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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 4.28% Top 15%
Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory ubuntu.com Vendor Advisory gettalong.org Vendor Advisory gettalong.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/gettalong/kramdown third party advisory
https://kramdown.gettalong.org vendor advisory
https://rubygems.org/gems/kramdown third party advisory
https://kramdown.gettalong.org/news.html release notes vendor advisory
https://github.com/gettalong/kramdown/commit/1b8fd33c3120bfc6e5164b449e2c2fc9c9306fde third party advisory patch
https://github.com/gettalong/kramdown/compare/REL_2_2_1...REL_2_3_0 third party advisory patch
https://security.netapp.com/advisory/ntap-20200731-0004/ third party advisory
https://lists.apache.org/thread.html/r96df7899fbb456fe2705882f710a0c8e8614b573fbffd8d12e3f54d2%40%3Cnotifications.fluo.apache.org%3E mailing list
https://lists.debian.org/debian-lts-announce/2020/08/msg00014.html third party advisory mailing list
https://www.debian.org/security/2020/dsa-4743 third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KBLTGBYU7NKOUOHDKVCU4GFZMGA6BP4L/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ENMMGKHRQIZ3QKGOMBBBGB6B4LB5I7NQ/ vendor advisory
https://usn.ubuntu.com/4562-1/ third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-14001?
CVE-2020-14001 has been scored as a critical severity vulnerability.
How to fix CVE-2020-14001?
To fix CVE-2020-14001, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-14001 being actively exploited in the wild?
It is possible that CVE-2020-14001 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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