CVE-2021-33391
Published: 17 February 2023
An issue in HTACG HTML Tidy v5.7.28 allows attacker to execute arbitrary code via the -g option of the CleanNode() function in gdoc.c.
Notes
| Author | Note |
|---|---|
| mdeslaur | the commit below is just one of a long list of commits that are required to remove recursion from tidy-html5. |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
tidy-html5 Launchpad, Ubuntu, Debian |
trusty |
Ignored
(end of standard support)
|
| upstream |
Needs triage
|
|
| xenial |
Ignored
(end of standard support)
|
|
| bionic |
Needed
|
|
| kinetic |
Ignored
(end of life, was needed)
|
|
| focal |
Released
(2:5.6.0-11ubuntu0.20.04.1)
|
|
| jammy |
Released
(2:5.6.0-11ubuntu0.22.04.1)
|
|
| lunar |
Released
(2:5.6.0-11ubuntu0.23.04.1)
|
|
| mantic |
Released
(2:5.6.0-11ubuntu0.23.10.1)
|
|
|
Patches: upstream: https://github.com/htacg/tidy-html5/commit/e56716f154f13b14fc5585146a85000fdd26d319 (bp) upstream: https://github.com/htacg/tidy-html5/commit/efa61528aa500a1efbd2768121820742d3bb709b |
||
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 |