CVE-2021-33391
Publication date 17 February 2023
Last updated 24 July 2024
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| tidy-html5 | 24.10 oracular |
Fixed 2:5.6.0-11ubuntu1
|
| 24.04 LTS noble |
Fixed 2:5.6.0-11ubuntu1
|
|
| 22.04 LTS jammy |
Fixed 2:5.6.0-11ubuntu0.22.04.1
|
|
| 20.04 LTS focal |
Fixed 2:5.6.0-11ubuntu0.20.04.1
|
|
| 18.04 LTS bionic |
Vulnerable
|
|
| 16.04 LTS xenial | Ignored end of standard support | |
| 14.04 LTS trusty | Ignored end of standard support |
Notes
mdeslaur
the commit below is just one of a long list of commits that are required to remove recursion from tidy-html5.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
9.8 · Critical
|
| 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
Related Ubuntu Security Notices (USN)
- USN-6483-1
- HTML Tidy vulnerability
- 15 November 2023