CVE-2019-1785 : What You Need to Know

A vulnerability in Clam AntiVirus (ClamAV) Software versions 0.101.1 and 0.101.0 could lead to a denial of service situation due to inadequate error-handling procedures when processing nested RAR files.

Understanding CVE-2019-1785

This CVE describes a flaw in Clam AntiVirus (ClamAV) Software versions 0.101.1 and 0.101.0 that could be exploited by an attacker to cause a denial of service on a vulnerable device.

What is CVE-2019-1785?

The vulnerability in Clam AntiVirus (ClamAV) Software versions 0.101.1 and 0.101.0 allows an attacker to send a manipulated RAR file to a device, potentially leading to unauthorized access or file generation on the compromised system.

The Impact of CVE-2019-1785

CVSS Base Score: 9.8 (Critical)
Attack Vector: Network
Attack Complexity: Low
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Privileges Required: None
User Interaction: None
Scope: Unchanged

Technical Details of CVE-2019-1785

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The flaw arises from inadequate error-handling procedures when handling nested RAR files on the targeted device.

Affected Systems and Versions

Affected Product: ClamAV
Vendor: Cisco
Affected Versions: 0.101.1, 0.101.0

Exploitation Mechanism

An attacker without authentication can send a manipulated RAR file to the targeted device.

Mitigation and Prevention

Protecting systems from CVE-2019-1785 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update ClamAV software to a non-vulnerable version.
Implement network security measures to prevent unauthorized access.

Long-Term Security Practices

Regularly update antivirus software and security patches.
Conduct security audits to identify and address vulnerabilities.

Patching and Updates

Apply patches provided by Cisco to address the vulnerability.