GHSA-699Q-WCFF-G9MJ

Vulnerability from github – Published: 2020-09-15 18:19 – Updated: 2021-01-07 22:56
VLAI?
Summary
Unsafe deserialization in Yii 2
Details

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:

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.

Severity ?
8.9 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H
Show details on source website
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "yiisoft/yii2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0.38"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-15148"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-502"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-09-15T18:19:44Z",
    "nvd_published_at": null,
    "severity": "HIGH"
  },
  "details": "### Impact\n\nRemote code execution in case application calls `unserialize()` on user input containing specially crafted string.\n\n### Patches\n\n2.0.38\n\n### Workarounds\n\nAdd the following to BatchQueryResult.php:\n\n```php\npublic function __sleep()\n{\n    throw new \\BadMethodCallException(\u0027Cannot serialize \u0027.__CLASS__);\n}\n\npublic function __wakeup()\n{\n    throw new \\BadMethodCallException(\u0027Cannot unserialize \u0027.__CLASS__);\n}\n```\n\n### For more information\n\nIf you have any questions or comments about this advisory, [contact us through security form](https://www.yiiframework.com/security).",
  "id": "GHSA-699q-wcff-g9mj",
  "modified": "2021-01-07T22:56:34Z",
  "published": "2020-09-15T18:19:56Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/yiisoft/yii2/security/advisories/GHSA-699q-wcff-g9mj"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-15148"
    },
    {
      "type": "WEB",
      "url": "https://github.com/yiisoft/yii2/commit/9abccb96d7c5ddb569f92d1a748f50ee9b3e2b99"
    },
    {
      "type": "WEB",
      "url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/yiisoft/yii2/CVE-2020-15148.yaml"
    },
    {
      "type": "WEB",
      "url": "https://www.yiiframework.com/news/303/yii-2-0-38"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Unsafe deserialization in Yii 2"
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.