Critical severityNVD Advisory· Published Jul 17, 2020· Updated Aug 4, 2024
CVE-2020-14001
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
kramdownRubyGems | < 2.3.0 | 2.3.0 |
Affected products
11- Ruby/kramdown gemdescription
- ghsa-coords10 versionspkg:gem/kramdownpkg:rpm/opensuse/ruby3.2-rubygem-kramdown&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/rubygem-kramdown&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/rubygem-kramdown&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/rubygem-kramdown&distro=openSUSE%20Tumbleweedpkg:rpm/suse/rubygem-kramdown&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015pkg:rpm/suse/rubygem-kramdown&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP1pkg:rpm/suse/rubygem-kramdown&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP2pkg:rpm/suse/rubygem-kramdown&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP3pkg:rpm/suse/rubygem-kramdown&distro=SUSE%20Linux%20Enterprise%20High%20Availability%20Extension%2015%20SP4
< 2.3.0+ 9 more
- (no CPE)range: < 2.3.0
- (no CPE)range: < 2.4.0-1.8
- (no CPE)range: < 1.15.0-150000.3.3.1
- (no CPE)range: < 1.15.0-150000.3.3.1
- (no CPE)range: < 2.4.0-1.1
- (no CPE)range: < 1.15.0-150000.3.3.1
- (no CPE)range: < 1.15.0-150000.3.3.1
- (no CPE)range: < 1.15.0-150000.3.3.1
- (no CPE)range: < 1.15.0-150000.3.3.1
- (no CPE)range: < 1.15.0-150000.3.3.1
Patches
Vulnerability mechanics
References
20- github.com/advisories/GHSA-mqm2-cgpr-p4m6ghsaADVISORY
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ENMMGKHRQIZ3QKGOMBBBGB6B4LB5I7NQ/mitrevendor-advisoryx_refsource_FEDORA
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KBLTGBYU7NKOUOHDKVCU4GFZMGA6BP4L/mitrevendor-advisoryx_refsource_FEDORA
- nvd.nist.gov/vuln/detail/CVE-2020-14001ghsaADVISORY
- usn.ubuntu.com/4562-1/mitrevendor-advisoryx_refsource_UBUNTU
- www.debian.org/security/2020/dsa-4743ghsavendor-advisoryx_refsource_DEBIANWEB
- github.com/gettalong/kramdown/commit/1b8fd33c3120bfc6e5164b449e2c2fc9c9306fdeghsax_refsource_CONFIRMWEB
- github.com/gettalong/kramdown/compare/REL_2_2_1...REL_2_3_0ghsax_refsource_CONFIRMWEB
- github.com/rubysec/ruby-advisory-db/blob/master/gems/kramdown/CVE-2020-14001.ymlghsaWEB
- kramdown.gettalong.orgghsax_refsource_MISCWEB
- kramdown.gettalong.org/news.htmlghsax_refsource_CONFIRMWEB
- lists.apache.org/thread.html/r96df7899fbb456fe2705882f710a0c8e8614b573fbffd8d12e3f54d2%40%3Cnotifications.fluo.apache.org%3Emitremailing-listx_refsource_MLIST
- lists.apache.org/thread.html/r96df7899fbb456fe2705882f710a0c8e8614b573fbffd8d12e3f54d2@%3Cnotifications.fluo.apache.org%3EghsaWEB
- lists.debian.org/debian-lts-announce/2020/08/msg00014.htmlghsamailing-listx_refsource_MLISTWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ENMMGKHRQIZ3QKGOMBBBGB6B4LB5I7NQghsaWEB
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KBLTGBYU7NKOUOHDKVCU4GFZMGA6BP4LghsaWEB
- rubygems.org/gems/kramdownghsax_refsource_MISCWEB
- security.netapp.com/advisory/ntap-20200731-0004ghsaWEB
- security.netapp.com/advisory/ntap-20200731-0004/mitrex_refsource_CONFIRM
- usn.ubuntu.com/4562-1ghsaWEB
News mentions
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