Vulnerability Description
madskristensen Miniblog.Core through 2019-01-16 allows remote attackers to execute arbitrary ASPX code via an IMG element with a data: URL, because SaveFilesToDisk in Controllers/BlogController.cs writes a decoded base64 string to a file without validating the extension.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Miniblog.Core Project | Miniblog.Core | <= 2019-01-16 |
Related Weaknesses (CWE)
References
- https://github.com/madskristensen/Miniblog.Core/blob/master/src/Controllers/BlogThird Party Advisory
- https://rastating.github.io/miniblog-remote-code-execution/ExploitThird Party Advisory
- https://github.com/madskristensen/Miniblog.Core/blob/master/src/Controllers/BlogThird Party Advisory
- https://rastating.github.io/miniblog-remote-code-execution/ExploitThird Party Advisory
FAQ
What is CVE-2019-9845?
CVE-2019-9845 is a vulnerability with a CVSS score of 9.8 (CRITICAL). madskristensen Miniblog.Core through 2019-01-16 allows remote attackers to execute arbitrary ASPX code via an IMG element with a data: URL, because SaveFilesToDisk in Controllers/BlogController.cs wri...
How severe is CVE-2019-9845?
CVE-2019-9845 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2019-9845?
Check the references section above for vendor advisories and patch information. Affected products include: Miniblog.Core Project Miniblog.Core.