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smarty-php/smarty · Security

Sandbox Escape by math function in smarty

GHSA ID
GHSA-29gp-2c3m-3j6m
CVE ID
CVE-2021-29454
Severity
high
Published
Updated
CVSS
8.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
CVSS v3
8.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

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

CWEs

  • CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

References