CVE-2021-28834
Name
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.
NVD Severity
high
Other trackers
CVE
,
NVD
,
CERT
,
CVE Details
,
CIRCL
,
Arch Linux
,
Debian
,
Red Hat
,
Ubuntu
,
Gentoo
,
SUSE (Bugzilla)
,
SUSE (CVE)
,
Mageia
Mailing lists
oss-security
,
full-disclosure
,
bugtraq
Exploits
Exploit DB
,
Metasploit
Forges
GitHub (
code
,
issues
), Aports (
code
,
issues
)
References
Type
URI
Exploit
https://github.com/gettalong/kramdown/pull/708
Patch
https://github.com/gettalong/kramdown/compare/REL_2_3_0...REL_2_3_1
Patch
https://gitlab.com/gitlab-org/gitlab/-/commit/179329b5c3c118924fb242dc449d06b4ed6ccb66
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/S3BBLUIDCUUR3NEE4NJLOCCAV3ALQ3O6/
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SYOLQKFL6IJCQLBXV34Z4TI4O54GESPR/
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NJCJVYHPY6LNUFM6LYZIAUIYOMVT5QGV/
Third Party Advisory
https://www.debian.org/security/2021/dsa-4890
Match rules
CPE URI
Source package
Min version
Max version
cpe:2.3:a:kramdown_project:kramdown:*:*:*:*:*:ruby:*:*
ruby-kramdown
>= None
< 2.3.1
Vulnerable and fixed packages
Source package
Branch
Version
Maintainer
Status