CVE-2022-35651 Explained : Impact and Mitigation
Learn about CVE-2022-35651, a stored XSS and blind SSRF vulnerability in Moodle impacting versions 4.0.2, 3.11.8, and 3.9.15. Explore its impact, technical details, and mitigation steps.
A detailed overview of CVE-2022-35651, a stored XSS and blind SSRF vulnerability found in Moodle that could potentially lead to the execution of arbitrary code.
Understanding CVE-2022-35651
In this section, we will delve into the nature of the vulnerability and its impact.
What is CVE-2022-35651?
CVE-2022-35651 is a stored XSS and blind SSRF vulnerability discovered in Moodle. The issue arises from insufficient sanitization of user-supplied data in the SCORM track details, allowing a remote attacker to execute arbitrary HTML and script code in the user's browser.
The Impact of CVE-2022-35651
The vulnerability may enable malicious actors to trick victims into following specially crafted links, leading to the execution of arbitrary code in the context of the vulnerable website. This can result in the theft of sensitive information, changes to the appearance of web pages, and the facilitation of phishing and drive-by-download attacks.
Technical Details of CVE-2022-35651
This section will provide technical insights into the vulnerability.
Vulnerability Description
The vulnerability in Moodle arises due to inadequate sanitization of user inputs in SCORM track details, allowing for the execution of malicious code in the victim's browser.
Affected Systems and Versions
Moodle versions affected include moodle 4.0.2, moodle 3.11.8, and moodle 3.9.15. Users of these versions are at risk of exploitation.
Exploitation Mechanism
Attackers exploit the vulnerability by manipulating user-supplied data in SCORM track details to execute arbitrary HTML and script code remotely.
Mitigation and Prevention
In this section, we will discuss steps to mitigate the risks associated with CVE-2022-35651.
Immediate Steps to Take
Users are advised to update their Moodle installations to the fixed versions (moodle 4.0.2, moodle 3.11.8, moodle 3.9.15) to prevent exploitation of the vulnerability.
Long-Term Security Practices
Implementing secure coding practices and regularly updating Moodle installations can help prevent similar vulnerabilities in the future.
Patching and Updates
Regularly check for security updates and patches released by Moodle to address known vulnerabilities and enhance system security.