ghsa-hpqg-gp78-43q4
Vulnerability from github
Published
2022-05-24 17:13
Modified
2022-05-24 17:13
Details

In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.34, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially code execution.

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{
  "affected": [],
  "aliases": [
    "CVE-2020-7065"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-04-01T04:15:00Z",
    "severity": "MODERATE"
  },
  "details": "In PHP versions 7.3.x below 7.3.16 and 7.4.x below 7.4.34, while using mb_strtolower() function with UTF-32LE encoding, certain invalid strings could cause PHP to overwrite stack-allocated buffer. This could lead to memory corruption, crashes and potentially code execution.",
  "id": "GHSA-hpqg-gp78-43q4",
  "modified": "2022-05-24T17:13:12Z",
  "published": "2022-05-24T17:13:12Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-7065"
    },
    {
      "type": "WEB",
      "url": "https://bugs.php.net/bug.php?id=79371"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20200403-0001"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4330-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4330-2"
    },
    {
      "type": "WEB",
      "url": "https://www.debian.org/security/2020/dsa-4719"
    },
    {
      "type": "WEB",
      "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
    },
    {
      "type": "WEB",
      "url": "https://www.php.net/ChangeLog-7.php#7.4.4"
    },
    {
      "type": "WEB",
      "url": "https://www.tenable.com/security/tns-2021-14"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}


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