Executive Summary

Informations
Name CVE-2019-10842 First vendor Publication 2019-04-04
Vendor Cve Last vendor Modification 2019-04-11

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:C/I:C/A:C)
Cvss Base Score 10 Attack Range Network
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Arbitrary code execution (via backdoor code) was discovered in bootstrap-sass 3.2.0.3, when downloaded from rubygems.org. An unauthenticated attacker can craft the ___cfduid cookie value with base64 arbitrary code to be executed via eval(), which can be leveraged to execute arbitrary code on the target system. Note that there are three underscore characters in the cookie name. This is unrelated to the __cfduid cookie that is legitimately used by Cloudflare.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-10842

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-94 Failure to Control Generation of Code ('Code Injection')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1

Sources (Detail)

Source Url
MISC http://dgb.github.io/2019/04/05/bootstrap-sass-backdoor.html
https://github.com/twbs/bootstrap-sass/issues/1195
https://snyk.io/blog/malicious-remote-code-execution-backdoor-discovered-in-t...
https://snyk.io/vuln/SNYK-RUBY-BOOTSTRAPSASS-174093

Alert History

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Date Informations
2021-05-04 13:21:30
  • Multiple Updates
2021-04-22 02:36:31
  • Multiple Updates
2020-05-23 02:21:17
  • Multiple Updates
2019-04-12 00:19:06
  • Multiple Updates
2019-04-09 12:09:12
  • Multiple Updates
2019-04-04 09:18:57
  • First insertion