Unsafe deserialization of user data in yiisoft/yii
CVE-2023-47130

8.1HIGH

Key Information:

Vendor

Yiisoft

Status
Yii
Vendor
CVE Published:
14 November 2023

What is CVE-2023-47130?

Yii is a renowned open source PHP web framework, widely used for developing web applications. A critical vulnerability exists in Yii versions prior to 1.1.29, where the framework improperly handles the unserialize() function when it processes arbitrary user input. This flaw could be exploited by an attacker to execute arbitrary code on the server, leading to complete system compromise. It is crucial for users of affected versions to upgrade to 1.1.29 or later, as there are no viable workarounds to mitigate this risk.

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Affected Version(s)

yii < 1.1.29

References

https://github.com/yiisoft/yii/security/advisories/GHSA-m...
x_refsource_CONFIRM
https://github.com/yiisoft/yii/commit/37142be4dc5831114a3...
x_refsource_MISC
https://owasp.org/www-community/vulnerabilities/PHP_Objec...
x_refsource_MISC

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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