CVE-2022-27167 : Vulnerability Insights and Analysis

A privilege escalation vulnerability in ESET products for Windows allows attackers to exploit certain features, leading to arbitrary file deletion in affected versions.

Understanding CVE-2022-27167

This vulnerability, assigned CVE-2022-27167, impacts various ESET products for Windows, potentially enabling unauthorized deletion of files.

What is CVE-2022-27167?

CVE-2022-27167 is a privilege escalation vulnerability in ESET products for Windows that could be exploited by attackers to trigger arbitrary file deletion through specific features.

The Impact of CVE-2022-27167

The vulnerability poses a high severity risk with a CVSS base score of 7.1, allowing attackers with low privileges to delete files on affected systems, potentially leading to data loss or system instability.

Technical Details of CVE-2022-27167

This section delves into the specifics of the vulnerability.

Vulnerability Description

The vulnerability stems from inadequate handling of permissions or privileges, enabling attackers to misuse the 'Repair' and 'Uninstall' features, triggering file deletion.

Affected Systems and Versions

The following ESET products and versions are affected:

ESET NOD32 Antivirus 11.2 versions prior to 15.1.12.0
ESET Internet Security 11.2 versions prior to 15.1.12.0
ESET Smart Security Premium 11.2 versions prior to 15.1.12.0
ESET Endpoint Antivirus 6.0 versions prior to 9.0.2046.0
ESET Endpoint Security 6.0 versions prior to 9.0.2046.0
ESET Server Security for Microsoft Windows Server 8.0 versions prior to 9.0.12012.0
ESET File Security for Microsoft Windows Server version 8.0.12013.0
ESET Mail Security for Microsoft Exchange Server 6.0 versions prior to 8.0.10020.0
ESET Mail Security for IBM Domino 6.0 versions prior to 8.0.14011.0
ESET Security for Microsoft SharePoint Server 6.0 versions prior to 8.0.15009.0

Exploitation Mechanism

The vulnerability can be exploited through local access, with low complexity, and high availability impact, making it crucial for users to apply necessary security precautions.

Mitigation and Prevention

Addressing CVE-2022-27167 requires immediate action and long-term security measures to prevent potential exploitation.

Immediate Steps to Take

Update ESET products to versions that are not susceptible to the vulnerability.
Monitor critical files and system changes for signs of unauthorized deletions.

Long-Term Security Practices

Regularly update and patch ESET products to the latest secure versions.
Enforce the principle of least privilege to restrict unnecessary permissions.

Patching and Updates

Stay informed about security updates from ESET and apply patches promptly to mitigate any emerging threats.