cve-2015-6835
Vulnerability from cvelistv5
Published
2016-05-16 10:00
Modified
2024-08-06 07:36
Severity ?
Summary
The session deserializer in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 mishandles multiple php_var_unserialize calls, which allow remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via crafted session content.
References
security@opentext.comhttp://php.net/ChangeLog-5.php
security@opentext.comhttp://www.debian.org/security/2015/dsa-3358
security@opentext.comhttp://www.securityfocus.com/bid/76734
security@opentext.comhttp://www.securitytracker.com/id/1033548
security@opentext.comhttps://bugs.php.net/bug.php?id=70219
security@opentext.comhttps://security.gentoo.org/glsa/201606-10
af854a3a-2127-422b-91ae-364da2661108http://php.net/ChangeLog-5.php
af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2015/dsa-3358
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/76734
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1033548
af854a3a-2127-422b-91ae-364da2661108https://bugs.php.net/bug.php?id=70219
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/201606-10
Impacted products
Vendor Product Version
Show details on NVD website

To clipboard 

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      "evaluatorComment": "\u003ca href=\"http://cwe.mitre.org/data/definitions/416.html\"\u003eCWE-416: Use After Free\u003c/a\u003e",
      "id": "CVE-2015-6835",
      "lastModified": "2024-11-21T02:35:45.130",
      "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\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2016-05-16T10:59:19.580",
      "references": "[{\"url\": \"http://php.net/ChangeLog-5.php\", \"source\": \"security@opentext.com\"}, {\"url\": \"http://www.debian.org/security/2015/dsa-3358\", \"source\": \"security@opentext.com\"}, {\"url\": \"http://www.securityfocus.com/bid/76734\", \"source\": \"security@opentext.com\"}, {\"url\": \"http://www.securitytracker.com/id/1033548\", \"source\": \"security@opentext.com\"}, {\"url\": \"https://bugs.php.net/bug.php?id=70219\", \"source\": \"security@opentext.com\"}, {\"url\": \"https://security.gentoo.org/glsa/201606-10\", \"source\": \"security@opentext.com\"}, {\"url\": \"http://php.net/ChangeLog-5.php\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.debian.org/security/2015/dsa-3358\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.securityfocus.com/bid/76734\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"http://www.securitytracker.com/id/1033548\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://bugs.php.net/bug.php?id=70219\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}, {\"url\": \"https://security.gentoo.org/glsa/201606-10\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\"}]",
      "sourceIdentifier": "security@opentext.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-Other\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2015-6835\",\"sourceIdentifier\":\"security@opentext.com\",\"published\":\"2016-05-16T10:59:19.580\",\"lastModified\":\"2024-11-21T02:35:45.130\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The session deserializer in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 mishandles multiple php_var_unserialize calls, which allow remote attackers to execute arbitrary code or cause a denial of service (use-after-free) via crafted session content.\"},{\"lang\":\"es\",\"value\":\"La sesi\u00f3n deserializer en PHP en versiones anteriores a 5.4.45, 5.5.x en versiones anteriores a 5.5.29 y 5.6.x en versiones anteriores a 5.6.13 no es correctamente manejada en llamadas multiples php_var_unserialize, lo que permite a atacantes remotos ejecutar c\u00f3digo arbitrario o causar una denegaci\u00f3n del servicio (uso despu\u00e9s de liberaci\u00f3n de memoria) a trav\u00e9s de una sesi\u00f3n de contenido manipulada.\"}],\"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\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"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\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"5.4.44\",\"matchCriteriaId\":\"2382042D-E28D-480C-9504-AC073E8A1C6C\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.5.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"9F6D9B19-E64D-4BED-9194-17460CE19E6F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.5.0:alpha1:*:*:*:*:*:*\",\"matchCriteriaId\":\"3D25E591-448C-4E3B-8557-6E48F7571796\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:5.5.0:alpha2:*:*:*:*:*:*\",\"matchCriteriaId\":\"6DA18F3F-B4B5-40C3-BF19-67C1F0C17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href=\\\"http://cwe.mitre.org/data/definitions/416.html\\\"\u003eCWE-416: Use After Free\u003c/a\u003e\"}}"
  }
}


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