Upstream information

CVE-2021-28834 at MITRE

Description

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

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having critical severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 6.8
Vector AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 9.8 9.8
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network Network
Attack Complexity Low Low
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact High High
Integrity Impact High High
Availability Impact High High
CVSSv3 Version 3.1 3.1
SUSE Bugzilla entry: 1183814 [RESOLVED / FIXED]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
openSUSE Tumbleweed
  • ruby2.7-rubygem-kramdown >= 2.3.1-1.3
  • ruby3.0-rubygem-kramdown >= 2.3.1-1.3
  • ruby3.1-rubygem-kramdown >= 2.4.0-1.1
  • ruby3.2-rubygem-kramdown >= 2.4.0-1.8
  • ruby3.3-rubygem-kramdown >= 2.4.0-1.12
 Patchnames:
openSUSE-Tumbleweed-2024-11336
openSUSE-Tumbleweed-2024-12038
openSUSE-Tumbleweed-2024-13161
openSUSE-Tumbleweed-2024-14170

Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise High Availability Extension 15 SP5 rubygem-kramdown Not affected
SUSE Linux Enterprise High Availability Extension 15 SP6 rubygem-kramdown Not affected
openSUSE Leap 15.5 rubygem-kramdown Not affected
openSUSE Leap 15.6 rubygem-kramdown Not affected
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise High Availability Extension 15 SP2 rubygem-kramdown Not affected
SUSE Linux Enterprise High Availability Extension 15 SP3 rubygem-kramdown Not affected
SUSE Linux Enterprise High Availability Extension 15 SP4 rubygem-kramdown Not affected
Products past their end of life and not receiving proactive updates anymore.
SUSE Linux Enterprise High Availability Extension 15 rubygem-kramdown Not affected
SUSE Linux Enterprise High Availability Extension 15 SP1 rubygem-kramdown Not affected
openSUSE Leap 15.3 rubygem-kramdown Not affected
openSUSE Leap 15.4 rubygem-kramdown Not affected

SUSE Timeline for this CVE

CVE page created: Fri Mar 19 16:50:20 2021
CVE page last modified: Tue Sep 3 19:20:13 2024