GHSA-958r-g534-ccmr

Suggest an improvement
Source
https://github.com/advisories/GHSA-958r-g534-ccmr
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2019/07/GHSA-958r-g534-ccmr/GHSA-958r-g534-ccmr.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-958r-g534-ccmr
Aliases
  • CVE-2019-9845
Published
2019-07-05T21:11:13Z
Modified
2024-02-19T05:32:27.163063Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
MadsKristensen.AspNetCore.Miniblog subject to Improper Input Validation
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.

Database specific
{
    "nvd_published_at": null,
    "cwe_ids": [
        "CWE-20"
    ],
    "severity": "CRITICAL",
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T21:27:35Z"
}
References

Affected packages

NuGet / MadsKristensen.AspNetCore.Miniblog

Package

Name
MadsKristensen.AspNetCore.Miniblog
View open source insights on deps.dev
Purl
pkg:nuget/MadsKristensen.AspNetCore.Miniblog

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Last affected
1.0.3

Affected versions

1.*

1.0.0
1.0.1
1.0.2
1.0.3