Vulnerability CVE-2020-14001
Published: 2020-07-17

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.

Type:

CWE-74

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Kramdown project -> Kramdown 

 References:
https://github.com/gettalong/kramdown
https://github.com/gettalong/kramdown/commit/1b8fd33c3120bfc6e5164b449e2c2fc9c9306fde
https://github.com/gettalong/kramdown/compare/REL_2_2_1...REL_2_3_0
https://kramdown.gettalong.org
https://kramdown.gettalong.org/news.html
https://rubygems.org/gems/kramdown
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