ESET Privilege Escalation Flaw Let Attackers Delete Arbitrary Files

ESET, a cybersecurity firm, has released patches for a high-severity vulnerability identified in several Windows-based security products, including consumer, business, and server security.

The vulnerability tracked as CVE-2024-0353 has a CVSS score of 7.8 and was identified in the real-time file system protection feature of ESET’s products, which handles file operations.

The Real-time file system protection feature on Windows OS is found to be vulnerable in handling file operations. This vulnerability can potentially be exploited and cause security issues.

The vulnerability in question could allow an attacker to exploit ESET’s file operations, which are carried out by the Real-time file system protection feature, to delete files without the required permission, reads the advisory.

The flaw can be exploited by an attacker with low privileges to delete arbitrary files with System privileges. The vulnerability allows an attacker to misuse ESET’s file operations to delete files without proper permission.

Researchers with Trend Micro’s ZDI reported the security defect, and the company has no evidence of in-the-wild exploitation.

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Versions and programs that are impacted

ESET’s Windows antivirus, endpoint, server products, email security, and products for Exchange Server, IBM Domino, SharePoint Server, and Azure are all affected.

Patches for the vulnerability have been released for various products, including NOD32 Antivirus, Internet Security, Smart Security Premium, Security Ultimate, Endpoint Antivirus, Endpoint Security for Windows, Server Security for Windows Server, Mail Security for Exchange Server and IBM Domino, and ESET Security for SharePoint Server.

ESET recommends that customers using File Security for Microsoft Azure migrate to Server Security for Windows Server. However, the list of affected products does not include ESET products that have reached their end-of-life (EOL) status.

Given the high privileges of security products, exploiting vulnerabilities in these applications could have disastrous consequences. ESET advises its customers to apply the available patches as soon as possible.

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