Executive Summary

Informations
Name CVE-2020-5299 First vendor Publication 2020-06-03
Vendor Cve Last vendor Modification 2022-06-30

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:L
Overall CVSS Score 5.1
Base Score 5.1 Environmental Score 5.1
impact SubScore 3.7 Temporal Score 5.1
Exploitabality Sub Score 1
 
Attack Vector Network Attack Complexity High
Privileges Required High User Interaction Required
Scope Changed Confidentiality Impact Low
Integrity Impact Low Availability Impact Low
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:H/Au:S/C:P/I:P/A:P)
Cvss Base Score 4.6 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity High
Cvss Expoit Score 3.9 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, any users with the ability to modify any data that could eventually be exported as a CSV file from the `ImportExportController` could potentially introduce a CSV injection into the data to cause the generated CSV export file to be malicious. This requires attackers to achieve the following before a successful attack can be completed: 1. Have found a vulnerability in the victims spreadsheet software of choice. 2. Control data that would potentially be exported through the `ImportExportController` by a theoretical victim. 3. Convince the victim to export above data as a CSV and run it in vulnerable spreadsheet software while also bypassing any sanity checks by said software. Issue has been patched in Build 466 (v1.0.466).

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-5299

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-77 Improper Sanitization of Special Elements used in a Command ('Command Injection')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 5

Sources (Detail)

Source Url
CONFIRM https://github.com/octobercms/october/security/advisories/GHSA-4rhm-m2fp-hx7q
FULLDISC http://seclists.org/fulldisclosure/2020/Aug/2
MISC http://packetstormsecurity.com/files/158730/October-CMS-Build-465-XSS-File-Re...
https://github.com/octobercms/library/commit/c84bf03f506052c848f2fddc05f24be6...
https://github.com/octobercms/october/commit/802d8c8e09a2b342649393edb6d3ceb9...

Alert History

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Date Informations
2022-06-30 21:27:53
  • Multiple Updates
2021-05-04 14:01:49
  • Multiple Updates
2021-04-22 03:07:58
  • Multiple Updates
2020-08-04 17:22:55
  • Multiple Updates
2020-08-04 00:22:54
  • Multiple Updates
2020-06-09 05:22:53
  • Multiple Updates
2020-06-04 17:22:54
  • Multiple Updates
2020-06-04 05:22:44
  • First insertion