CVE-2020-14001

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.

References

https://www.debian.org/security/2020/dsa-4743

https://usn.ubuntu.com/4562-1/

https://security.netapp.com/advisory/ntap-20200731-0004/

https://rubygems.org/gems/kramdown

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://lists.debian.org/debian-lts-announce/2020/08/msg00014.html

https://lists.apache.org/thread.html/r96df7899fbb456fe2705882f710a0c8e8614b573fbffd8d12e3f54d2%40%3Cnotifications.fluo.apache.org%3E

https://kramdown.gettalong.org/news.html

https://kramdown.gettalong.org

https://github.com/gettalong/kramdown/compare/REL_2_2_1...REL_2_3_0

https://github.com/gettalong/kramdown/commit/1b8fd33c3120bfc6e5164b449e2c2fc9c9306fde

https://github.com/gettalong/kramdown

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3