FKIE_CVE-2018-10545
Vulnerability from fkie_nvd - Published: 2018-04-29 21:29 - Updated: 2024-11-21 03:41
Severity ?
Summary
An issue was discovered in PHP before 5.6.35, 7.0.x before 7.0.29, 7.1.x before 7.1.16, and 7.2.x before 7.2.4. Dumpable FPM child processes allow bypassing opcache access controls because fpm_unix.c makes a PR_SET_DUMPABLE prctl call, allowing one user (in a multiuser environment) to obtain sensitive information from the process memory of a second user's PHP applications by running gcore on the PID of the PHP-FPM worker process.
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| php | php | * | |
| php | php | * | |
| php | php | * | |
| php | php | * | |
| canonical | ubuntu_linux | 12.04 | |
| canonical | ubuntu_linux | 14.04 | |
| canonical | ubuntu_linux | 16.04 | |
| canonical | ubuntu_linux | 17.10 | |
| canonical | ubuntu_linux | 18.04 | |
| debian | debian_linux | 7.0 | |
| debian | debian_linux | 8.0 | |
| debian | debian_linux | 9.0 | |
| netapp | storage_automation_store | - |
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],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in PHP before 5.6.35, 7.0.x before 7.0.29, 7.1.x before 7.1.16, and 7.2.x before 7.2.4. Dumpable FPM child processes allow bypassing opcache access controls because fpm_unix.c makes a PR_SET_DUMPABLE prctl call, allowing one user (in a multiuser environment) to obtain sensitive information from the process memory of a second user\u0027s PHP applications by running gcore on the PID of the PHP-FPM worker process."
},
{
"lang": "es",
"value": "Se ha descubierto un problema en PHP en versiones anteriores a la 05/06/1935, versiones 7.0.x anteriores a la 7.0.29, versiones 7.1.x anteriores a la 07/01/2016 y versiones 7.2.x anteriores a la 7.2.4. Los procesos hijo FPM volcables permiten la omisi\u00f3n de los controles de acceso de opcache debido a que fpm_unix.c realiza una llamada prctl PR_SET_DUMPABLE, que permite que un usuario (en un entorno multiusuario) obtenga informaci\u00f3n sensible de la memoria del proceso de las aplicaciones PHP de un segundo usuario ejecutando gcore en el PID del proceso trabajador PHP-FPM."
}
],
"id": "CVE-2018-10545",
"lastModified": "2024-11-21T03:41:32.050",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "LOW",
"cvssData": {
"accessComplexity": "MEDIUM",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 1.9,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
"exploitabilityScore": 3.4,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV30": [
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"attackComplexity": "HIGH",
"attackVector": "LOCAL",
"availabilityImpact": "NONE",
"baseScore": 4.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.0"
},
"exploitabilityScore": 1.0,
"impactScore": 3.6,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2018-04-29T21:29:00.277",
"references": [
{
"source": "cve@mitre.org",
"tags": [
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"url": "https://security.gentoo.org/glsa/201812-01"
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}
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Sightings
| Author | Source | Type | Date |
|---|
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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