high7.2
CVE-2019-9842
madskristensen MiniBlog through 2018-05-18 allows remote attackers to execute arbitrary ASPX code via an IMG element with a data: URL, because SaveFilesToDisk …
Impact
madskristensen MiniBlog through 2018-05-18 allows remote attackers to execute arbitrary ASPX code via an IMG element with a data: URL, because SaveFilesToDisk in app_code/handlers/PostHandler.cs writes a decoded base64 string to a file without validating the extension.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Miniblog Project | Miniblog | through 2018-05-18 |
Weakness classification
References
- NVD record
- CVE.org record
- https://github.com/madskristensen/MiniBlog/blob/1a7ae45ddba484e2c8f808e288e018748c9ddb57/Website/app_code/handlers/PostHandler.cs#L85
- https://rastating.github.io/miniblog-remote-code-execution/
- https://github.com/madskristensen/MiniBlog/blob/1a7ae45ddba484e2c8f808e288e018748c9ddb57/Website/app_code/handlers/PostHandler.cs#L85
- https://rastating.github.io/miniblog-remote-code-execution/