CVSS: 8.8EPSS: 0%CPEs: 1EXPL: 1CVE-2021-45337
https://notcve.org/view.php?id=CVE-2021-45337
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. Una vulnerabilidad de escalada de privilegios en el controlador de Autodefensa de Avast Antivirus versiones anteriores a 20.8, permite a un usuario local con privilegios SYSTEM alcanzar privilegios elevados al "vaciar" el proceso wsc_proxy.exe, que podría conllevar a una adquisición de protección antimalware (AM-PPL) • https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST3%20%26%20CVE-2021-AVST4%20%26%20CVE-2021-AVST5 https://www.avast.com/hacker-hall-of-fame/en/researcher-david-eade-reports-antitrack-bug-to-avast-0 •
CVSS: 8.8EPSS: 0%CPEs: 1EXPL: 1CVE-2021-45336
https://notcve.org/view.php?id=CVE-2021-45336
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. Una vulnerabilidad de escalada de privilegios en el componente Sandbox de Avast Antivirus versiones anteriores a 20.4, permite a un código local del sandbox alcanzar privilegios elevados al usar las interfaces IPC del sistema, lo que podría conllevar a una salida del sandbox y la adquisición de privilegios de SYSTEM • https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST3%20%26%20CVE-2021-AVST4%20%26%20CVE-2021-AVST5 https://www.avast.com/hacker-hall-of-fame/en/researcher-david-eade-reports-antitrack-bug-to-avast-0 •
CVSS: 8.8EPSS: 0%CPEs: 1EXPL: 1CVE-2021-45335
https://notcve.org/view.php?id=CVE-2021-45335
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. El componente Sandbox en Avast Antivirus versiones anteriores a 20.4, presenta un permiso no seguro que podría ser abusado por el usuario local para controlar el resultado de los escaneos, y por lo tanto omitir la detección o borrar archivos arbitrarios del sistema • https://github.com/the-deniss/Vulnerability-Disclosures/tree/main/CVE-2021-AVST3%20%26%20CVE-2021-AVST4%20%26%20CVE-2021-AVST5 https://www.avast.com/hacker-hall-of-fame/en/researcher-david-eade-reports-antitrack-bug-to-avast-0 • CWE-276: Incorrect Default Permissions •
CVSS: 7.5EPSS: 0%CPEs: 2EXPL: 1CVE-2020-10868
https://notcve.org/view.php?id=CVE-2020-10868
An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe) allows attackers to launch the Repair App RPC call from a Low Integrity process. Se detectó un problema en Avast Antivirus versiones anteriores a 20. El endpoint de aswTask RPC para la biblioteca TaskEx en el Avast Service (AvastSvc.exe) permite a atacantes iniciar la llamada Repair App RPC desde un proceso Low Integrity. • https://forum.avast.com/index.php?topic=232420.0 https://forum.avast.com/index.php?topic=232423.0 https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md •
CVSS: 9.8EPSS: 0%CPEs: 2EXPL: 1CVE-2020-10867
https://notcve.org/view.php?id=CVE-2020-10867
An issue was discovered in Avast Antivirus before 20. The aswTask RPC endpoint for the TaskEx library in the Avast Service (AvastSvc.exe) allows attackers to bypass intended access restrictions on tasks from an untrusted process, when Self Defense is enabled. Se detectó un problema en Avast Antivirus versiones anteriores a 20. El endpoint de aswTask RPC para la biblioteca TaskEx en el Avast Service (AvastSvc.exe) permite a atacantes omitir las restricciones de acceso previstas en tareas a partir de un proceso no confiable, cuando Self Defense está habilitado. • https://forum.avast.com/index.php?topic=232420.0 https://forum.avast.com/index.php?topic=232423.0 https://github.com/umarfarook882/Avast_Multiple_Vulnerability_Disclosure/blob/master/README.md • CWE-668: Exposure of Resource to Wrong Sphere •