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18 vulnerabilities found for premium_security by avast

FKIE_CVE-2023-42125

Vulnerability from fkie_nvd - Published: 2024-05-03 03:15 - Updated: 2025-08-13 12:12
Severity ?
7.8 (High) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
Avast Premium Security Sandbox Protection Link Following Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Premium Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the implementation of the sandbox feature. By creating a symbolic link, an attacker can abuse the service to create arbitrary namespace objects. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. . Was ZDI-CAN-20383.
References
zdi-disclosures@trendmicro.comhttps://www.zerodayinitiative.com/advisories/ZDI-23-1475/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.zerodayinitiative.com/advisories/ZDI-23-1475/Third Party Advisory
Impacted products
Vendor Product Version
avast premium_security 22.12.6044
To clipboard 

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      "value": "Avast Premium Security Sandbox Protection Link Following Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Premium Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.\n\nThe specific flaw exists within the implementation of the sandbox feature. By creating a symbolic link, an attacker can abuse the service to create arbitrary namespace objects. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM.\n. Was ZDI-CAN-20383."
    },
    {
      "lang": "es",
      "value": "Enlace de protecci\u00f3n de Avast Premium Security Sandbox despu\u00e9s de una vulnerabilidad de escalada de privilegios. Esta vulnerabilidad permite a atacantes locales escalar privilegios en las instalaciones afectadas de Avast Premium Security. Un atacante primero debe obtener la capacidad de ejecutar c\u00f3digo con pocos privilegios en el sistema de destino para poder explotar esta vulnerabilidad. La falla espec\u00edfica existe en la implementaci\u00f3n de la funci\u00f3n sandbox. Al crear un enlace simb\u00f3lico, un atacante puede abusar del servicio para crear objetos de espacio de nombres arbitrarios. Un atacante puede aprovechar esta vulnerabilidad para escalar privilegios y ejecutar c\u00f3digo arbitrario en el contexto de SYSTEM. Era ZDI-CAN-20383."
    }
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  "id": "CVE-2023-42125",
  "lastModified": "2025-08-13T12:12:48.143",
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FKIE_CVE-2023-42124

Vulnerability from fkie_nvd - Published: 2024-05-03 03:15 - Updated: 2025-08-13 12:17
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
Avast Premium Security Sandbox Protection Incorrect Authorization Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Premium Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the implementation of the sandbox feature. The issue results from incorrect authorization. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code outside the sandbox at medium integrity. . Was ZDI-CAN-20178.
References
zdi-disclosures@trendmicro.comhttps://www.zerodayinitiative.com/advisories/ZDI-23-1474/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.zerodayinitiative.com/advisories/ZDI-23-1474/Third Party Advisory
Impacted products
Vendor Product Version
avast premium_security 22.12.6044
To clipboard 

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  "id": "CVE-2023-42124",
  "lastModified": "2025-08-13T12:17:33.243",
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}

FKIE_CVE-2022-28965

Vulnerability from fkie_nvd - Published: 2022-05-20 02:15 - Updated: 2024-11-21 06:58
Severity ?
6.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Summary
Multiple DLL hijacking vulnerabilities via the components instup.exe and wsc_proxy.exe in Avast Premium Security before v21.11.2500 allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via a crafted DLL file.
References
cve@mitre.orghttps://forum.avast.com/index.php?topic=318305.0Patch, Release Notes, Vendor Advisory
cve@mitre.orghttps://github.com/netero1010/Vulnerability-Disclosure/tree/main/CVE-2022-AVAST2Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://forum.avast.com/index.php?topic=318305.0Patch, Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/netero1010/Vulnerability-Disclosure/tree/main/CVE-2022-AVAST2Third Party Advisory
Impacted products
Vendor Product Version
avast premium_security *
To clipboard 

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  "id": "CVE-2022-28965",
  "lastModified": "2024-11-21T06:58:15.293",
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FKIE_CVE-2022-28964

Vulnerability from fkie_nvd - Published: 2022-05-20 02:15 - Updated: 2024-11-21 06:58
Severity ?
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
Summary
An arbitrary file write vulnerability in Avast Premium Security before v21.11.2500 (build 21.11.6809.528) allows attackers to cause a Denial of Service (DoS) via a crafted DLL file.
References
cve@mitre.orghttps://forum.avast.com/index.php?topic=317641.0Vendor Advisory
cve@mitre.orghttps://github.com/netero1010/Vulnerability-Disclosure/tree/main/CVE-2022-AVAST1Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://forum.avast.com/index.php?topic=317641.0Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/netero1010/Vulnerability-Disclosure/tree/main/CVE-2022-AVAST1Third Party Advisory
Impacted products
Vendor Product Version
avast premium_security *
To clipboard 

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FKIE_CVE-2021-27241

Vulnerability from fkie_nvd - Published: 2021-03-29 21:15 - Updated: 2024-11-21 05:57
Severity ?
6.1 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Summary
This vulnerability allows local attackers to delete arbitrary directories on affected installations of Avast Premium Security 20.8.2429 (Build 20.8.5653.561). An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the AvastSvc.exe module. By creating a directory junction, an attacker can abuse the service to delete a directory. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-12082.
References
zdi-disclosures@trendmicro.comhttps://www.zerodayinitiative.com/advisories/ZDI-21-208/Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://www.zerodayinitiative.com/advisories/ZDI-21-208/Third Party Advisory, VDB Entry
Impacted products
Vendor Product Version
avast premium_security 20.8.2429
To clipboard 

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FKIE_CVE-2019-18894

Vulnerability from fkie_nvd - Published: 2020-01-13 17:15 - Updated: 2024-11-21 04:33
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
In Avast Premium Security 19.8.2393, attackers can send a specially crafted request to the local web server run by Avast Antivirus on port 27275 to support Bank Mode functionality. A flaw in the processing of a command allows execution of arbitrary OS commands with the privileges of the currently logged in user. This allows for example attackers who compromised a browser extension to escape from the browser sandbox.
References
cve@mitre.orghttps://palant.de/2020/01/13/pwning-avast-secure-browser-for-fun-and-profit/Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://palant.de/2020/01/13/pwning-avast-secure-browser-for-fun-and-profit/Exploit, Third Party Advisory
Impacted products
Vendor Product Version
avast premium_security 19.8.2393
To clipboard 

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CVE-2023-42125 (GCVE-0-2023-42125)

Vulnerability from cvelistv5 – Published: 2024-05-03 02:13 – Updated: 2024-09-20 19:07
VLAI?
Summary
Avast Premium Security Sandbox Protection Link Following Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Premium Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the implementation of the sandbox feature. By creating a symbolic link, an attacker can abuse the service to create arbitrary namespace objects. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. . Was ZDI-CAN-20383.
Severity ?
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-706 - Use of Incorrectly-Resolved Name or Reference
Assigner
zdi
References
Impacted products
Vendor Product Version
Avast Premium Security Affected: Avast Premium Security 22.12.6044 (build 22.12.7758.769)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-42124 (GCVE-0-2023-42124)

Vulnerability from cvelistv5 – Published: 2024-05-03 02:13 – Updated: 2024-09-18 18:30
VLAI?
Summary
Avast Premium Security Sandbox Protection Incorrect Authorization Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Premium Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the implementation of the sandbox feature. The issue results from incorrect authorization. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code outside the sandbox at medium integrity. . Was ZDI-CAN-20178.
Severity ?
5.3 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CWE
  • CWE-863 - Incorrect Authorization
Assigner
zdi
References
Impacted products
Vendor Product Version
Avast Premium Security Affected: Avast Premium Security 22.12.6044 (build 22.12.7758.769)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-28965 (GCVE-0-2022-28965)

Vulnerability from cvelistv5 – Published: 2022-05-20 01:13 – Updated: 2024-08-03 06:10
VLAI?
Summary
Multiple DLL hijacking vulnerabilities via the components instup.exe and wsc_proxy.exe in Avast Premium Security before v21.11.2500 allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via a crafted DLL file.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2022-28964 (GCVE-0-2022-28964)

Vulnerability from cvelistv5 – Published: 2022-05-20 01:13 – Updated: 2024-08-03 06:10
VLAI?
Summary
An arbitrary file write vulnerability in Avast Premium Security before v21.11.2500 (build 21.11.6809.528) allows attackers to cause a Denial of Service (DoS) via a crafted DLL file.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-27241 (GCVE-0-2021-27241)

Vulnerability from cvelistv5 – Published: 2021-03-29 21:05 – Updated: 2024-08-03 20:48
VLAI?
Summary
This vulnerability allows local attackers to delete arbitrary directories on affected installations of Avast Premium Security 20.8.2429 (Build 20.8.5653.561). An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the AvastSvc.exe module. By creating a directory junction, an attacker can abuse the service to delete a directory. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-12082.
Severity ?
6.1 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
zdi
References
Impacted products
Vendor Product Version
Avast Premium Security Affected: 20.8.2429 (Build 20.8.5653.561)
Create a notification for this product.
Credits
Abdelhamid Naceri
Show details on NVD website
To clipboard 

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CVE-2019-18894 (GCVE-0-2019-18894)

Vulnerability from cvelistv5 – Published: 2020-01-13 16:13 – Updated: 2024-08-05 02:02
VLAI?
Summary
In Avast Premium Security 19.8.2393, attackers can send a specially crafted request to the local web server run by Avast Antivirus on port 27275 to support Bank Mode functionality. A flaw in the processing of a command allows execution of arbitrary OS commands with the privileges of the currently logged in user. This allows for example attackers who compromised a browser extension to escape from the browser sandbox.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2023-42125 (GCVE-0-2023-42125)

Vulnerability from nvd – Published: 2024-05-03 02:13 – Updated: 2024-09-20 19:07
VLAI?
Summary
Avast Premium Security Sandbox Protection Link Following Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Premium Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the implementation of the sandbox feature. By creating a symbolic link, an attacker can abuse the service to create arbitrary namespace objects. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. . Was ZDI-CAN-20383.
Severity ?
7.8 (High)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
  • CWE-706 - Use of Incorrectly-Resolved Name or Reference
Assigner
zdi
References
Impacted products
Vendor Product Version
Avast Premium Security Affected: Avast Premium Security 22.12.6044 (build 22.12.7758.769)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-42124 (GCVE-0-2023-42124)

Vulnerability from nvd – Published: 2024-05-03 02:13 – Updated: 2024-09-18 18:30
VLAI?
Summary
Avast Premium Security Sandbox Protection Incorrect Authorization Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Avast Premium Security. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the implementation of the sandbox feature. The issue results from incorrect authorization. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code outside the sandbox at medium integrity. . Was ZDI-CAN-20178.
Severity ?
5.3 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CWE
  • CWE-863 - Incorrect Authorization
Assigner
zdi
References
Impacted products
Vendor Product Version
Avast Premium Security Affected: Avast Premium Security 22.12.6044 (build 22.12.7758.769)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-28965 (GCVE-0-2022-28965)

Vulnerability from nvd – Published: 2022-05-20 01:13 – Updated: 2024-08-03 06:10
VLAI?
Summary
Multiple DLL hijacking vulnerabilities via the components instup.exe and wsc_proxy.exe in Avast Premium Security before v21.11.2500 allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via a crafted DLL file.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2022-28964 (GCVE-0-2022-28964)

Vulnerability from nvd – Published: 2022-05-20 01:13 – Updated: 2024-08-03 06:10
VLAI?
Summary
An arbitrary file write vulnerability in Avast Premium Security before v21.11.2500 (build 21.11.6809.528) allows attackers to cause a Denial of Service (DoS) via a crafted DLL file.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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CVE-2021-27241 (GCVE-0-2021-27241)

Vulnerability from nvd – Published: 2021-03-29 21:05 – Updated: 2024-08-03 20:48
VLAI?
Summary
This vulnerability allows local attackers to delete arbitrary directories on affected installations of Avast Premium Security 20.8.2429 (Build 20.8.5653.561). An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the AvastSvc.exe module. By creating a directory junction, an attacker can abuse the service to delete a directory. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-12082.
Severity ?
6.1 (Medium)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
zdi
References
Impacted products
Vendor Product Version
Avast Premium Security Affected: 20.8.2429 (Build 20.8.5653.561)
Create a notification for this product.
Credits
Abdelhamid Naceri
Show details on NVD website
To clipboard 

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CVE-2019-18894 (GCVE-0-2019-18894)

Vulnerability from nvd – Published: 2020-01-13 16:13 – Updated: 2024-08-05 02:02
VLAI?
Summary
In Avast Premium Security 19.8.2393, attackers can send a specially crafted request to the local web server run by Avast Antivirus on port 27275 to support Bank Mode functionality. A flaw in the processing of a command allows execution of arbitrary OS commands with the privileges of the currently logged in user. This allows for example attackers who compromised a browser extension to escape from the browser sandbox.
Severity ?
No CVSS data available.
CWE
  • n/a
Assigner
References
Show details on NVD website
To clipboard 

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