Unintended read access in kramdown gem
Published: June 28, 2020
SECURITY IDENTIFIERS
- CVE: CVE-2020-14001 (NVD)
- GHSA: GHSA-mqm2-cgpr-p4m6
GEM
SEVERITY
PATCHED VERSIONS
>= 2.3.0
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.