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Sandbox Escape by math function

High
wisskid published GHSA-29gp-2c3m-3j6m Jan 9, 2022

Package

composer smarty/smarty (Composer)

Affected versions

< 3.1.42
< 4.0.2

Patched versions

3.1.42
4.0.2

Description

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.

For more information

If you have any questions or comments about this advisory please open an issue in the Smarty repo

Severity

High

CVE ID

CVE-2021-29454

Weaknesses

No CWEs