CVE-2017-8244

{"id": "CVE-2017-8244", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.9, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.0, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.0}]}, "published": "2017-05-12T20:29:00.313", "references": [{"url": "http://www.securityfocus.com/bid/98547", "tags": ["Third Party Advisory", "VDB Entry"], "source": "product-security@qualcomm.com"}, {"url": "https://source.android.com/security/bulletin/pixel/2017-12-01", "tags": ["Vendor Advisory"], "source": "product-security@qualcomm.com"}, {"url": "https://www.codeaurora.org/buffer-overflow-msmvidc-debugfs-driver-coreinforead-and-instinforead-cve-2017-8244", "tags": ["Broken Link"], "source": "product-security@qualcomm.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-362"}]}], "descriptions": [{"lang": "en", "value": "In core_info_read and inst_info_read in all Android releases from CAF using the Linux kernel, variable \"dbg_buf\", \"dbg_buf->curr\" and \"dbg_buf->filled_size\" could be modified by different threads at the same time, but they are not protected with mutex or locks. Buffer overflow is possible on race conditions. \"buffer->curr\" itself could also be overwritten, which means that it may point to anywhere of kernel memory (for write)."}, {"lang": "es", "value": "En la funci\u00f3n core_info_read e inst_info_read en todas las versiones de Android de CAF usando el kernel de Linux, las variables \"dbg_buf\", \"dbg_buf-)curr\" y \"dbg_buf-)filled_size\" pueden ser modificadas por diferentes hilos al mismo tiempo, pero no est\u00e1n protegidos con mutex o locks. Un desbordamiento de b\u00fafer es posible sobre condiciones de carrera. \"buffer-)curr\" en s\u00ed tambi\u00e9n podr\u00eda ser sobrescrita, lo que quiere decir que puede apuntar a cualquier parte de la memoria del kernel (para escritura)."}], "lastModified": "2020-11-09T14:27:19.047", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@qualcomm.com"}