CVE-2017-12379 : Exploit Details and Defense Strategies

ClamAV AntiVirus software versions 0.99.2 and prior have a vulnerability that could lead to a denial of service (DoS) or potential execution of arbitrary code. This CVE was published on January 26, 2018, by Cisco.

Understanding CVE-2017-12379

This CVE affects ClamAV AntiVirus software versions 0.99.2 and earlier, potentially allowing remote unauthenticated attackers to exploit the vulnerability.

What is CVE-2017-12379?

The vulnerability in ClamAV AntiVirus software versions 0.99.2 and prior could be exploited by unauthenticated remote attackers, leading to a DoS situation or potential execution of arbitrary code on the targeted device.

The Impact of CVE-2017-12379

Inadequate validation of input during message parsing on affected systems
Possibility of a buffer overflow in the message parsing function
Potential for DoS or execution of arbitrary code on the affected device

Technical Details of CVE-2017-12379

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability arises from inadequate validation of input during the parsing of messages on the affected system, potentially leading to a buffer overflow condition.

Affected Systems and Versions

ClamAV AntiVirus software versions 0.99.2 and prior

Exploitation Mechanism

An unauthenticated remote attacker needs to send a specially crafted email to the affected device
Buffer overflow may occur in the message parsing function, enabling potential DoS or arbitrary code execution

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2017-12379.

Immediate Steps to Take

Update ClamAV AntiVirus 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 and penetration testing to identify vulnerabilities

Patching and Updates

Apply security patches provided by ClamAV promptly to address the vulnerability