Sandbox component in Avast Antivirus prior to 20.4 has an insecure permission which could be abused by local user to control the outcome of scans, and therefore evade detection or delete arbitrary system files.

Privilege escalation vulnerability in the Sandbox component of Avast Antivirus prior to 20.4 allows a local sandboxed code to gain elevated privileges by using system IPC interfaces which could lead to exit the sandbox and acquire SYSTEM privileges. Privilege escalation vulnerability in the Self-Defense driver of Avast Antivirus prior to 20.8 allows a local user with SYSTEM privileges to gain elevated privileges by 'hollowing' process wsc_proxy.exe which could lead to acquire antimalware (AM-PPL) protection. Multiple privilege escalation vulnerabilities in Avast Antivirus prior to 20.4 allow a local user to gain elevated privileges by calling unnecessarily powerful internal methods of the main antivirus service which could lead to the (1) arbitrary file delete, (2) write and (3) reset security. Privilege escalation vulnerability in Avast Antivirus prior to 20.4 allows a local user to gain elevated privileges by 'hollowing' trusted process which could lead to the bypassing of Avast self-defense. 528) allows attackers to cause a Denial of Service (DoS) via a crafted DLL file. Multiple DLL hijacking vulnerabilities via the components instup.exe and wsc_proxy.exe in Avast Premium Security before v allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via a crafted DLL file.Īn arbitrary file write vulnerability in Avast Premium Security before v (build. The issue was fixed with Avast and AVG Antivirus version 22.10. This issue was fixed in version of the Script Shield Component.Ī 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 aswjsflt.dll library from Avast Antivirus windows contained a potentially exploitable heap corruption vulnerability that could enable an attacker to bypass the sandbox of the application it was loaded into, if applicable.

Norton, Avira, Avast and AVG Antivirus for Windows may be susceptible to a Privilege Escalation vulnerability, which is a type of issue whereby an attacker may attempt to compromise the software application to gain elevated access to resources that are normally protected from an application or user.

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