{
"id": "GHSA-958r-g534-ccmr",
"aliases": [
"CVE-2019-9845"
],
"details": "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.",
"summary": "MadsKristensen.AspNetCore.Miniblog subject to Improper Input Validation",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"last_affected": "1.0.3"
}
]
}
],
"package": {
"name": "MadsKristensen.AspNetCore.Miniblog",
"ecosystem": "NuGet"
}
}
],
"modified": "2022-09-17T00:54:46Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"published": "2019-07-05T21:11:13Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-9845",
"type": "ADVISORY"
},
{
"url": "https://github.com/advisories/GHSA-958r-g534-ccmr",
"type": "ADVISORY"
},
{
"url": "https://github.com/madskristensen/Miniblog.Core",
"type": "PACKAGE"
},
{
"url": "https://github.com/madskristensen/Miniblog.Core/blob/master/src/Controllers/BlogController.cs#L142",
"type": "WEB"
},
{
"url": "https://rastating.github.io/miniblog-remote-code-execution",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-20"
],
"severity": "CRITICAL",
"github_reviewed": true,
"nvd_published_at": null,
"github_reviewed_at": "2020-06-16T21:27:35Z"
}
}