CVE-2019-8933: Malicious File Upload
First published: Tue Feb 19 2019(Updated: )
In DedeCMS 5.7SP2, attackers can upload a .php file to the uploads/ directory (without being blocked by the Web Application Firewall), and then execute this file, via this sequence of steps: visiting the management page, clicking on the template, clicking on Default Template Management, clicking on New Template, and modifying the filename from ../index.html to ../index.php.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Dedecms v6 | =5.7-sp2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-8933?
CVE-2019-8933 is considered a critical vulnerability due to its ability to allow remote code execution.
How do I fix CVE-2019-8933?
To fix CVE-2019-8933, upgrade DedeCMS to a version that is not affected, specifically any version beyond 5.7SP2.
What kind of attack does CVE-2019-8933 enable?
CVE-2019-8933 enables attackers to upload and execute malicious PHP files on the server.
What systems are affected by CVE-2019-8933?
CVE-2019-8933 affects DedeCMS version 5.7SP2.
Can CVE-2019-8933 be exploited without authentication?
Yes, CVE-2019-8933 can be exploited without authentication if the attacker accesses the management interface.
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