CVE-2017-15092 : Vulnerability Insights and Analysis

A cross-site scripting vulnerability has been identified in PowerDNS Recursor versions 4.0.0 through 4.0.6, allowing attackers to inject malicious code into the web interface.

Understanding CVE-2017-15092

An unaddressed cross-site scripting vulnerability has been discovered in the PowerDNS Recursor web interface versions 4.0.0 through 4.0.6. This vulnerability enables an attacker to inject potentially harmful HTML and JavaScript code into the web interface, resulting in tampered content.

What is CVE-2017-15092?

CVE-2017-15092 is a cross-site scripting issue found in the web interface of PowerDNS Recursor versions 4.0.0 up to and including 4.0.6. It allows remote attackers to insert HTML and JavaScript code into the web interface, altering the displayed content.

The Impact of CVE-2017-15092

Attackers can exploit this vulnerability to inject malicious code into the PowerDNS Recursor web interface.
This could lead to unauthorized access, data theft, and manipulation of the web interface content.

Technical Details of CVE-2017-15092

A detailed look at the technical aspects of this vulnerability.

Vulnerability Description

The vulnerability in PowerDNS Recursor versions 4.0.0 through 4.0.6 allows attackers to inject harmful HTML and JavaScript code into the web interface, potentially compromising the integrity of the content.

Affected Systems and Versions

Product: PowerDNS Recursor
Vendor: PowerDNS
Versions Affected: 4.0.0 up to and including 4.0.6

Exploitation Mechanism

Attackers can exploit the vulnerability by injecting malicious code into the web interface, taking advantage of the lack of proper escaping of DNS query qname, allowing for the alteration of displayed content.

Mitigation and Prevention

Measures to address and prevent the exploitation of CVE-2017-15092.

Immediate Steps to Take

Update PowerDNS Recursor to a non-vulnerable version beyond 4.0.6.
Implement input validation and output encoding to prevent XSS attacks.

Long-Term Security Practices

Regularly monitor and audit web interfaces for vulnerabilities.
Educate developers and administrators on secure coding practices to prevent XSS vulnerabilities.

Patching and Updates

Stay informed about security advisories from PowerDNS and apply patches promptly to mitigate known vulnerabilities.