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Vulnerability Details : CVE-2021-28834

Kramdown before 2.3.1 does not restrict Rouge formatters to the Rouge::Formatters namespace, and thus arbitrary classes can be instantiated.
Publish Date : 2021-03-19 Last Update Date : 2021-04-19
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- CVSS Scores & Vulnerability Types

CVSS Score
6.8
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID CWE id is not defined for this vulnerability

- Products Affected By CVE-2021-28834

# Product Type Vendor Product Version Update Edition Language
1 OS Debian Debian Linux 10.0 * * * Version Details Vulnerabilities
2 OS Fedoraproject Fedora 32 * * * Version Details Vulnerabilities
3 OS Fedoraproject Fedora 33 * * * Version Details Vulnerabilities
4 OS Fedoraproject Fedora 34 * * * Version Details Vulnerabilities
5 Application Kramdown Project Kramdown * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Debian Debian Linux 1
Fedoraproject Fedora 3
Kramdown Project Kramdown 1

- References For CVE-2021-28834

https://www.debian.org/security/2021/dsa-4890
DEBIAN DSA-4890
https://lists.fedoraproject.org/archives/list/[email protected]/message/NJCJVYHPY6LNUFM6LYZIAUIYOMVT5QGV/
FEDORA FEDORA-2021-edc673e864
https://lists.fedoraproject.org/archives/list/[email protected]/message/SYOLQKFL6IJCQLBXV34Z4TI4O54GESPR/
FEDORA FEDORA-2021-4c57a892d1
https://lists.fedoraproject.org/archives/list/[email protected]/message/S3BBLUIDCUUR3NEE4NJLOCCAV3ALQ3O6/
FEDORA FEDORA-2021-139a6a2f9d
https://github.com/gettalong/kramdown/compare/REL_2_3_0...REL_2_3_1
https://gitlab.com/gitlab-org/gitlab/-/commit/179329b5c3c118924fb242dc449d06b4ed6ccb66
https://github.com/gettalong/kramdown/pull/708

- Metasploit Modules Related To CVE-2021-28834

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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