CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0CVE-2020-9320
https://notcve.org/view.php?id=CVE-2020-9320
Avira AV Engine before 8.3.54.138 allows virus-detection bypass via a crafted ISO archive. This affects versions before 8.3.54.138 of Antivirus for Endpoint, Antivirus for Small Business, Exchange Security (Gateway), Internet Security Suite for Windows, Prime, Free Security Suite for Windows, and Cross Platform Anti-malware SDK. NOTE: Vendor asserts that vulnerability does not exist in product ** EN DISPUTA ** Avira AV Engine versiones anteriores a 8.3.54.138, permite omitir la detección de virus por medio de un archivo ISO diseñado. Esto afecta a las versiones anteriores a 8.3.54.138 de Antivirus para Endpoint, Antivirus para Small Business, Exchange Security (Gateway), Internet Security Suite para Windows, Prime, Free Security Suite para Windows y Cross Platparam Anti-malware SDK. NOTA: El vendedor afirma que la vulnerabilidad no existe en el producto • http://packetstormsecurity.com/files/156472/AVIRA-Generic-Malformed-Container-Bypass.html http://seclists.org/fulldisclosure/2020/Feb/31 https://blog.zoller.lu/p/from-low-hanging-fruit-department-avira.html https://www.zoller.lu/%5BTZO-01-2020%5D%20AVIRA%20Generic%20Bypass%20ISO.pdf • CWE-434: Unrestricted Upload of File with Dangerous Type •
CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0CVE-2019-11396
https://notcve.org/view.php?id=CVE-2019-11396
An issue was discovered in Avira Free Security Suite 10. The permissive access rights on the SoftwareUpdater folder (files / folders and configuration) are incompatible with the privileged file manipulation performed by the product. Files can be created that can be used by an unprivileged user to obtain SYSTEM privileges. Arbitrary file creation can be achieved by abusing the SwuConfig.json file creation: an unprivileged user can replace these files by pseudo-symbolic links to arbitrary files. When an update occurs, a privileged service creates a file and sets its access rights, offering write access to the Everyone group in any directory. • http://packetstormsecurity.com/files/153868/Avira-Free-Security-Suite-2019-Software-Updater-2.0.6.13175-Improper-Access-Control.html https://medium.com/sidechannel-br/vulnerabilidade-no-avira-security-suite-pode-levar-%C3%A0-escala%C3%A7%C3%A3o-de-privil%C3%A9gios-no-windows-71964236c077 https://seclists.org/fulldisclosure/2019/Aug/1 • CWE-59: Improper Link Resolution Before File Access ('Link Following') •
CVSS: 7.2EPSS: 0%CPEs: 4EXPL: 0CVE-2017-6417
https://notcve.org/view.php?id=CVE-2017-6417
Code injection vulnerability in Avira Total Security Suite 15.0 (and earlier), Optimization Suite 15.0 (and earlier), Internet Security Suite 15.0 (and earlier), and Free Security Suite 15.0 (and earlier) allows a local attacker to bypass a self-protection mechanism, inject arbitrary code, and take full control of any Avira process via a "DoubleAgent" attack. One perspective on this issue is that (1) these products do not use the Protected Processes feature, and therefore an attacker can enter an arbitrary Application Verifier Provider DLL under Image File Execution Options in the registry; (2) the self-protection mechanism is intended to block all local processes (regardless of privileges) from modifying Image File Execution Options for these products; and (3) this mechanism can be bypassed by an attacker who temporarily renames Image File Execution Options during the attack. Vulnerabilidad de inyección de código en Avira Total Security Suite 15.0 (y versiones anteriores), Optimization Suite 15.0 (y versiones anteriores), Internet Security Suite 15.0 (y versiones anteriores), y Free Security Suite 15.0 (y versiones anteriores) permite a atacante local evitar un mecanismo de autoprotección, inyectar código arbitrario, y tomar el control total de cualquier proceso Avira a través de un ataque "DoubleAgent".Una perspectiva de este problema es que (1) estos productos no utilizan la característica de procesos protegidos y, por lo tanto, un atacante puede introducir un proveedor verificador de aplicaciones DLL arbitrario bajo opciones de ejecución de archivo de imagen en el registro; (2) el mecanismo de autoprotección está destinado a bloquear todos los procesos locales (independientemente de los privilegios) de modificar las opciones de ejecución de archivos de imagen para estos productos; Y (3) este mecanismo puede ser anulado por un atacante que cambia temporalmente las opciones de ejecución de archivo de imagen durante el ataque. • http://cybellum.com/doubleagent-taking-full-control-antivirus http://cybellum.com/doubleagentzero-day-code-injection-and-persistence-technique http://www.securityfocus.com/bid/97021 • CWE-427: Uncontrolled Search Path Element •