Vulnerability Details : CVE-2020-14001
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.
Products affected by CVE-2020-14001
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:a:kramdown_project:kramdown:*:*:*:*:*:ruby:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-14001
4.28%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 88 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-14001
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2020-14001
-
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-14001
-
https://rubygems.org/gems/kramdown
kramdown | RubyGems.org | your community gem hostThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ENMMGKHRQIZ3QKGOMBBBGB6B4LB5I7NQ/
[SECURITY] Fedora 31 Update: rubygem-kramdown-1.17.0-6.fc31 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://security.netapp.com/advisory/ntap-20200731-0004/
CVE-2020-14001 Ruby Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://usn.ubuntu.com/4562-1/
USN-4562-1: kramdown vulnerability | Ubuntu security notices | UbuntuThird Party Advisory
-
https://kramdown.gettalong.org
Home | kramdownVendor Advisory
-
https://github.com/gettalong/kramdown/commit/1b8fd33c3120bfc6e5164b449e2c2fc9c9306fde
Add option forbidden_inline_options · gettalong/kramdown@1b8fd33 · GitHubPatch;Third Party Advisory
-
https://kramdown.gettalong.org/news.html
News | kramdownRelease Notes;Vendor Advisory
-
https://github.com/gettalong/kramdown
GitHub - gettalong/kramdown: kramdown is a fast, pure Ruby Markdown superset converter, using a strict syntax definition and supporting several common extensions.Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KBLTGBYU7NKOUOHDKVCU4GFZMGA6BP4L/
[SECURITY] Fedora 32 Update: rubygem-kramdown-2.1.0-3.fc32 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://github.com/gettalong/kramdown/compare/REL_2_2_1...REL_2_3_0
Comparing REL_2_2_1...REL_2_3_0 · gettalong/kramdown · GitHubPatch;Third Party Advisory
-
https://lists.apache.org/thread.html/r96df7899fbb456fe2705882f710a0c8e8614b573fbffd8d12e3f54d2@%3Cnotifications.fluo.apache.org%3E
[GitHub] [fluo-website] ctubbsii opened a new pull request #194: Update gems - Pony MailMailing List;Third Party Advisory
-
https://www.debian.org/security/2020/dsa-4743
Debian -- Security Information -- DSA-4742-1 firejailThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/08/msg00014.html
[SECURITY] [DLA 2316-1] ruby-kramdown security updateMailing List;Third Party Advisory
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