ghsa-35p7-xqgq-2gx7
Vulnerability from github
Published
2022-05-14 03:50
Modified
2025-04-20 03:30
Severity ?
9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details

The SplObjectStorage unserialize implementation in ext/spl/spl_observer.c in PHP before 7.0.12 does not verify that a key is an object, which allows remote attackers to execute arbitrary code or cause a denial of service (uninitialized memory access) via crafted serialized data.

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{
  "affected": [],
  "aliases": [
    "CVE-2016-7480"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-119"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-01-11T07:59:00Z",
    "severity": "CRITICAL"
  },
  "details": "The SplObjectStorage unserialize implementation in ext/spl/spl_observer.c in PHP before 7.0.12 does not verify that a key is an object, which allows remote attackers to execute arbitrary code or cause a denial of service (uninitialized memory access) via crafted serialized data.",
  "id": "GHSA-35p7-xqgq-2gx7",
  "modified": "2025-04-20T03:30:59Z",
  "published": "2022-05-14T03:50:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-7480"
    },
    {
      "type": "WEB",
      "url": "https://github.com/php/php-src/commit/61cdd1255d5b9c8453be71aacbbf682796ac77d4"
    },
    {
      "type": "WEB",
      "url": "https://bugs.php.net/bug.php?id=73257"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20180112-0001"
    },
    {
      "type": "WEB",
      "url": "https://www.youtube.com/watch?v=LDcaPstAuPk"
    },
    {
      "type": "WEB",
      "url": "http://blog.checkpoint.com/2016/12/27/check-point-discovers-three-zero-day-vulnerabilities-web-programming-language-php-7"
    },
    {
      "type": "WEB",
      "url": "http://blog.checkpoint.com/wp-content/uploads/2016/12/PHP_Technical_Report.pdf"
    },
    {
      "type": "WEB",
      "url": "http://php.net/ChangeLog-7.php"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/95152"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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