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CVSS: 5.5EPSS: 0%CPEs: 14EXPL: 0

A local (authenticated) low-privileged user can exploit a behavior in an ESET installer to achieve arbitrary file overwrite (deletion) of any file via a symlink, due to insecure permissions. The possibility of exploiting this vulnerability is limited and can only take place during the installation phase of ESET products. Furthermore, exploitation can only succeed when Self-Defense is disabled. Affected products are: ESET NOD32 Antivirus, ESET Internet Security, ESET Smart Security, ESET Smart Security Premium versions 13.2 and lower; ESET Endpoint Antivirus, ESET Endpoint Security, ESET NOD32 Antivirus Business Edition, ESET Smart Security Business Edition versions 7.3 and lower; ESET File Security for Microsoft Windows Server, ESET Mail Security for Microsoft Exchange Server, ESET Mail Security for IBM Domino, ESET Security for Kerio, ESET Security for Microsoft SharePoint Server versions 7.2 and lower. Un usuario local (autenticado) con pocos privilegios puede explotar un comportamiento en un instalador de ESET para lograr la sobrescritura (eliminación) arbitraria de cualquier archivo por medio de un enlace simbólico, debido a permisos no seguros. • https://support.eset.com/en/ca7794-local-privilege-escalation-vulnerability-fixed-in-eset-products-for-windows • CWE-276: Incorrect Default Permissions •

CVSS: 7.5EPSS: 0%CPEs: 8EXPL: 0

ESET Archive Support Module before 1294 allows virus-detection bypass via crafted RAR Compression Information in an archive. This affects versions before 1294 of Smart Security Premium, Internet Security, NOD32 Antivirus, Cyber Security Pro (macOS), Cyber Security (macOS), Mobile Security for Android, Smart TV Security, and NOD32 Antivirus 4 for Linux Desktop. ESET Archive Support Module versiones anteriores a 1294, permite una omisión de detección de virus por medio de una Información de Compresión RAR en un archivo. Esto afecta a las versiones anteriores a 1294 de Smart Security Premium, Internet Security, NOD32 Antivirus, Cyber Security Pro (macOS), Cyber Security (macOS), Mobile Security para Android, Smart TV Security, y NOD32 Antivirus 4 para Linux Desktop. • https://blog.zoller.lu/p/from-low-hanging-fruit-department_13.html • CWE-436: Interpretation Conflict •

CVSS: 9.8EPSS: 0%CPEs: 8EXPL: 0

The ESET AV parsing engine allows virus-detection bypass via a crafted BZ2 Checksum field in an archive. This affects versions before 1294 of Smart Security Premium, Internet Security, NOD32 Antivirus, Cyber Security Pro (macOS), Cyber Security (macOS), Mobile Security for Android, Smart TV Security, and NOD32 Antivirus 4 for Linux Desktop. El motor de análisis de ESET AV, permite omitir la detección de virus por medio de un campo BZ2 Checksum diseñado en un archivo. Esto afecta a las versiones anteriores a 1294 de Smart Security Premium, Internet Security, NOD32 Antivirus, Cyber Security Pro (macOS), Cyber Security (macOS), Mobile Security for Android, Smart TV Security y NOD32 Antivirus 4 para Linux Desktop. • https://blog.zoller.lu/p/tzo-11-2020-eset-generic-malformed.html • CWE-436: Interpretation Conflict •

CVSS: 5.5EPSS: 0%CPEs: 8EXPL: 0

ESET Archive Support Module before 1296 allows virus-detection bypass via a crafted Compression Information Field in a ZIP archive. This affects versions before 1294 of Smart Security Premium, Internet Security, NOD32 Antivirus, Cyber Security Pro (macOS), Cyber Security (macOS), Mobile Security for Android, Smart TV Security, and NOD32 Antivirus 4 for Linux Desktop. ESET Archive Support Module versiones anteriores a 1296, permite omitir la detección de virus por medio de un Compression Information Field diseñado en un archivo ZIP. Esto afecta a las versiones anteriores a 1294 de Smart Security Premium, Internet Security, NOD32 Antivirus, Cyber Security Pro (macOS), Cyber Security (macOS), Mobile Security para Android, Smart TV Security y NOD32 Antivirus 4 para Linux Desktop. • http://seclists.org/fulldisclosure/2020/Feb/21 https://blog.zoller.lu/p/tzo-11-2020-eset-generic-malformed.html https://support.eset.com/en/ca7387-modules-review-december-2019 • CWE-436: Interpretation Conflict •

CVSS: 6.9EPSS: 0%CPEs: 14EXPL: 1

The ESET Personal Firewall NDIS filter (EpFwNdis.sys) driver in the Firewall Module Build 1183 (20140214) and earlier in ESET Smart Security and ESET Endpoint Security products 5.0 through 7.0 allows local users to gain privileges via a crafted argument to a 0x830020CC IOCTL call. El controlador del filtro NIDS de ESET Personal Firewall (EpFwNdis.sys) en el módulo del Firewall Build 1183 (20140214) y anteriores en productos ESET Smart Security y ESET Endpoint Security 5.0 hasta 7.0 permite a usuarios locales ganar privilegios a través de un argumento manipulado en una llamada IOCTL 0x830020CC. • http://seclists.org/fulldisclosure/2014/Aug/52 https://www.portcullis-security.com/security-research-and-downloads/security-advisories/cve-2014-4973 • CWE-20: Improper Input Validation •