CVE-2023-1900 – Avira Free Antivirus Integer Overflow Local Privilege Escalation Vulnerability
https://notcve.org/view.php?id=CVE-2023-1900
A vulnerability within the Avira network protection feature allowed an attacker with local execution rights to cause an overflow. This could corrupt the data on the heap and lead to a denial-of-service situation. Issue was fixed with Endpointprotection.exe version 1.0.2303.633 This vulnerability allows local attackers to escalate privileges on affected installations of Avira Free Antivirus. 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 netprotection network filter driver. The issue results from the lack of proper validation of user-supplied data, which can result in an integer overflow before writing to memory. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of SYSTEM. • https://support.norton.com/sp/static/external/tools/security-advisories.html • CWE-190: Integer Overflow or Wraparound •
CVE-2022-4294 – Norton, Avira, Avast and AVG Antivirus for Windows Privilege Escalation
https://notcve.org/view.php?id=CVE-2022-4294
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. • https://support.norton.com/sp/static/external/tools/security-advisories.html • CWE-269: Improper Privilege Management •
CVE-2020-12680
https://notcve.org/view.php?id=CVE-2020-12680
Avira Free Antivirus through 15.0.2005.1866 allows local users to discover user credentials. The functions of the executable file Avira.PWM.NativeMessaging.exe are aimed at collecting credentials stored in Chrome, Firefox, Opera, and Edge. The executable does not verify the calling program and thus a request such as fetchChromePasswords or fetchCredentials will succeed. NOTE: some third parties have stated that this is "not a vulnerability. ** EN DISPUTA ** Avira Free Antivirus versiones hasta 15.0.2005.1866, permite a usuarios locales detectar credenciales de usuario. Las funciones del archivo ejecutable Avira.PWM.NativeMessaging.exe están destinadas a recolectar credenciales almacenadas en Chrome, Firefox, Opera y Edge. • https://medium.com/%40knikolenko/avira-free-antivirus-password-collector-83452fa7f943 https://twitter.com/taviso/status/1258448515912491026 •
CVE-2020-12254
https://notcve.org/view.php?id=CVE-2020-12254
Avira Antivirus before 5.0.2003.1821 on Windows allows privilege escalation or a denial of service via abuse of a symlink. Avira Antivirus versiones anteriores a la versión 5.0.2003.1821 en Windows, permite una escalada de privilegios o una denegación de servicio por medio del abuso de un enlace simbólico. • http://web.archive.org/web/20200429193852/https://support.avira.com/hc/en-us/articles/360000109798-Avira-Antivirus-for-Windows https://support.avira.com/hc/en-us/articles/360000109798-Avira-Antivirus-for-Windows • CWE-59: Improper Link Resolution Before File Access ('Link Following') •
CVE-2020-8961
https://notcve.org/view.php?id=CVE-2020-8961
An issue was discovered in Avira Free-Antivirus before 15.0.2004.1825. The Self-Protection feature does not prohibit a write operation from an external process. Thus, code injection can be used to turn off this feature. After that, one can construct an event that will modify a file at a specific location, and pass this event to the driver, thereby defeating the anti-virus functionality. Se detectó un problema en Avira Free-Antivirus versiones anteriores a 15.0.2004.1825. • https://support.avira.com/hc/en-us/articles/360000109798-Avira-Antivirus-for-Windows •