CVE-2024-4990: yii — Exploit

Description

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.

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CVSS v3.1 Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Weakness Type (CWE)

CWE-470 CWE-470

Affected Products

Vendor	Product	Versions
yiiframework	yii	All

References

Exploits

https://huntr.com/bounties/4fbdd965-02b6-42e4-b57b-f98f93415b8f https://huntr.com/bounties/4fbdd965-02b6-42e4-b57b-f98f93415b8f

Frequently Asked Questions

What is CVE-2024-4990? +

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. It has a CVSS v3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2024-4990? +

CVE-2024-4990 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2024-4990? +

CVE-2024-4990 affects products from yiiframework, specifically: yii. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-4990? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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