Home

CVE-2021-28834

Description

Kramdown before 2.3.1 does not restrict Rouge formatters to the Rouge::Formatters namespace, and thus arbitrary classes can be instantiated.

Risk Information

Base Score
9.8
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
2.59

Associated Vulnerability

VulnerabilityOS Platform
Vulnerabilities CVE-2021-28834 are fixed in Ruby-kramdown 2.3.1Windows
ruby-kramdown security update(DSA-4890-1) ruby-kramdown_1.17.0-1+deb10u2_all.debLinux
Fast, pure-Ruby Markdown-superset converter - ruby library (USN-6424-1) ruby-kramdown_1.17.0-4ubuntu0.2_all.debLinux
Vulnerabilities CVE-2021-28834 are fixed in Ruby-kramdown for Linux 2.3.1Linux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234