CVE-2020-14001
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Kramdown
PublishedJul 17, 2020
First seenJul 17, 2020
How to fix
Update
- kramdown_project kramdown2.3.0 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| kramdown_project kramdown | v < 2.3.0 | 2.3.0 |
| debian debian_linux | 9.0, 10.0 | — |
| fedoraproject fedora | 31, 32 | — |
| canonical ubuntu_linux | 20.04 | — |
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