Executive Summary

Informations
Name CVE-2021-28834 First vendor Publication 2021-03-19
Vendor Cve Last vendor Modification 2021-04-19

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:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Kramdown before 2.3.1 does not restrict Rouge formatters to the Rouge::Formatters namespace, and thus arbitrary classes can be instantiated.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28834

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 1
Os 3

Sources (Detail)

Source Url
DEBIAN https://www.debian.org/security/2021/dsa-4890
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
MISC https://github.com/gettalong/kramdown/compare/REL_2_3_0...REL_2_3_1
https://github.com/gettalong/kramdown/pull/708
https://gitlab.com/gitlab-org/gitlab/-/commit/179329b5c3c118924fb242dc449d06b...

Alert History

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Date Informations
2021-05-04 14:09:53
  • Multiple Updates
2021-04-22 00:23:04
  • Multiple Updates
2021-04-20 05:22:55
  • Multiple Updates
2021-04-13 17:23:03
  • Multiple Updates
2021-03-31 17:23:02
  • Multiple Updates
2021-03-30 21:23:25
  • Multiple Updates
2021-03-26 21:23:24
  • Multiple Updates
2021-03-26 12:38:40
  • First insertion