CVE-2021-28834
Published: 19 March 2021
Kramdown before 2.3.1 does not restrict Rouge formatters to the Rouge::Formatters namespace, and thus arbitrary classes can be instantiated.
Priority
Status
Package | Release | Status |
---|---|---|
kramdown Launchpad, Ubuntu, Debian |
jammy |
Does not exist
|
kinetic |
Does not exist
|
|
impish |
Does not exist
|
|
bionic |
Does not exist
|
|
focal |
Does not exist
|
|
groovy |
Does not exist
|
|
hirsute |
Does not exist
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
xenial |
Does not exist
|
|
lunar |
Does not exist
|
|
ruby-kramdown-rfc2629 Launchpad, Ubuntu, Debian |
jammy |
Not vulnerable
(ruby-kramdown only)
|
kinetic |
Ignored
(end of life, was needs-triage)
|
|
bionic |
Not vulnerable
(ruby-kramdown only)
|
|
focal |
Not vulnerable
(ruby-kramdown only)
|
|
groovy |
Ignored
(end of life)
|
|
hirsute |
Ignored
(end of life)
|
|
trusty |
Does not exist
|
|
upstream |
Needs triage
|
|
impish |
Ignored
(end of life)
|
|
lunar |
Not vulnerable
(ruby-kramdown only)
|
|
xenial |
Not vulnerable
(ruby-kramdown only)
|
|
ruby-kramdown Launchpad, Ubuntu, Debian |
kinetic |
Ignored
(end of life, was needs-triage)
|
groovy |
Ignored
(end of life)
|
|
hirsute |
Ignored
(end of life)
|
|
trusty |
Does not exist
|
|
impish |
Ignored
(end of life)
|
|
bionic |
Not vulnerable
(introduced in 1.16.0)
|
|
focal |
Released
(1.17.0-4ubuntu0.2)
|
|
jammy |
Not vulnerable
(2.3.1-4)
|
|
lunar |
Not vulnerable
(2.4.0-2)
|
|
upstream |
Released
(2.3.1)
|
|
xenial |
Not vulnerable
(introduced in 1.16.0)
|
Severity score breakdown
Parameter | Value |
---|---|
Base score | 9.8 |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28834
- https://github.com/gettalong/kramdown/compare/REL_2_3_0...REL_2_3_1
- https://github.com/gettalong/kramdown/pull/708
- https://gitlab.com/gitlab-org/gitlab/-/commit/179329b5c3c118924fb242dc449d06b4ed6ccb66
- https://ubuntu.com/security/notices/USN-6424-1
- NVD
- Launchpad
- Debian