CRITICAL9.8
GHSA-mqm2-cgpr-p4m6
Unintended read access in kramdown gem
Quick fix
GHSA-mqm2-cgpr-p4m6 — kramdown: upgrade to the fixed version with the command below.
bundle update kramdownDetails
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.
Are you affected?
Enter the version of the package you're using.
Affected packages
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-14001[ADVISORY]
- https://github.com/gettalong/kramdown/commit/1b8fd33c3120bfc6e5164b449e2c2fc9c9306fde[WEB]
- https://github.com/advisories/GHSA-mqm2-cgpr-p4m6[ADVISORY]
- https://github.com/gettalong/kramdown[PACKAGE]
- https://github.com/gettalong/kramdown/compare/REL_2_2_1...REL_2_3_0[WEB]
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/kramdown/CVE-2020-14001.yml[WEB]
- https://kramdown.gettalong.org[WEB]
- https://kramdown.gettalong.org/news.html[WEB]
- https://lists.apache.org/thread.html/r96df7899fbb456fe2705882f710a0c8e8614b573fbffd8d12e3f54d2@%3Cnotifications.fluo.apache.org%3E[WEB]
- https://lists.debian.org/debian-lts-announce/2020/08/msg00014.html[WEB]
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ENMMGKHRQIZ3QKGOMBBBGB6B4LB5I7NQ[WEB]
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KBLTGBYU7NKOUOHDKVCU4GFZMGA6BP4L[WEB]
- https://rubygems.org/gems/kramdown[WEB]
- https://security.netapp.com/advisory/ntap-20200731-0004[WEB]
- https://usn.ubuntu.com/4562-1[WEB]
- https://www.debian.org/security/2020/dsa-4743[WEB]