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.
Advisories
Source ID Title
EUVD EUVD EUVD-2019-0586 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.
Github GHSA Github GHSA GHSA-958r-g534-ccmr MadsKristensen.AspNetCore.Miniblog subject to Improper Input Validation
Fixes

Solution

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Workaround

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History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-04T22:01:54.938Z

Reserved: 2019-03-15T00:00:00

Link: CVE-2019-9845

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2019-04-16T18:29:07.827

Modified: 2024-11-21T04:52:25.530

Link: CVE-2019-9845

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses