CVE-2017-6417 : Vulnerability Insights and Analysis

Avira Total Security Suite 15.0 and earlier versions are affected by a code injection vulnerability that allows a local attacker to gain complete control over Avira processes using a technique known as DoubleAgent.

Understanding CVE-2017-6417

This CVE involves a critical vulnerability in Avira security products that can be exploited by attackers to execute arbitrary code and compromise the system.

What is CVE-2017-6417?

The vulnerability in Avira Total Security Suite 15.0 and related products enables a local attacker to bypass security features, inject malicious code, and achieve full control over Avira processes through a DoubleAgent attack.

The Impact of CVE-2017-6417

The vulnerability poses a severe security risk as it allows attackers to manipulate Avira processes, potentially leading to unauthorized access, data theft, and system compromise.

Technical Details of CVE-2017-6417

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The code injection flaw in Avira products permits attackers to bypass self-protection mechanisms, inject arbitrary code, and take over Avira processes using the DoubleAgent attack technique.

Affected Systems and Versions

Avira Total Security Suite 15.0 and earlier
Avira Optimization Suite 15.0 and earlier
Avira Internet Security Suite 15.0 and earlier
Avira Free Security Suite 15.0 and earlier

Exploitation Mechanism

Attackers can exploit the vulnerability by inserting a custom Application Verifier Provider DLL in the registry's Image File Execution Options.
The self-protection mechanism in Avira products aims to prevent local processes from modifying Image File Execution Options, but this can be circumvented by attackers renaming the options temporarily.

Mitigation and Prevention

Protecting systems from CVE-2017-6417 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Avira products to the latest patched versions to mitigate the vulnerability.
Monitor system activities for any signs of unauthorized code injection or process manipulation.

Long-Term Security Practices

Implement robust endpoint security solutions to detect and prevent code injection attacks.
Educate users and administrators about the risks of code injection and the importance of regular security updates.

Patching and Updates

Regularly apply security patches and updates provided by Avira to address known vulnerabilities and enhance system security.