yiisoft yii2 up to 2.0.48 __set externally-controlled input to select classes or code

Summaryinfo

A vulnerability described as critical has been identified in yiisoft yii2 up to 2.0.48. This affects the function __set. Such manipulation leads to use of externally-controlled input to select classes or code. This vulnerability is listed as CVE-2024-4990. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, has been found in yiisoft yii2 up to 2.0.48. Affected by this issue is the function __set. The manipulation with an unknown input leads to a use of externally-controlled input to select classes or code vulnerability. Using CWE to declare the problem leads to CWE-470. The product uses external input with reflection to select which classes or code to use, but it does not sufficiently prevent the input from selecting improper classes or code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

In yiisoft/yii2 version 2.0.48, the base Component class contains a vulnerability where the `__set()` magic method does not validate that the value passed is a valid Behavior class name or configuration. This allows an attacker to instantiate arbitrary classes, passing parameters to their constructors and invoking setter methods. Depending on the installed dependencies, various types of attacks are possible, including the execution of arbitrary code, retrieval of sensitive information, and unauthorized access.

The advisory is shared for download at huntr.com. This vulnerability is handled as CVE-2024-4990 since 05/16/2024. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 261483 (Yii Framework < 2.0.52 Unsafe Reflection Regression (GHSA-ggwg-cmwp-46r5)), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (261483). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• yiisoft

Name

• yii2

Version

• 2.0.0
• 2.0.1
• 2.0.2
• 2.0.3
• 2.0.4
• 2.0.5
• 2.0.6
• 2.0.7
• 2.0.8
• 2.0.9
• 2.0.10
• 2.0.11
• 2.0.12
• 2.0.13
• 2.0.14
• 2.0.15
• 2.0.16
• 2.0.17
• 2.0.18
• 2.0.19
• 2.0.20
• 2.0.21
• 2.0.22
• 2.0.23
• 2.0.24
• 2.0.25
• 2.0.26
• 2.0.27
• 2.0.28
• 2.0.29
• 2.0.30
• 2.0.31
• 2.0.32
• 2.0.33
• 2.0.34
• 2.0.35
• 2.0.36
• 2.0.37
• 2.0.38
• 2.0.39
• 2.0.40
• 2.0.41
• 2.0.42
• 2.0.43
• 2.0.44
• 2.0.45
• 2.0.46
• 2.0.47
• 2.0.48

CPE 2.3info

• 🔍
• 🔍
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CPE 2.2info

• 🔍
• 🔍
• 🔍

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

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