CVE-2017-12932 (GCVE-0-2017-12932)

Vulnerability from cvelistv5 – Published: 2017-08-18 03:00 – Updated: 2024-08-05 18:51
VLAI
Summary
ext/standard/var_unserializer.re in PHP 7.0.x through 7.0.22 and 7.1.x through 7.1.8 is prone to a heap use after free while unserializing untrusted data, related to improper use of the hash API for key deletion in a situation with an invalid array size. Exploitation of this issue can have an unspecified impact on the integrity of PHP.
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
2017-08-17 00:00
Show details on NVD website
To clipboard 

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PHP.\"}],\"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-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DB6890AF-8A0A-46EE-AAD5-CF9AAE14A321\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6B90B947-7B54-47F3-9637-2F4AC44079EE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"35848414-BD5D-4164-84DC-61ABBB1C4152\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.3:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2B1F8402-8551-4F66-A9A7-81D472AB058E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.4:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7A773E8E-48CD-4D35-A0FD-629BD9334486\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.5:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FC492340-79AF-4676-A161-079A97EC6F0C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.6:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F1C2D8FE-C380-4B43-B634-A3DBA4700A71\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.7:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"3EB58393-0C10-413C-8D95-6BAA8BC19A1B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.8:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"751F51CA-9D88-4971-A6EC-8C0B72E8E22B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.9:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"37B74118-8FC2-44CB-9673-A83DF777B2E6\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4D56A200-1477-40DA-9444-CFC946157C69\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.11:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"FD0D1CCC-A857-4C15-899E-08F9255CEE34\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.12:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6745CC43-2836-4CD8-848F-EEA08AE9D5AC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.13:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7BEB6696-14F9-4D9B-9974-B682FFBB828E\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.14:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"04146390-021D-4147-9830-9EAA90D120A7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.15:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"5B124547-DC1D-4A92-B8AB-8A1900063786\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.16:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F45B2127-CF3D-4D59-9042-AE6DF2908319\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.17:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"29A450E3-931F-4487-A76D-80A38210297A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.18:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C099A0C4-883D-42ED-8359-FFD3ADD692A3\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.19:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"ABD07432-5A23-491E-892E-42F0F58307D0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.20:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"19627ECC-9342-4917-8FCC-7757339E3242\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.21:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"8FF89D76-3FB3-42FA-80FF-53C2E222F9E9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.0.22:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AF27AF4F-68BB-465A-8668-44833A87D023\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.1.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0C68AA43-ED90-4B98-A5F8-4E210C2CC7CD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.1.1:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2466D297-9442-40B0-A1A7-F9D166396CF8\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.1.2:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EADBF7EE-18DC-49F9-BF2F-A09BBAE76F45\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:php:php:7.1.3:*:*:*:*:*:*:*\",\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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-28T11:41:19+00:00",
      "cve": "CVE-2017-12932",
      "id": "CVE-2017-12932",
      "initial_release_date": "2017-02-20T00:00:00+00:00",
      "product_status:fixed": "740",
      "product_status:known_not_affected": "86",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "php: Heap use after free in ext/standard/var_unserializer.re",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2017/cve-2017-12932.json",
      "version": "3"
    }
  }
}