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Smarty vulnerable to PHP Code Injection by malicious attribute in extends-tag

High severity GitHub Reviewed Published May 28, 2024 in smarty-php/smarty • Updated May 29, 2024

Package

composer smarty/smarty (Composer)

Affected versions

>= 5.0.0, < 5.1.1
>= 3.0.0, < 4.5.3

Patched versions

5.1.1
4.5.3

Description

Impact

Template authors could inject php code by choosing a malicous file name for an extends-tag. Users that cannot fully trust template authors should update asap.

Patches

Please upgrade to the most recent version of Smarty v4 or v5. There is no patch for v3.

References

@wisskid wisskid published to smarty-php/smarty May 28, 2024
Published by the National Vulnerability Database May 28, 2024
Published to the GitHub Advisory Database May 29, 2024
Reviewed May 29, 2024
Last updated May 29, 2024

Severity

High

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

EPSS score

0.043%
(11th percentile)

Weaknesses

CVE ID

CVE-2024-35226

GHSA ID

GHSA-4rmg-292m-wg3w

Source code

Credits

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