CVE-2017-7250 : What You Need to Know
Learn about CVE-2017-7250, a Cross-Site Scripting (XSS) vulnerability in Gazelle before March 19, 2017, enabling attackers to execute arbitrary HTML and script code within a user's browser.
A security flaw known as Cross-Site Scripting (XSS) was discovered in Gazelle before March 19, 2017, allowing attackers to execute arbitrary HTML and script code within a user's browser.
Understanding CVE-2017-7250
Before March 19, 2017, a Cross-Site Scripting (XSS) vulnerability was found in Gazelle due to inadequate filtration of user-supplied data in a specific URL.
What is CVE-2017-7250?
The vulnerability in Gazelle arises from the lack of proper filtration of user-supplied data, specifically the 'action' parameter in the 'Gazelle-master/sections/tools/finances/bitcoin_balance.php' URL. This flaw enables attackers to inject and execute malicious HTML and script code within the website's framework.
The Impact of CVE-2017-7250
Exploiting this vulnerability allows attackers to run arbitrary HTML and script code within a user's browser, operating within the website's vulnerable framework.
Technical Details of CVE-2017-7250
A Cross-Site Scripting (XSS) vulnerability was discovered in Gazelle before March 19, 2017, due to insufficient filtration of user-supplied data passed to a specific URL.
Vulnerability Description
The XSS vulnerability in Gazelle allows attackers to execute arbitrary HTML and script code within a user's browser.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Version: n/a
Exploitation Mechanism
Attackers exploit the lack of proper filtration of user-supplied data, specifically the 'action' parameter in the vulnerable URL, to inject and execute malicious code.
Mitigation and Prevention
To address CVE-2017-7250, follow these steps:
Immediate Steps to Take
- Implement input validation and output encoding to prevent XSS attacks.
- Regularly monitor and update security patches for the affected system.
Long-Term Security Practices
- Conduct regular security audits and penetration testing to identify and address vulnerabilities.
- Educate developers on secure coding practices to prevent similar issues in the future.
Patching and Updates
- Apply security patches provided by the software vendor to fix the XSS vulnerability in Gazelle.