CVE Vulnerability

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 in app_code/handlers/PostHandler.cs writes a decoded base64 string to a file without validating the extension.

6.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7.2 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://rastating.github.io/miniblog-remote-code-execution/ Exploit Third Party Advisory
https://github.com/madskristensen/MiniBlog/blob/1a7ae45ddba484e2c8f808e288e018748c9ddb57/Website/app_code/handlers/PostHandler.cs#L85 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:miniblog_project:miniblog:*:*:*:*:*:*:*:*
Information

Published : 2019-06-14 08:29

Updated : 2019-06-19 06:16

NVD link : CVE-2019-9842

Mitre link : CVE-2019-9842

Products Affected
No products.
CWE
CWE-434