CVE-2024-3096
Vulnerability from cvelistv5
Published
2024-04-29 03:42
Modified
2024-08-01 19:32
Summary
PHP function password_verify can erroneously return true when argument contains NUL
Impacted products
PHP GroupPHP
Show details on NVD website


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          "shortName": "CISA-ADP"
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            "url": "https://github.com/php/php-src/security/advisories/GHSA-h746-cjrr-wfmr"
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            "url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00005.html"
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            "url": "https://security.netapp.com/advisory/ntap-20240510-0010/"
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    ],
    "cna": {
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          "vendor": "PHP Group",
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      "credits": [
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          "type": "reporter",
          "value": "Eric Stern"
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      "datePublic": "2024-04-11T22:59:00.000Z",
      "descriptions": [
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              "value": "\u003cp\u003eIn PHP\u0026nbsp; version 8.1.* before 8.1.28, 8.2.* before 8.2.18, 8.3.* before 8.3.5, if\u0026nbsp;a password stored with password_hash() starts with a null byte (\\x00), testing a blank string as the password via password_verify() will incorrectly return true.\u003c/p\u003e"
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          "value": "In PHP\u00a0 version 8.1.* before 8.1.28, 8.2.* before 8.2.18, 8.3.* before 8.3.5, if\u00a0a password stored with password_hash() starts with a null byte (\\x00), testing a blank string as the password via password_verify() will incorrectly return true.\n\n"
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      "impacts": [
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          "capecId": "CAPEC-52",
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            {
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              "value": "CAPEC-52 Embedding NULL Bytes"
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      "metrics": [
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            "attackVector": "NETWORK",
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            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
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            "userInteraction": "REQUIRED",
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              "description": "CWE-20 Improper Input Validation",
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      "providerMetadata": {
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        "orgId": "dd77f84a-d19a-4638-8c3d-a322d820ed2b",
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        },
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          "url": "https://security.netapp.com/advisory/ntap-20240510-0010/"
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      "source": {
        "advisory": "https://github.com/php/php-src/security/advisories/GHSA-h746-cjr",
        "discovery": "EXTERNAL"
      },
      "title": "PHP function password_verify can erroneously return true when argument contains NUL",
      "workarounds": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Pre-filter potential password strings to ensure they do not contain NUL bytes.\u0026nbsp;"
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          ],
          "value": "Pre-filter potential password strings to ensure they do not contain NUL bytes.\u00a0"
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  "cveMetadata": {
    "assignerOrgId": "dd77f84a-d19a-4638-8c3d-a322d820ed2b",
    "assignerShortName": "php",
    "cveId": "CVE-2024-3096",
    "datePublished": "2024-04-29T03:42:04.093Z",
    "dateReserved": "2024-03-29T16:57:27.435Z",
    "dateUpdated": "2024-08-01T19:32:42.742Z",
    "state": "PUBLISHED"
  },
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  "meta": {
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  }
}


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