FKIE_CVE-2016-4537

Vulnerability from fkie_nvd - Published: 2016-05-22 01:59 - Updated: 2025-04-12 10:46
Severity ?
9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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
To clipboard 

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  "cveTags": [],
  "descriptions": [
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      "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."
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    }
  ],
  "id": "CVE-2016-4537",
  "lastModified": "2025-04-12T10:46:40.837",
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  "published": "2016-05-22T01:59:21.963",
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  "sourceIdentifier": "security@debian.org",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.