CVE-2019-9845

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 v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/madskristensen/Miniblog.Core/blob/master/src/Controllers/BlogController.cs#L142	Third Party Advisory
https://rastating.github.io/miniblog-remote-code-execution/	Exploit Third Party Advisory
https://github.com/madskristensen/Miniblog.Core/blob/master/src/Controllers/BlogController.cs#L142	Third Party Advisory
https://rastating.github.io/miniblog-remote-code-execution/	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:miniblog.core_project:miniblog.core:*:*:*:*:*:*:*:*

History

21 Nov 2024, 04:52

Type	Values Removed	Values Added
References	~~() https://github.com/madskristensen/Miniblog.Core/blob/master/src/Controllers/BlogController.cs#L142 - Third Party Advisory~~	() https://github.com/madskristensen/Miniblog.Core/blob/master/src/Controllers/BlogController.cs#L142 - Third Party Advisory
References	~~() https://rastating.github.io/miniblog-remote-code-execution/ - Exploit, Third Party Advisory~~	() https://rastating.github.io/miniblog-remote-code-execution/ - Exploit, Third Party Advisory

Information

Published : 2019-04-16 18:29

Updated : 2024-11-21 04:52

NVD link : CVE-2019-9845

Mitre link : CVE-2019-9845

CVE.ORG link : CVE-2019-9845

JSON object : View

Products Affected

miniblog.core_project

miniblog.core

CWE

CWE-20

Improper Input Validation

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