CVE-2019-9536 - Vulnerability Details - OpenCVE

Description

Apple iPhone 3GS bootrom malloc implementation returns a non-NULL pointer when unable to allocate memory, aka 'alloc8'. An attacker with physical access to the device can install arbitrary firmware.

Published: 2019-11-22

Score: 6.1 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Apple

iPhone

affected

Version	Status	Constraints
`3GS`	affected	—

Configuration 1 [-]

cpe:2.3:h:apple:iphone_3gs:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2019-18908	Apple iPhone 3GS bootrom malloc implementation returns a non-NULL pointer when unable to allocate memory, aka 'alloc8'. An attacker with physical access to the device can install arbitrary firmware.

No CVSS v4.0

Attack Vector Physical

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Medium

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00166.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/axi0mX/alloc8
https://github.com/axi0mX/ipwndfu/blob/master/alloc8.py

History

No history.

Subscriptions

Apple Iphone 3gs

MITRE

Status: PUBLISHED

Assigner: certcc

Published: 2019-11-22T17:41:08.000Z

Updated: 2024-08-04T21:54:44.397Z

Reserved: 2019-03-01T00:00:00.000Z

Link: CVE-2019-9536

Vulnrichment

No data.

NVD

Status : Modified

Published: 2019-11-22T18:15:11.170

Modified: 2024-11-21T04:51:48.550

Link: CVE-2019-9536

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-755

{"containers": {"cna": {"affected": [{"product": "iPhone", "vendor": "Apple", "versions": [{"status": "affected", "version": "3GS"}]}], "credits": [{"lang": "en", "value": "axi0mX"}], "descriptions": [{"lang": "en", "value": "Apple iPhone 3GS bootrom malloc implementation returns a non-NULL pointer when unable to allocate memory, aka 'alloc8'. An attacker with physical access to the device can install arbitrary firmware."}], "exploits": [{"lang": "en", "value": "https://github.com/axi0mX/ipwndfu/blob/master/alloc8.py"}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}}], "problemTypes": [{"descriptions": [{"description": "insecure malloc implementation", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-11-22T17:41:08.000Z", "orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/axi0mX/ipwndfu/blob/master/alloc8.py"}, {"tags": ["x_refsource_MISC"], "url": "https://github.com/axi0mX/alloc8"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"AKA": "alloc8", "ASSIGNER": "cert@cert.org", "ID": "CVE-2019-9536", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "iPhone", "version": {"version_data": [{"version_value": "3GS"}]}}]}, "vendor_name": "Apple"}]}}, "credit": [{"lang": "eng", "value": "axi0mX"}], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Apple iPhone 3GS bootrom malloc implementation returns a non-NULL pointer when unable to allocate memory, aka 'alloc8'. An attacker with physical access to the device can install arbitrary firmware."}]}, "exploit": [{"lang": "en", "value": "https://github.com/axi0mX/ipwndfu/blob/master/alloc8.py"}], "generator": {"engine": "Vulnogram 0.0.9"}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "insecure malloc implementation"}]}]}, "references": {"reference_data": [{"name": "https://github.com/axi0mX/ipwndfu/blob/master/alloc8.py", "refsource": "MISC", "url": "https://github.com/axi0mX/ipwndfu/blob/master/alloc8.py"}, {"name": "https://github.com/axi0mX/alloc8", "refsource": "MISC", "url": "https://github.com/axi0mX/alloc8"}]}, "source": {"discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T21:54:44.397Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/axi0mX/ipwndfu/blob/master/alloc8.py"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/axi0mX/alloc8"}]}]}, "cveMetadata": {"assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "assignerShortName": "certcc", "cveId": "CVE-2019-9536", "datePublished": "2019-11-22T17:41:08.000Z", "dateReserved": "2019-03-01T00:00:00.000Z", "dateUpdated": "2024-08-04T21:54:44.397Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:h:apple:iphone_3gs:-:*:*:*:*:*:*:*", "matchCriteriaId": "9F47AA5E-7909-4F36-9B69-4977B4BB35F8", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Apple iPhone 3GS bootrom malloc implementation returns a non-NULL pointer when unable to allocate memory, aka 'alloc8'. An attacker with physical access to the device can install arbitrary firmware."}, {"lang": "es", "value": "La implementaci\u00f3n de bootrom malloc del Apple iPhone 3GS devuelve un puntero no NULL cuando no puede asignar la memoria, tambi\u00e9n se conoce como \"alloc8\". Un atacante con acceso f\u00edsico al dispositivo puede instalar un firmware arbitrario."}], "id": "CVE-2019-9536", "lastModified": "2024-11-21T04:51:48.550", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 6.9, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.4, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 5.2, "source": "cret@cert.org", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "PHYSICAL", "availabilityImpact": "HIGH", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-11-22T18:15:11.170", "references": [{"source": "cret@cert.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/axi0mX/alloc8"}, {"source": "cret@cert.org", "tags": ["Third Party Advisory"], "url": "https://github.com/axi0mX/ipwndfu/blob/master/alloc8.py"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/axi0mX/alloc8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/axi0mX/ipwndfu/blob/master/alloc8.py"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-755"}], "source": "nvd@nist.gov", "type": "Primary"}]}