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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://github.com/gettalong/kramdown ↗
- https://kramdown.gettalong.org ↗
- https://rubygems.org/gems/kramdown ↗
- https://kramdown.gettalong.org/news.html ↗
- https://github.com/gettalong/kramdown/commit/1b8fd33c3120bfc6e5164b449e2c2fc9c9306fde ↗
- https://github.com/gettalong/kramdown/compare/REL_2_2_1...REL_2_3_0 ↗
- https://security.netapp.com/advisory/ntap-20200731-0004/ ↗
- https://lists.apache.org/thread.html/r96df7899fbb456fe2705882f710a0c8e8614b573fbffd8d12e3f54d2%40%3Cnotifications.fluo.apache.org%3E ↗
- https://lists.debian.org/debian-lts-announce/2020/08/msg00014.html ↗
- https://www.debian.org/security/2020/dsa-4743 ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KBLTGBYU7NKOUOHDKVCU4GFZMGA6BP4L/ ↗
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ENMMGKHRQIZ3QKGOMBBBGB6B4LB5I7NQ/ ↗
- https://usn.ubuntu.com/4562-1/ ↗