fkie_cve-2016-4537
Vulnerability from fkie_nvd
Published
2016-05-22 01:59
Modified
2025-04-12 10:46
Severity ?
Summary
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 accepts a negative integer for the scale argument, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call.
References
security@debian.orghttp://lists.fedoraproject.org/pipermail/package-announce/2016-May/183736.html
security@debian.orghttp://lists.opensuse.org/opensuse-updates/2016-05/msg00086.html
security@debian.orghttp://lists.opensuse.org/opensuse-updates/2016-06/msg00027.html
security@debian.orghttp://php.net/ChangeLog-5.phpPatch
security@debian.orghttp://php.net/ChangeLog-7.phpPatch
security@debian.orghttp://rhn.redhat.com/errata/RHSA-2016-2750.html
security@debian.orghttp://www.debian.org/security/2016/dsa-3602
security@debian.orghttp://www.openwall.com/lists/oss-security/2016/05/05/21
security@debian.orghttp://www.securityfocus.com/bid/90173
security@debian.orghttps://bugs.php.net/bug.php?id=72093Exploit
security@debian.orghttps://git.php.net/?p=php-src.git%3Ba=commit%3Bh=d650063a0457aec56364e4005a636dc6c401f9cd
security@debian.orghttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
security@debian.orghttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
security@debian.orghttps://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
security@debian.orghttps://security.gentoo.org/glsa/201611-22
af854a3a-2127-422b-91ae-364da2661108http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183736.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2016-05/msg00086.html
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2016-06/msg00027.html
af854a3a-2127-422b-91ae-364da2661108http://php.net/ChangeLog-5.phpPatch
af854a3a-2127-422b-91ae-364da2661108http://php.net/ChangeLog-7.phpPatch
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2016-2750.html
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2016/dsa-3602
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2016/05/05/21
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/90173
af854a3a-2127-422b-91ae-364da2661108https://bugs.php.net/bug.php?id=72093Exploit
af854a3a-2127-422b-91ae-364da2661108https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=d650063a0457aec56364e4005a636dc6c401f9cd
af854a3a-2127-422b-91ae-364da2661108https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731
af854a3a-2127-422b-91ae-364da2661108https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05320149
af854a3a-2127-422b-91ae-364da2661108https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201611-22
Impacted products
Vendor Product Version
php php *
php php 5.6.0
php php 5.6.1
php php 5.6.2
php php 5.6.3
php php 5.6.4
php php 5.6.5
php php 5.6.6
php php 5.6.7
php php 5.6.8
php php 5.6.9
php php 5.6.10
php php 5.6.11
php php 5.6.12
php php 5.6.13
php php 5.6.14
php php 5.6.15
php php 5.6.16
php php 5.6.17
php php 5.6.18
php php 5.6.19
php php 5.6.20
php php 7.0.0
php php 7.0.1
php php 7.0.2
php php 7.0.3
php php 7.0.4
php php 7.0.5
opensuse leap 42.1
fedoraproject fedora 24



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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "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 accepts a negative integer for the scale argument, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted call."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n bcpowmod en ext/bcmath/bcmath.c en PHP en versiones anteriores a 5.5.35, 5.6.x en versiones anteriores a 5.6.21 y 7.x en versiones anteriores a 7.0.6 acepta un entero negativo para el argumento escala, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio o posiblemente tener otro impacto no especificado a trav\u00e9s de una llamada manipulada."
    }
  ],
  "id": "CVE-2016-4537",
  "lastModified": "2025-04-12T10:46:40.837",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": true,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
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          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2016-05-22T01:59:21.963",
  "references": [
    {
      "source": "security@debian.org",
      "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183736.html"
    },
    {
      "source": "security@debian.org",
      "url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00086.html"
    },
    {
      "source": "security@debian.org",
      "url": "http://lists.opensuse.org/opensuse-updates/2016-06/msg00027.html"
    },
    {
      "source": "security@debian.org",
      "tags": [
        "Patch"
      ],
      "url": "http://php.net/ChangeLog-5.php"
    },
    {
      "source": "security@debian.org",
      "tags": [
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    },
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      "url": "http://rhn.redhat.com/errata/RHSA-2016-2750.html"
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    },
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      "url": "http://www.securityfocus.com/bid/90173"
    },
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      "source": "security@debian.org",
      "tags": [
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      "url": "https://bugs.php.net/bug.php?id=72093"
    },
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      "url": "https://git.php.net/?p=php-src.git%3Ba=commit%3Bh=d650063a0457aec56364e4005a636dc6c401f9cd"
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    {
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    },
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      "url": "http://php.net/ChangeLog-7.php"
    },
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      "url": "http://rhn.redhat.com/errata/RHSA-2016-2750.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "url": "http://www.openwall.com/lists/oss-security/2016/05/05/21"
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      "url": "http://www.securityfocus.com/bid/90173"
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      "tags": [
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      "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05390722"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://security.gentoo.org/glsa/201611-22"
    }
  ],
  "sourceIdentifier": "security@debian.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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