CVE-2017-7489 : Exploit Details and Defense Strategies
Learn about CVE-2017-7489 affecting Moodle 2.x and 3.x, allowing authenticated users to control blogs by editing external links. Find mitigation steps and patching advice here.
In Moodle versions 2.x and 3.x, remote authenticated users have the ability to gain control over any blogs by modifying an external blog link.
Understanding CVE-2017-7489
In this CVE, Moodle versions 2.x and 3.x are affected by an incorrect access control vulnerability that allows authenticated users to manipulate external blog links.
What is CVE-2017-7489?
This CVE refers to a security flaw in Moodle versions 2.x and 3.x that enables remote authenticated users to take ownership of arbitrary blogs by editing external blog links.
The Impact of CVE-2017-7489
The vulnerability allows attackers with authenticated access to Moodle to compromise the integrity of blogs by modifying external blog links, potentially leading to unauthorized control over blog content.
Technical Details of CVE-2017-7489
Vulnerability Description
- Type: Incorrect access control
- Affected Versions: Moodle 2.x and 3.x
Affected Systems and Versions
- Product: Moodle 2.x and 3.x
- Vendor: Not applicable
- Versions: Moodle 2.x and 3.x
Exploitation Mechanism
The vulnerability can be exploited by authenticated users to manipulate external blog links and gain control over blogs within the Moodle platform.
Mitigation and Prevention
Immediate Steps to Take
- Update Moodle to the latest patched version.
- Monitor blog activities for any unauthorized changes.
Long-Term Security Practices
- Educate users on secure blog management practices.
- Implement role-based access controls to limit blog editing permissions.
Patching and Updates
Apply security patches provided by Moodle to address the access control vulnerability and prevent unauthorized blog manipulation.