CVE-2019-9845

CVSS V2 High 7.5 CVSS V3 Critical 9.8
Description
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.
Overview
  • CVE ID
  • CVE-2019-9845
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-04-16T18:29:07
  • Last Modified Date
  • 2019-04-17T13:40:57
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:miniblog.core_project:miniblog.core:*:*:*:*:*:*:*:* 1 OR 2019-01-16
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 7.5
  • Severity
  • HIGH
  • Exploitability Score
  • 10
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.0
  • Vector String
  • CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.8
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 3.9
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-9845
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9845
History
Created Old Value New Value Data Type Notes
2022-05-10 17:43:35 Added to TrackCVE
2022-12-03 19:37:26 2019-04-16T18:29Z 2019-04-16T18:29:07 CVE Published Date updated
2022-12-03 19:37:26 2019-04-17T13:40:57 CVE Modified Date updated
2022-12-03 19:37:26 Analyzed Vulnerability Status updated