CVE-2019-12469 : Exploit Details and Defense Strategies
Learn about CVE-2019-12469 affecting MediaWiki versions up to 1.32.1. Find out the impact, technical details, and mitigation steps for this access control flaw.
MediaWiki versions up to 1.32.1 are affected by an access control flaw that exposes suppressed username or log-in details on the Special:EditTags page. Learn about the impact, technical details, and mitigation steps for this CVE.
Understanding CVE-2019-12469
MediaWiki through version 1.32.1 has an Incorrect Access Control vulnerability that allows the exposure of suppressed usernames or log-ins on the Special:EditTags page. The issue has been addressed in versions 1.32.2, 1.31.2, 1.30.2, and 1.27.6.
What is CVE-2019-12469?
CVE-2019-12469 is a vulnerability in MediaWiki versions up to 1.32.1 that results in the exposure of suppressed username or log-in details on the Special:EditTags page.
The Impact of CVE-2019-12469
The vulnerability allows unauthorized users to view suppressed information, potentially compromising user privacy and security.
Technical Details of CVE-2019-12469
MediaWiki versions up to 1.32.1 are affected by an access control flaw that exposes suppressed username or log-in details on the Special:EditTags page.
Vulnerability Description
The flaw in access control in MediaWiki versions up to 1.32.1 leads to the exposure of suppressed username or log-in details on the Special:EditTags page.
Affected Systems and Versions
- Affected Systems: MediaWiki versions up to 1.32.1
- Fixed Versions: MediaWiki versions 1.32.2, 1.31.2, 1.30.2, and 1.27.6
Exploitation Mechanism
Unauthorized users can exploit this vulnerability to access suppressed username or log-in details on the Special:EditTags page.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the impact of CVE-2019-12469.
Immediate Steps to Take
- Update MediaWiki to the fixed versions: 1.32.2, 1.31.2, 1.30.2, or 1.27.6
- Monitor user access and review logs for any unauthorized activities
Long-Term Security Practices
- Regularly update software and apply security patches
- Implement strong access control mechanisms to prevent unauthorized access
Patching and Updates
- Ensure timely installation of security updates and patches provided by MediaWiki