CVE-2024-3096 (GCVE-0-2024-3096)
Vulnerability from cvelistv5 – Published: 2024-04-29 03:42 – Updated: 2025-11-04 17:19
VLAI
EPSS
VEX
Title
PHP function password_verify can erroneously return true when argument contains NUL
Summary
In PHP version 8.1.* before 8.1.28, 8.2.* before 8.2.18, 8.3.* before 8.3.5, if 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.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-04-29 15:14 UTC
CWE
- CWE-20 - Improper Input Validation
Assigner
References
6 references
Impacted products
4 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| PHP Group | PHP |
Affected:
8.1.* , < 8.1.28
(semver)
Affected: 8.2.* , < 8.2.18 (semver) Affected: 8.3.* , < 8.3.5 (semver) |
guessed | |
| php_group | php |
Affected:
8.1.0
cpe:2.3:a:php_group:php:8.1.0:*:*:*:*:*:*:* |
||
| php_group | php |
Affected:
8.2.0
cpe:2.3:a:php_group:php:8.2.0:*:*:*:*:*:*:* |
||
| php_group | php |
Affected:
8.3.0
cpe:2.3:a:php_group:php:8.3.0:*:*:*:*:*:*:* |
Date Public
2024-04-11 22:59
{
"containers": {
"adp": [
{
"affected": [
{
"cpes": [
"cpe:2.3:a:php_group:php:8.1.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "php",
"vendor": "php_group",
"versions": [
{
"status": "affected",
"version": "8.1.0"
}
]
},
{
"cpes": [
"cpe:2.3:a:php_group:php:8.2.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "php",
"vendor": "php_group",
"versions": [
{
"status": "affected",
"version": "8.2.0"
}
]
},
{
"cpes": [
"cpe:2.3:a:php_group:php:8.3.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "php",
"vendor": "php_group",
"versions": [
{
"status": "affected",
"version": "8.3.0"
}
]
}
],
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-3096",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-04-29T15:14:15.199723Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-06-04T17:32:24.609Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2025-11-04T17:19:57.320Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://github.com/php/php-src/security/advisories/GHSA-h746-cjrr-wfmr"
},
{
"tags": [
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2024/04/12/11"
},
{
"tags": [
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00005.html"
},
{
"tags": [
"x_transferred"
],
"url": "https://security.netapp.com/advisory/ntap-20240510-0010/"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZGWIK3HMBACERGB4TSBB2JUOMPYY2VKY/"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJZK3X6B7FBE32FETDSMRLJXTFTHKWSY/"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"defaultStatus": "affected",
"product": "PHP",
"vendor": "PHP Group",
"versions": [
{
"lessThan": "8.1.28",
"status": "affected",
"version": "8.1.*",
"versionType": "semver"
},
{
"lessThan": "8.2.18",
"status": "affected",
"version": "8.2.*",
"versionType": "semver"
},
{
"lessThan": "8.3.5",
"status": "affected",
"version": "8.3.*",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Eric Stern"
}
],
"datePublic": "2024-04-11T22:59:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"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"
}
],
"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."
}
],
"impacts": [
{
"capecId": "CAPEC-52",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-52 Embedding NULL Bytes"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"description": "CWE-20 Improper Input Validation",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-06-10T17:09:44.676Z",
"orgId": "dd77f84a-d19a-4638-8c3d-a322d820ed2b",
"shortName": "php"
},
"references": [
{
"url": "https://github.com/php/php-src/security/advisories/GHSA-h746-cjrr-wfmr"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/04/12/11"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00005.html"
},
{
"url": "https://security.netapp.com/advisory/ntap-20240510-0010/"
}
],
"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;"
}
],
"value": "Pre-filter potential password strings to ensure they do not contain NUL bytes."
}
],
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"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": "2025-11-04T17:19:57.320Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2024-3096",
"date": "2026-09-19",
"epss": "0.01492",
"percentile": "0.72981"
},
"fkie_nvd": {
"descriptions": [
{
"lang": "en",
"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"
},
{
"lang": "es",
"value": "En la versi\u00f3n PHP 8.1.* anterior a 8.1.28, 8.2.* anterior a 8.2.18, 8.3.* anterior a 8.3.5, si una contrase\u00f1a almacenada con contrase\u00f1a_hash() comienza con un byte nulo (\\x00), se prueba una cadena en blanco como la contrase\u00f1a a trav\u00e9s de contrase\u00f1a_verify() devolver\u00e1 verdadero incorrectamente."
}
],
"id": "CVE-2024-3096",
"lastModified": "2024-11-21T09:28:53.520",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6,
"source": "security@php.net",
"type": "Secondary"
}
]
},
"published": "2024-04-29T04:15:08.350",
"references": [
{
"source": "security@php.net",
"url": "http://www.openwall.com/lists/oss-security/2024/04/12/11"
},
{
"source": "security@php.net",
"url": "https://github.com/php/php-src/security/advisories/GHSA-h746-cjrr-wfmr"
},
{
"source": "security@php.net",
"url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00005.html"
},
{
"source": "security@php.net",
"url": "https://security.netapp.com/advisory/ntap-20240510-0010/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2024/04/12/11"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://github.com/php/php-src/security/advisories/GHSA-h746-cjrr-wfmr"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00005.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://security.netapp.com/advisory/ntap-20240510-0010/"
}
],
"sourceIdentifier": "security@php.net",
"vulnStatus": "Awaiting Analysis",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "security@php.net",
"type": "Secondary"
}
]
},
"microsoft_vex": {
"current_release_date": "2026-02-18T02:51:14.000Z",
"cve": "CVE-2024-3096",
"id": "msrc_CVE-2024-3096",
"initial_release_date": "2024-04-02T07:00:00.000Z",
"product_status:fixed": "4",
"product_status:known_affected": "4",
"source": "Microsoft CSAF VEX",
"status": "final",
"title": "PHP function password_verify can erroneously return true when argument contains NUL",
"url": "https://msrc.microsoft.com/csaf/vex/2024/msrc_cve-2024-3096.json",
"version": "3"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"defaultStatus": "affected",
"product": "PHP",
"vendor": "PHP Group",
"versions": [
{
"lessThan": "8.1.28",
"status": "affected",
"version": "8.1.*",
"versionType": "semver"
},
{
"lessThan": "8.2.18",
"status": "affected",
"version": "8.2.*",
"versionType": "semver"
},
{
"lessThan": "8.3.5",
"status": "affected",
"version": "8.3.*",
"versionType": "semver"
}
]
}
],
"source": "security@php.net"
},
{
"affectedData": [
{
"cpes": [
"cpe:2.3:a:php_group:php:8.1.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "php",
"vendor": "php_group",
"versions": [
{
"status": "affected",
"version": "8.1.0"
}
]
},
{
"cpes": [
"cpe:2.3:a:php_group:php:8.2.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "php",
"vendor": "php_group",
"versions": [
{
"status": "affected",
"version": "8.2.0"
}
]
},
{
"cpes": [
"cpe:2.3:a:php_group:php:8.3.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "php",
"vendor": "php_group",
"versions": [
{
"status": "affected",
"version": "8.3.0"
}
]
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
"matchCriteriaId": "A888D1BE-9D93-4707-AA45-61EF1DB5488C",
"versionEndExcluding": "8.1.28",
"versionStartIncluding": "8.1.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
"matchCriteriaId": "6AC1B000-D5C4-49E9-8EFE-8C5C8FF50AF2",
"versionEndExcluding": "8.2.18",
"versionStartIncluding": "8.2.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*",
"matchCriteriaId": "BE619987-797E-493B-B089-2E1CADDA9C47",
"versionEndExcluding": "8.3.5",
"versionStartIncluding": "8.3.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
},
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"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."
},
{
"lang": "es",
"value": "En la versi\u00f3n PHP 8.1.* anterior a 8.1.28, 8.2.* anterior a 8.2.18, 8.3.* anterior a 8.3.5, si una contrase\u00f1a almacenada con contrase\u00f1a_hash() comienza con un byte nulo (\\x00), se prueba una cadena en blanco como la contrase\u00f1a a trav\u00e9s de contrase\u00f1a_verify() devolver\u00e1 verdadero incorrectamente."
}
],
"id": "CVE-2024-3096",
"lastModified": "2026-06-17T07:43:18.140",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6,
"source": "security@php.net",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2024-3096",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-04-29T15:14:15.199723Z",
"version": "2.0.3"
}
}
]
},
"published": "2024-04-29T04:15:08.350",
"references": [
{
"source": "security@php.net",
"tags": [
"Mailing List"
],
"url": "http://www.openwall.com/lists/oss-security/2024/04/12/11"
},
{
"source": "security@php.net",
"tags": [
"Exploit",
"Vendor Advisory"
],
"url": "https://github.com/php/php-src/security/advisories/GHSA-h746-cjrr-wfmr"
},
{
"source": "security@php.net",
"tags": [
"Mailing List"
],
"url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00005.html"
},
{
"source": "security@php.net",
"tags": [
"Third Party Advisory"
],
"url": "https://security.netapp.com/advisory/ntap-20240510-0010/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List"
],
"url": "http://www.openwall.com/lists/oss-security/2024/04/12/11"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Vendor Advisory"
],
"url": "https://github.com/php/php-src/security/advisories/GHSA-h746-cjrr-wfmr"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List"
],
"url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00005.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJZK3X6B7FBE32FETDSMRLJXTFTHKWSY/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZGWIK3HMBACERGB4TSBB2JUOMPYY2VKY/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "https://security.netapp.com/advisory/ntap-20240510-0010/"
}
],
"sourceIdentifier": "security@php.net",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "security@php.net",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Low",
"current_release_date": "2026-08-06T15:50:58+00:00",
"cve": "CVE-2024-3096",
"id": "CVE-2024-3096",
"initial_release_date": "2024-04-12T00:00:00+00:00",
"product_status:fixed": "1303",
"product_status:known_affected": "101",
"product_status:known_not_affected": "26",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "php: password_verify can erroneously return true, opening ATO risk",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-3096.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-12T17:04:49Z",
"cve": "CVE-2024-3096",
"id": "CVE-2024-3096",
"initial_release_date": "2025-02-14T05:49:09Z",
"product_status:known_affected": "1199",
"product_status:known_not_affected": "189",
"product_status:recommended": "2085",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2024-3096",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2024-3096.json",
"version": "22"
},
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2025-11-04T17:19:57.320Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://github.com/php/php-src/security/advisories/GHSA-h746-cjrr-wfmr"
},
{
"tags": [
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2024/04/12/11"
},
{
"tags": [
"x_transferred"
],
"url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00005.html"
},
{
"tags": [
"x_transferred"
],
"url": "https://security.netapp.com/advisory/ntap-20240510-0010/"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZGWIK3HMBACERGB4TSBB2JUOMPYY2VKY/"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KJZK3X6B7FBE32FETDSMRLJXTFTHKWSY/"
}
],
"title": "CVE Program Container"
},
{
"affected": [
{
"cpes": [
"cpe:2.3:a:php_group:php:8.1.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "php",
"vendor": "php_group",
"versions": [
{
"status": "affected",
"version": "8.1.0"
}
]
},
{
"cpes": [
"cpe:2.3:a:php_group:php:8.2.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "php",
"vendor": "php_group",
"versions": [
{
"status": "affected",
"version": "8.2.0"
}
]
},
{
"cpes": [
"cpe:2.3:a:php_group:php:8.3.0:*:*:*:*:*:*:*"
],
"defaultStatus": "unknown",
"product": "php",
"vendor": "php_group",
"versions": [
{
"status": "affected",
"version": "8.3.0"
}
]
}
],
"metrics": [
{
"other": {
"content": {
"id": "CVE-2024-3096",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-04-29T15:14:15.199723Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-04-29T15:17:34.528Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "affected",
"product": "PHP",
"vendor": "PHP Group",
"versions": [
{
"lessThan": "8.1.28",
"status": "affected",
"version": "8.1.*",
"versionType": "semver"
},
{
"lessThan": "8.2.18",
"status": "affected",
"version": "8.2.*",
"versionType": "semver"
},
{
"lessThan": "8.3.5",
"status": "affected",
"version": "8.3.*",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Eric Stern"
}
],
"datePublic": "2024-04-11T22:59:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"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"
}
],
"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."
}
],
"impacts": [
{
"capecId": "CAPEC-52",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-52 Embedding NULL Bytes"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-20",
"description": "CWE-20 Improper Input Validation",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-06-10T17:09:44.676Z",
"orgId": "dd77f84a-d19a-4638-8c3d-a322d820ed2b",
"shortName": "php"
},
"references": [
{
"url": "https://github.com/php/php-src/security/advisories/GHSA-h746-cjrr-wfmr"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/04/12/11"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00005.html"
},
{
"url": "https://security.netapp.com/advisory/ntap-20240510-0010/"
}
],
"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;"
}
],
"value": "Pre-filter potential password strings to ensure they do not contain NUL bytes."
}
],
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"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": "2025-11-04T17:19:57.320Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
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.
Loading…