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Vulnerability · Published Jul 17, 2020 · Assigned by mitre

CVE-2020-14001

Critical 9.8

In plain English

A critical-severity security flaw in the icinga2 package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.6% (higher than 92% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)4.6%top 8.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20icinga22.11.3-r1ALPINE-CVE-2020-14001
Alpine:v3.21icinga22.11.3-r1ALPINE-CVE-2020-14001
Alpine:v3.22icinga22.11.3-r1ALPINE-CVE-2020-14001
Alpine:v3.23icinga22.11.3-r1ALPINE-CVE-2020-14001
Alpine:v3.24icinga22.11.3-r1ALPINE-CVE-2020-14001
Debian:12ruby-kramdown2.3.0-3DEBIAN-CVE-2020-14001
Debian:13ruby-kramdown2.3.0-3DEBIAN-CVE-2020-14001
Debian:14ruby-kramdown2.3.0-3DEBIAN-CVE-2020-14001
RubyGemskramdown2.3.0GHSA-mqm2-cgpr-p4m6

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References