CVE-2022-41922: Yiisoft/yii Remote Code Execution Vulnerability

HIGH
Advisory Identifier: GHSA-442f-wcwq-fpcf
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CVSS 8.1
CWE-502
Published
Advisory Summary

CVE-2022-41922 is a HIGH (CVSS 8.1) remote code execution vulnerability (CWE-502: Deserialization of Untrusted Data) affecting Yiisoft/yii libraries in the Packagist ecosystem. The issue involves prevent rce when deserializing untrusted user input. Remediation is available by upgrading affected packages to version 1.1.27.

CVE-2022-41922 at a Glance

CVE Identifier CVE-2022-41922
GHSA Identifier GHSA-442f-wcwq-fpcf
Severity HIGH
CVSS v3.1 Base Score 8.1
CWE Classification CWE-502: Deserialization of Untrusted Data
Affected Product Yiisoft/yii
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 8.1

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).

Attack Vector Network (AV:N)
Attack Complexity High (AC:H)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2022-41922

To remediate this vulnerability, upgrade all affected Yiisoft/yii dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

yiisoft/yii fixed: 1.1.27 
Upgrade yiisoft/yii to 1.1.27
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for yiisoft/yii

How to Check if You Are Affected

To determine whether your application is affected by CVE-2022-41922, inspect your project dependencies for Yiisoft/yii:

inspect dependencies for yiisoft/yii

Analyze the terminal output to locate any version of Yiisoft/yii in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.1.27), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-502: Deserialization of Untrusted Data, where the product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid. In Yiisoft/yii, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### Impact Affected versions of `yiisoft/yii` are vulnerable to Remote Code Execution (RCE) if the application calls `unserialize()` on arbitrary user input. ### Patches Upgrade `yiisoft/yii` to version 1.1.27 or higher. ### For more information See the following links for more details: - [Git commit](https://github.com/yiisoft/yii/commit/ed67b7cc57216557c5c595c6650cdd2d3aa41c52) - https://owasp.org/www-community/vulnerabilities/PHP_Object_Injection If you have any questions or comments about this advisory, [contact us through security form](https://www.yiiframework.com/security).

CVE-2022-41922 Affected Yiisoft/yii Versions

1 component(s)
Fixed Versions:
1.1.27
Product / Package Ecosystem Affected Versions Fixed Version
yiisoft/yii
 Packagist
< 1.1.27
1.1.27

References

GitHub Advisory / Wiki ADVISORY
https://github.com/yiisoft/yii/security/advisories/GHSA-442f-wcwq-fpcf
NVD — CVE-2022-41922 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-41922
Security Fix Commit FIX COMMIT
https://github.com/yiisoft/yii/commit/ed67b7cc57216557c5c595c6650cdd2d3aa41c52
Yiisoft/yii Source Repository REPOSITORY
https://github.com/yiisoft/yii

Frequently Asked Questions

What is CVE-2022-41922?
CVE-2022-41922 is a security vulnerability in Yiisoft/yii involving Prevent RCE when deserializing untrusted user input under CWE-502: Deserialization of Untrusted Data.
Which Yiisoft/yii versions are affected?
Affected versions include releases prior to 1.1.27 across affected packages: yiisoft/yii.
What version fixes CVE-2022-41922?
Upgrading to 1.1.27 (or the latest patched release for your respective branch) resolves the vulnerability.
Is yiisoft/yii affected?
Yes, yiisoft/yii is affected in releases prior to 1.1.27. Upgrade your dependency to 1.1.27 or later.
What is the CVSS score of CVE-2022-41922?
CVE-2022-41922 has a CVSS v3.1 base score of 8.1 (HIGH) with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2022-41922?
CVE-2022-41922 is classified under CWE-502: Deserialization of Untrusted Data (The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.).
How can I check Packagist dependencies for CVE-2022-41922?
Run the dependency tree command: 'inspect dependencies for yiisoft/yii'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-442f-wcwq-fpcf",
  "modified" : "2022-11-21T22:32:04Z",
  "published" : "2022-11-21T22:32:04Z",
  "aliases" : [ "CVE-2022-41922" ],
  "summary" : "Prevent RCE when deserializing untrusted user input",
  "details" : "### Impact\nAffected versions of `yiisoft/yii` are vulnerable to Remote Code Execution (RCE) if the application calls `unserialize()` on arbitrary user input.\n\n### Patches\nUpgrade `yiisoft/yii` to version 1.1.27 or higher.\n\n### For more information\nSee the following links for more details:\n- [Git commit](https://github.com/yiisoft/yii/commit/ed67b7cc57216557c5c595c6650cdd2d3aa41c52)\n- https://owasp.org/www-community/vulnerabilities/PHP_Object_Injection\n\nIf you have any questions or comments about this advisory, [contact us through security form](https://www.yiiframework.com/security).",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "yiisoft/yii"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.1.27"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/yiisoft/yii/security/advisories/GHSA-442f-wcwq-fpcf"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-41922"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/yiisoft/yii/commit/ed67b7cc57216557c5c595c6650cdd2d3aa41c52"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/yiisoft/yii"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-502" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-11-21T22:32:04Z",
    "nvd_published_at" : "2022-11-23T18:15:00Z"
  }
}