CVE-2020-11807

CVSS V2 Medium 4.6 CVSS V3 High 7.8
Description
Because of Unrestricted Upload of a File with a Dangerous Type, Sourcefabric Newscoop 4.4.7 allows an authenticated user to execute arbitrary PHP code (and sometimes terminal commands) on a server by making an avatar update and then visiting the avatar file under the /images/ path.
Overview
  • CVE ID
  • CVE-2020-11807
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-05-19T16:15:11
  • Last Modified Date
  • 2020-05-20T14:39:16
Weakness Enumerations
CWE URL
CWE-434 http://cwe.mitre.org/data/definitions/434.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:sourcefabric:newscoop:4.4.7:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:P/A:P
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 4.6
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 7.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 1.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://gist.github.com/V-Rico/82e9e52ac451dc20eef87b0999b3b1ee Exploit Third Party Advisory
https://github.com/sourcefabric/Newscoop/blob/3df835637609a5a42530b2a4611177c634ad6274/newscoop/library/Newscoop/Image/ImageService.php#L226 Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-11807
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11807
History
Created Old Value New Value Data Type Notes
2022-05-10 17:31:26 Added to TrackCVE
2022-12-04 16:41:37 2020-05-19T16:15Z 2020-05-19T16:15:11 CVE Published Date updated
2022-12-04 16:41:37 2020-05-20T14:39:16 CVE Modified Date updated
2022-12-04 16:41:37 Analyzed Vulnerability Status updated