CVE-2020-9264 : Exploit Details and Defense Strategies

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 various ESET security products.

Understanding CVE-2020-9264

This CVE describes a vulnerability in ESET security products that could allow an attacker to bypass virus detection mechanisms.

What is CVE-2020-9264?

CVE-2020-9264 is a security vulnerability in ESET Archive Support Module that enables bypassing virus detection by manipulating the Compression Information Field in a ZIP archive.

The Impact of CVE-2020-9264

The vulnerability could be exploited by attackers to evade virus detection, potentially leading to malware infiltration and compromise of systems protected by affected ESET products.

Technical Details of CVE-2020-9264

ESET Archive Support Module before version 1296 is susceptible to this bypass vulnerability.

Vulnerability Description

The flaw allows attackers to bypass virus detection by using a specially crafted Compression Information Field in a ZIP archive.

Affected Systems and Versions

Versions before 1294 of the following ESET products are impacted:

Smart Security Premium
Internet Security
NOD32 Antivirus
Cyber Security Pro (macOS)
Cyber Security (macOS)
Mobile Security for Android
Smart TV Security
NOD32 Antivirus 4 for Linux Desktop

Exploitation Mechanism

By exploiting the vulnerability in the Compression Information Field of a ZIP archive, attackers can evade virus detection mechanisms in affected ESET products.

Mitigation and Prevention

To address CVE-2020-9264, users of ESET products should take immediate steps and adopt long-term security practices.

Immediate Steps to Take

Update ESET products to version 1296 or later to mitigate the vulnerability.
Be cautious when handling ZIP archives from untrusted sources.

Long-Term Security Practices

Regularly update ESET security products to the latest versions to ensure protection against known vulnerabilities.
Educate users on safe browsing habits and the risks associated with opening files from unknown sources.

Patching and Updates

ESET has released version 1296 to address the vulnerability. Users should promptly update their ESET products to the latest version to safeguard against this security issue.