Smarty up to 3.1.38 Function code injection

Summaryinfo

A vulnerability described as critical has been identified in Smarty up to 3.1.38. Affected is an unknown function of the component Function Handler. Executing a manipulation can lead to code injection. The identification of this vulnerability is CVE-2021-26120. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Smarty up to 3.1.38 (Customer Relationship Management System). It has been declared as critical. This vulnerability affects an unknown code block of the component Function Handler. The manipulation with an unknown input leads to a code injection vulnerability. The CWE definition for the vulnerability is CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was shared 02/22/2021. The advisory is shared for download at github.com. This vulnerability was named CVE-2021-26120. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.

The vulnerability scanner Nessus provides a plugin with the ID 211188 (Fedora 37 : php-Smarty (2022-d5fc9dcdd7)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.1.39 eliminates this vulnerability. The upgrade is hosted for download at github.com.

The vulnerability is also documented in the vulnerability database at Tenable (211188). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Customer Relationship Management System

Name

• Smarty

Version

• 3.1.0
• 3.1.1
• 3.1.2
• 3.1.3
• 3.1.4
• 3.1.5
• 3.1.6
• 3.1.7
• 3.1.8
• 3.1.9
• 3.1.10
• 3.1.11
• 3.1.12
• 3.1.13
• 3.1.14
• 3.1.15
• 3.1.16
• 3.1.17
• 3.1.18
• 3.1.19
• 3.1.20
• 3.1.21
• 3.1.22
• 3.1.23
• 3.1.24
• 3.1.25
• 3.1.26
• 3.1.27
• 3.1.28
• 3.1.29
• 3.1.30
• 3.1.31
• 3.1.32
• 3.1.33
• 3.1.34
• 3.1.35
• 3.1.36
• 3.1.37
• 3.1.38

License

• commercial

CPE 2.3info

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CPE 2.2info

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Entryinfo

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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