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CVE-2016-6296 (GCVE-0-2016-6296)

Vulnerability from cvelistv5 – Published: 2016-07-25 14:00 – Updated: 2024-08-06 01:22
VLAI
Summary
Integer signedness error in the simplestring_addn function in simplestring.c in xmlrpc-epi through 0.54.2, as used in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9, allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a long first argument to the PHP xmlrpc_encode_request function.
CWE
  • n/a
References
URL Tags
http://www.securityfocus.com/bid/92095 vdb-entryx_refsource_BID
http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=… x_refsource_CONFIRM
http://lists.apple.com/archives/security-announce… vendor-advisoryx_refsource_APPLE
https://security.gentoo.org/glsa/201611-22 vendor-advisoryx_refsource_GENTOO
http://rhn.redhat.com/errata/RHSA-2016-2750.html vendor-advisoryx_refsource_REDHAT
http://www.ubuntu.com/usn/USN-3059-1 vendor-advisoryx_refsource_UBUNTU
https://bugs.php.net/72606 x_refsource_CONFIRM
http://php.net/ChangeLog-5.php x_refsource_CONFIRM
http://www.securitytracker.com/id/1036430 vdb-entryx_refsource_SECTRACK
http://www.debian.org/security/2016/dsa-3631 vendor-advisoryx_refsource_DEBIAN
http://php.net/ChangeLog-7.php x_refsource_CONFIRM
http://openwall.com/lists/oss-security/2016/07/24/2 mailing-listx_refsource_MLIST
https://support.apple.com/HT207170 x_refsource_CONFIRM
https://lists.debian.org/debian-lts-announce/2019… mailing-listx_refsource_MLIST
Date Public
2016-07-21 00:00
Show details on NVD website

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\"matchCriteriaId\": \"751F51CA-9D88-4971-A6EC-8C0B72E8E22B\"}]}]}]",
      "descriptions": "[{\"lang\": \"en\", \"value\": \"Integer signedness error in the simplestring_addn function in simplestring.c in xmlrpc-epi through 0.54.2, as used in PHP before 5.5.38, 5.6.x before 5.6.24, and 7.x before 7.0.9, allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a long first argument to the PHP xmlrpc_encode_request function.\"}, {\"lang\": \"es\", \"value\": \"Error de firma de entero en la funci\\u00f3n simplestring_addn en simplestring.c en xmlrpc-epi hasta la versi\\u00f3n 0.54.2, tal como se utiliza en PHP en versiones anteriores a 5.5.38, 5.6.x en versiones anteriores a 5.6.24 y 7.x en versiones anteriores a 7.0.9, permite a atacantes remotos provocar una denegaci\\u00f3n de servicio (desbordamiento de buffer basado en memoria din\\u00e1mica) o posiblemente tener otro impacto no especificado a trav\\u00e9s de un primer argumento largo para la funci\\u00f3n xmlrpc_encode_request de PHP.\"}]",
      "id": "CVE-2016-6296",
      "lastModified": "2024-11-21T02:55:50.517",
      "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": "2016-07-25T14:59:10.297",
      "references": "[{\"url\": \"http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=e6c48213c22ed50b2b987b479fcc1ac709394caa\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://lists.apple.com/archives/security-announce/2016/Sep/msg00006.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://openwall.com/lists/oss-security/2016/07/24/2\", \"source\": \"cve@mitre.org\", \"tags\": [\"Mailing List\"]}, {\"url\": \"http://php.net/ChangeLog-5.php\", \"source\": \"cve@mitre.org\", \"tags\": [\"Release Notes\"]}, {\"url\": \"http://php.net/ChangeLog-7.php\", \"source\": \"cve@mitre.org\", \"tags\": [\"Release Notes\"]}, {\"url\": \"http://rhn.redhat.com/errata/RHSA-2016-2750.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.debian.org/security/2016/dsa-3631\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.securityfocus.com/bid/92095\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"http://www.securitytracker.com/id/1036430\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-3059-1\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://bugs.php.net/72606\", \"source\": \"cve@mitre.org\", \"tags\": [\"Exploit\", \"Issue Tracking\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2019/11/msg00029.html\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://security.gentoo.org/glsa/201611-22\", \"source\": \"cve@mitre.org\"}, {\"url\": \"https://support.apple.com/HT207170\", \"source\": \"cve@mitre.org\"}, {\"url\": \"http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=e6c48213c22ed50b2b987b479fcc1ac709394caa\", \"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://openwall.com/lists/oss-security/2016/07/24/2\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\"]}, {\"url\": \"http://php.net/ChangeLog-5.php\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Release Notes\"]}, {\"url\": \"http://php.net/ChangeLog-7.php\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Release Notes\"]}, {\"url\": \"http://rhn.redhat.com/errata/RHSA-2016-2750.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.debian.org/security/2016/dsa-3631\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.securityfocus.com/bid/92095\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"http://www.securitytracker.com/id/1036430\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.ubuntu.com/usn/USN-3059-1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://bugs.php.net/72606\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Exploit\", \"Issue Tracking\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2019/11/msg00029.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://security.gentoo.org/glsa/201611-22\", \"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-119\"}]}]"
    },
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Notes\"]},{\"url\":\"http://rhn.redhat.com/errata/RHSA-2016-2750.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.debian.org/security/2016/dsa-3631\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.securityfocus.com/bid/92095\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"http://www.securitytracker.com/id/1036430\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"http://www.ubuntu.com/usn/USN-3059-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://bugs.php.net/72606\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Exploit\",\"Issue Tracking\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2019/11/msg00029.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.gentoo.org/glsa/201611-22\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://support.apple.com/HT207170\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}",
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T11:33:29+00:00",
      "cve": "CVE-2016-6296",
      "id": "CVE-2016-6296",
      "initial_release_date": "2016-07-17T00:00:00+00:00",
      "product_status:fixed": "251",
      "product_status:known_affected": "110",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "php: Heap buffer overflow vulnerability in simplestring_addn in simplestring.c",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2016/cve-2016-6296.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "low",
      "current_release_date": "2026-08-15T00:31:07Z",
      "cve": "CVE-2016-6296",
      "id": "CVE-2016-6296",
      "initial_release_date": "2023-02-15T04:59:37Z",
      "product_status:known_not_affected": "1470",
      "product_status:recommended": "1393",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2016-6296",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2016-6296.json",
      "version": "14"
    }
  }
}



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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.

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Detection rules are retrieved from Rulezet.

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Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


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