CVE-2020-10803 : Security Advisory and Response
Learn about CVE-2020-10803, a SQL injection vulnerability in phpMyAdmin versions 4.x before 4.9.5 and 5.x before 5.0.2, potentially leading to XSS attacks. Find mitigation steps and preventive measures here.
In phpMyAdmin 4.x before 4.9.5 and 5.x before 5.0.2, a SQL injection vulnerability was discovered that could lead to an XSS attack. This CVE focuses on the exploitation through tbl_get_field.php and libraries/classes/Display/Results.php.
Understanding CVE-2020-10803
This CVE identifies a security vulnerability in phpMyAdmin versions 4.x before 4.9.5 and 5.x before 5.0.2 that could allow an attacker to execute a SQL injection attack leading to cross-site scripting (XSS) exploitation.
What is CVE-2020-10803?
CVE-2020-10803 is a security vulnerability in phpMyAdmin versions 4.x before 4.9.5 and 5.x before 5.0.2 that enables a SQL injection attack, potentially leading to an XSS exploit.
The Impact of CVE-2020-10803
The vulnerability allows malicious actors to insert crafted data into specific database tables, triggering an XSS attack when the data is retrieved, such as through the Browse tab in phpMyAdmin.
Technical Details of CVE-2020-10803
This section delves into the technical aspects of the CVE.
Vulnerability Description
The vulnerability in phpMyAdmin versions 4.x before 4.9.5 and 5.x before 5.0.2 allows for SQL injection, which can be exploited to trigger an XSS attack through the display of results in certain PHP files.
Affected Systems and Versions
- Systems running phpMyAdmin 4.x before 4.9.5
- Systems running phpMyAdmin 5.x before 5.0.2
Exploitation Mechanism
The attacker needs the ability to insert malicious data into specific database tables. When this data is retrieved, for example, through the Browse tab, it can trigger the XSS attack.
Mitigation and Prevention
Protecting systems from CVE-2020-10803 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update phpMyAdmin to versions 4.9.5 or 5.0.2, which contain patches for this vulnerability.
- Monitor database tables for any suspicious or crafted data.
Long-Term Security Practices
- Regularly update and patch software to prevent known vulnerabilities.
- Implement input validation and sanitization to mitigate SQL injection risks.
Patching and Updates
Ensure timely installation of security patches and updates for phpMyAdmin to address CVE-2020-10803.