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Ubuntu: (Multiple Advisories) (CVE-2020-14001): kramdown vulnerability

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Ubuntu: (Multiple Advisories) (CVE-2020-14001): kramdown vulnerability

Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
06/28/2020
Created
10/02/2020
Added
10/01/2020
Modified
03/22/2023

Description

The kramdown gem before 2.3.0 for Ruby processes the template option inside Kramdown documents by default, which allows unintended read access (such as template="/etc/passwd") or unintended embedded Ruby code execution (such as a string that begins with template="string://<%= `). NOTE: kramdown is used in Jekyll, GitLab Pages, GitHub Pages, and Thredded Forum.

Solution(s)

  • ubuntu-upgrade-kramdown
  • ubuntu-upgrade-ruby-kramdown

References

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