CVE-2021-21408
Published: 10 January 2022
Smarty is a template engine for PHP, facilitating the separation of presentation (HTML/CSS) from application logic. Prior to versions 3.1.43 and 4.0.3, template authors could run restricted static php methods. Users should upgrade to version 3.1.43 or 4.0.3 to receive a patch.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
smarty3 Launchpad, Ubuntu, Debian |
bionic |
Released
(3.1.31+20161214.1.c7d42e4+selfpack1-3ubuntu0.1)
|
| focal |
Released
(3.1.34+20190228.1.c9f0de05+selfpack1-1ubuntu0.1~esm1)
|
|
| hirsute |
Ignored
(reached end-of-life)
|
|
| impish |
Released
(3.1.39-2ubuntu0.21.10.1)
|
|
| jammy |
Released
(3.1.39-2ubuntu1)
|
|
| kinetic |
Released
(3.1.39-2ubuntu1)
|
|
| lunar |
Released
(3.1.39-2ubuntu1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(4.0.3,3.1.43)
|
|
| xenial |
Released
(3.1.21-1ubuntu1+esm1)
|
|
|
Patches: upstream: https://github.com/smarty-php/smarty/commit/28519ca00fe6890ef2d464f8400a16188c4b6f36 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 8.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21408
- https://github.com/smarty-php/smarty/commit/19ae410bf56007a5ef24441cdc6414619cfaf664
- https://github.com/smarty-php/smarty/releases/tag/v3.1.43
- https://github.com/smarty-php/smarty/security/advisories/GHSA-4h9c-v5vg-5m6m
- https://github.com/smarty-php/smarty/releases/tag/v4.0.3
- https://ubuntu.com/security/notices/USN-5348-1
- https://ubuntu.com/security/notices/USN-5348-3
- https://ubuntu.com/security/notices/USN-5348-2
- NVD
- Launchpad
- Debian