Unsafe deserialization in Yii 2
### Impact Remote code execution in case application calls `unserialize()` on user input containing specially crafted string. ### Patches 2.0.38 ### Workarounds Add the following to BatchQueryResult.php: ```php public function __sleep() { throw new \BadMethodCallException('Cannot serialize '.__CLASS__); } public function __wakeup() { throw new \BadMethodCallException('Cannot unserialize '.__CLASS__); } ``` ### For more information If you have any questions or comments about this advisory, [contact us through security form](https://www.yiiframework.com/security).
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2020-15148US | critical10.0 | Exploit | ||
Yii 2 (yiisoft/yii2) before version 2.0.38 is vulnerable to remote code execution if the application calls `unserialize()` on arbitrary user input. This is fixed in version 2.0.38.… | ||||
references
External citations — patches, advisories, analysis.
- https://github.com/FriendsOfPHP/security-advisories/blob/master/yiisoft/yii2/CVE-2020-15148.yamlWEB
- https://github.com/yiisoft/yii2/commit/9abccb96d7c5ddb569f92d1a748f50ee9b3e2b99WEB
- https://github.com/yiisoft/yii2/security/advisories/GHSA-699q-wcff-g9mjWEB
- https://nvd.nist.gov/vuln/detail/CVE-2020-15148ADVISORY
- https://www.yiiframework.com/news/303/yii-2-0-38WEB
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