Vulnerability · Published Nov 14, 2023 · Assigned by GitHub_M

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

High 8.1

In plain English

A high-severity unsafe deserialization in yii from yiisoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.1% (higher than 88% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.1High

Exploit odds (30 days)3.1%top 12.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Yii is an open source PHP web framework. yiisoft/yii before version 1.1.29 are vulnerable to Remote Code Execution (RCE) if the application calls `unserialize()` on arbitrary user input. An attacker may leverage this vulnerability to compromise the host system. A fix has been developed for the 1.1.29 release. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Packagist	yiisoft/yii	1.1.29	GHSA-mw2w-2hj2-fg8q

Affected products (as reported)

Vendor	Product	Versions
yiisoft	yii	< 1.1.29

Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://github.com/yiisoft/yii/security/advisories/GHSA-mw2w-2hj2-fg8q x_refsource_CONFIRM
https://github.com/yiisoft/yii/commit/37142be4dc5831114a375392e86d6450d4951c06 x_refsource_MISC
https://owasp.org/www-community/vulnerabilities/PHP_Object_Injection x_refsource_MISC