows vulnerable to Privilege Escalation
Summary
A vulnerability within the malware removal functionality of Avast and AVG Antivirus allowed an attacker with write access to the filesystem, to escalate his privileges in certain scenarios. The issue was fixed with Avast and AVG Antivirus version 22.10.
Severity ?
7.3 (High)
CWE
- CWE-269 - Improper Privilege Management
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| NortonLifeLock | Avast and AVG Antivirus |
Affected:
20.5 , ≤ 22.9
(custom)
|
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CVE-2020-13657 (GCVE-0-2020-13657)
Vulnerability from cvelistv5 – Published: 2020-06-29 17:51 – Updated: 2024-08-04 12:25
VLAI?
Summary
An elevation of privilege vulnerability exists in Avast Free Antivirus and AVG AntiVirus Free before 20.4 due to improperly handling hard links. The vulnerability allows local users to take control of arbitrary files.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
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