Sandbox Escape by math function in smarty
### Impact Template authors could run arbitrary PHP code by crafting a malicious math string. If a math string is passed through as user provided data to the math function, external users could run arbitrary PHP code by crafting a malicious math string. ### Patches Please upgrade to 4.0.2 or 3.1.42 or higher. ### References See [documentation on Math function](https://www.smarty.net/docs/en/language.function.math.tpl). ### For more information If you have any questions or comments about this advisory please open an issue in [the Smarty repo](https://github.com/smarty-php/smarty)
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2021-29454US | high8.8 | — | ||
Smarty is a template engine for PHP, facilitating the separation of presentation (HTML/CSS) from application logic. Prior to versions 3.1.42 and 4.0.2, template authors could run a… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/FriendsOfPHP/security-advisories/blob/master/smarty/smarty/CVE-2021-29454.yamlWEB
- https://github.com/smarty-php/smartyPACKAGE
- https://github.com/smarty-php/smarty/commit/215d81a9fa3cd63d82fb3ab56ecaf97cf1e7db71WEB
- https://github.com/smarty-php/smarty/releases/tag/v3.1.42WEB
- https://github.com/smarty-php/smarty/releases/tag/v4.0.2WEB
- https://github.com/smarty-php/smarty/security/advisories/GHSA-29gp-2c3m-3j6mWEB
- https://lists.debian.org/debian-lts-announce/2022/05/msg00005.htmlWEB
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BRAJVDRGCIY5UZ2PQHKDTT7RMKG6WJQQWEB
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