ghsa-w758-w9qr-5vxq
Vulnerability from github
Published
2022-05-14 02:12
Modified
2022-05-14 02:12
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 bcpowmod function in ext/bcmath/bcmath.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 modifies certain data structures without considering whether they are copies of the zero, one, or two global variable, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.

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{
  "affected": [],
  "aliases": [
    "CVE-2016-4538"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2016-05-22T01:59:00Z",
    "severity": "CRITICAL"
  },
  "details": "The bcpowmod function in ext/bcmath/bcmath.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 modifies certain data structures without considering whether they are copies of the _zero_, _one_, or _two_ global variable, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.",
  "id": "GHSA-w758-w9qr-5vxq",
  "modified": "2022-05-14T02:12:14Z",
  "published": "2022-05-14T02:12:14Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-4538"
    },
    {
      "type": "WEB",
      "url": "https://bugs.php.net/bug.php?id=72093"
    },
    {
      "type": "WEB",
      "url": "https://git.php.net/?p=php-src.git;a=commit;h=d650063a0457aec56364e4005a636dc6c401f9cd"
    },
    {
      "type": "WEB",
      "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731"
    },
    {
      "type": "WEB",
      "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149"
    },
    {
      "type": "WEB",
      "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722"
    },
    {
      "type": "WEB",
      "url": "https://security.gentoo.org/glsa/201611-22"
    },
    {
      "type": "WEB",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183736.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00086.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-updates/2016-06/msg00027.html"
    },
    {
      "type": "WEB",
      "url": "http://php.net/ChangeLog-5.php"
    },
    {
      "type": "WEB",
      "url": "http://php.net/ChangeLog-7.php"
    },
    {
      "type": "WEB",
      "url": "http://rhn.redhat.com/errata/RHSA-2016-2750.html"
    },
    {
      "type": "WEB",
      "url": "http://www.debian.org/security/2016/dsa-3602"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2016/05/05/21"
    },
    {
      "type": "WEB",
      "url": "http://www.securityfocus.com/bid/90173"
    }
  ],
  "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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