ghsa-rfjj-ch7h-pvv6
Vulnerability from github
Published
2022-05-13 01:42
Modified
2025-04-20 03:43
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 finish_nested_data function in ext/standard/var_unserializer.re in PHP before 5.6.31, 7.0.x before 7.0.21, and 7.1.x before 7.1.7 is prone to a buffer over-read while unserializing untrusted data. Exploitation of this issue can have an unspecified impact on the integrity of PHP.

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{
  "affected": [],
  "aliases": [
    "CVE-2017-12933"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-08-18T03:29:00Z",
    "severity": "CRITICAL"
  },
  "details": "The finish_nested_data function in ext/standard/var_unserializer.re in PHP before 5.6.31, 7.0.x before 7.0.21, and 7.1.x before 7.1.7 is prone to a buffer over-read while unserializing untrusted data. Exploitation of this issue can have an unspecified impact on the integrity of PHP.",
  "id": "GHSA-rfjj-ch7h-pvv6",
  "modified": "2025-04-20T03:43:13Z",
  "published": "2022-05-13T01:42:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-12933"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2018:1296"
    },
    {
      "type": "WEB",
      "url": "https://bugs.php.net/bug.php?id=74111"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3566-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/3566-2"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2018/dsa-4080"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2018/dsa-4081"
    },
    {
      "type": "WEB",
      "url": "http://php.net/ChangeLog-5.php"
    },
    {
      "type": "WEB",
      "url": "http://php.net/ChangeLog-7.php"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/99490"
    }
  ],
  "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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