CVE-2016-5769 (GCVE-0-2016-5769)

Vulnerability from cvelistv5 – Published: 2016-08-07 10:00 – Updated: 2024-08-06 01:15
VLAI
Summary
Multiple integer overflows in mcrypt.c in the mcrypt extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allow remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted length value, related to the (1) mcrypt_generic and (2) mdecrypt_generic functions.
Severity
9.8 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
Date Public
2016-06-23 00:00
Show details on NVD website
To clipboard 

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      "id": "CVE-2016-5769",
      "lastModified": "2024-11-21T02:54:59.310",
      "metrics": "{\"cvssMetricV30\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.0\", \"vectorString\": \"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 9.8, \"baseSeverity\": \"CRITICAL\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:P/I:P/A:P\", \"baseScore\": 7.5, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"PARTIAL\", \"integrityImpact\": \"PARTIAL\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 10.0, \"impactScore\": 6.4, \"acInsufInfo\": true, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2016-08-07T10:59:17.070",
      "references": "[{\"url\": \"http://github.com/php/php-src/commit/6c5211a0cef0cc2854eaa387e0eb036e012904d0?w=1\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00025.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://php.net/ChangeLog-5.php\", \"source\": \"cve@mitre.org\", \"tags\": [\"Patch\", \"Release Notes\"]}, {\"url\": \"http://php.net/ChangeLog-7.php\", \"source\": \"cve@mitre.org\", \"tags\": [\"Broken Link\"]}, {\"url\": \"http://www.debian.org/security/2016/dsa-3618\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2016/06/23/4\", \"source\": \"cve@mitre.org\", \"tags\": [\"Release Notes\"]}, {\"url\": \"http://www.securityfocus.com/bid/91399\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://bugs.php.net/bug.php?id=72455\", \"source\": \"cve@mitre.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://support.apple.com/HT207170\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://github.com/php/php-src/commit/6c5211a0cef0cc2854eaa387e0eb036e012904d0?w=1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00004.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00025.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://lists.opensuse.org/opensuse-updates/2016-08/msg00003.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://php.net/ChangeLog-5.php\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Release Notes\"]}, {\"url\": \"http://php.net/ChangeLog-7.php\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Broken Link\"]}, {\"url\": \"http://www.debian.org/security/2016/dsa-3618\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.openwall.com/lists/oss-security/2016/06/23/4\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Release Notes\"]}, {\"url\": \"http://www.securityfocus.com/bid/91399\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://bugs.php.net/bug.php?id=72455\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05240731\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://support.apple.com/HT207170\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "cve@mitre.org",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-190\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2016-5769\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2016-08-07T10:59:17.070\",\"lastModified\":\"2026-05-06T22:30:45.220\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Multiple integer overflows in mcrypt.c in the mcrypt extension in PHP before 5.5.37, 5.6.x before 5.6.23, and 7.x before 7.0.8 allow remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted length value, related to the (1) mcrypt_generic and (2) mdecrypt_generic functions.\"},{\"lang\":\"es\",\"value\":\"M\u00faltiples desbordamientos de entero en mcrypt.c en la extensi\u00f3n mcrypt en PHP en versiones anteriores a 5.5.37, 5.6.x en versiones anteriores a 5.6.23 y 7.x en versiones anteriores a 7.0.8 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (desbordamiento de b\u00fafer basado en memoria din\u00e1mica y ca\u00edda de aplicaci\u00f3n) o posiblemente tener otro impacto no especificado a trav\u00e9s de un valor de longitud manipulado, relacionado con las funciones (1) mcrypt_generic y (2) mdecrypt_generic.\"}],\"metrics\":{\"cvssMetricV30\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.0\",\"vectorString\":\"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":true,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-190\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"5.5.36\",\"matchCriteriaId\":\"44C85C39-7022-488D-8473-DB55CF456D7E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.0:alpha1:*:*:*:*:*:*\",\"matchCriteriaId\":\"5BF4E8FF-A3EC-43E8-A0C1-FD38AFCB77B8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.0:alpha2:*:*:*:*:*:*\",\"matchCriteriaId\":\"54ADECFC-3C07-43BC-B296-6C25AC7F1C95\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.0:alpha3:*:*:*:*:*:*\",\"matchCriteriaId\":\"FE192054-2FBB-4388-A52A-422E20DEA2D7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.0:alpha4:*:*:*:*:*:*\",\"matchCriteriaId\":\"F0195D48-3B42-4AC0-B9C5-436E01C63879\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.0:alpha5:*:*:*:*:*:*\",\"matchCriteriaId\":\"BF0E5D67-ABC1-41A5-94E1-7DD3CDB51D81\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.0:beta1:*:*:*:*:*:*\",\"matchCriteriaId\":\"319E0573-B1AD-40B6-B4BC-8BE67ED3EFDB\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.0:beta2:*:*:*:*:*:*\",\"matchCriteriaId\":\"1A7C00EB-87B7-4EB7-A4AC-8665D8C78467\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.0:beta3:*:*:*:*:*:*\",\"matchCriteriaId\":\"21BFCF10-786A-4D1E-9C37-50A1EC6056F1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.0:beta4:*:*:*:*:*:*\",\"matchCriteriaId\":\"95A6D6C8-5F46-4897-A0B0-778631E8CE6A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F1F13E2D-A8F7-4B74-8D03-7905C81672C9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AE18933A-5FE6-41C7-B1B6-DA3E762C3FB6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9AE1289F-03A6-4621-B387-5F5ADAC4AE92\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"383697F5-D29E-475A-84F3-46B54A928889\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"786ED182-5D71-4197-9196-12AB5CF05F85\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BF90980D-74AD-44AA-A7C5-A0B294CCE4F8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.7:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"48D6B69C-8F27-4F4C-B953-67A7F9C2FBA5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.8:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"B53DC0C3-EA19-4465-B65A-BC7CDB10D8BF\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.9:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BEA4DFC1-6C0C-42FB-9F47-E3E1AA9E47E0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D904E21A-4B3B-4D96-850C-0C0315F14E6D\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.11:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C7CEF6D7-8966-45E7-BEBB-12055F5898C6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.12:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"171C1035-414C-4F3A-90F4-1A8ED26E3346\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.13:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"725BBA4E-B3BA-4AFA-A284-E0CDE3EC8FB4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.14:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F7793408-66A2-4DE7-B5AA-E49E8A2EE043\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.15:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"95840EC0-512D-468D-99B0-17E8CFDD6BE0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.6.16:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E1078D15-8073-4C04-82C2-3C8111E18B6C\"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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-27T06:35:07+00:00",
      "cve": "CVE-2016-5769",
      "id": "CVE-2016-5769",
      "initial_release_date": "2016-06-23T00:00:00+00:00",
      "product_status:known_not_affected": "140",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "php: Integer Overflows in mcrypt_generic() and mdecrypt_generic() resulting in heap overflows",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-5769.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2025-10-07T10:55:21Z",
      "cve": "CVE-2016-5769",
      "id": "CVE-2016-5769",
      "initial_release_date": "2023-02-15T05:00:07Z",
      "product_status:known_affected": "1081",
      "product_status:known_not_affected": "500",
      "product_status:recommended": "814",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2016-5769",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2016-5769.json",
      "version": "11"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • 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.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.