CVE-2011-1776

{"id": "CVE-2011-1776", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 7.8, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "PHYSICAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 0.9}]}, "published": "2011-09-06T16:55:07.680", "references": [{"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fa039d5f6b126fbd65eefa05db2f67e44df8f121", "source": "secalert@redhat.com"}, {"url": "http://openwall.com/lists/oss-security/2011/05/10/4", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://rhn.redhat.com/errata/RHSA-2011-0927.html", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://securityreason.com/securityalert/8369", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39", "tags": ["Release Notes", "Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.pre-cert.de/advisories/PRE-SA-2011-04.txt", "tags": ["Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://www.securityfocus.com/bid/47796", "tags": ["Third Party Advisory", "VDB Entry"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=703026", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "secalert@redhat.com"}, {"url": "http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=fa039d5f6b126fbd65eefa05db2f67e44df8f121", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://openwall.com/lists/oss-security/2011/05/10/4", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://rhn.redhat.com/errata/RHSA-2011-0927.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://securityreason.com/securityalert/8369", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39", "tags": ["Release Notes", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.pre-cert.de/advisories/PRE-SA-2011-04.txt", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/47796", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=703026", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-119"}]}], "descriptions": [{"lang": "en", "value": "The is_gpt_valid function in fs/partitions/efi.c in the Linux kernel before 2.6.39 does not check the size of an Extensible Firmware Interface (EFI) GUID Partition Table (GPT) entry, which allows physically proximate attackers to cause a denial of service (heap-based buffer overflow and OOPS) or obtain sensitive information from kernel heap memory by connecting a crafted GPT storage device, a different vulnerability than CVE-2011-1577."}, {"lang": "es", "value": "La funci\u00f3n is_gpt_valid en fs/partitions/efi.c en el kernel de Linux v2.6.39 no comprueba el tama\u00f1o de una Tabla de particiones GUID (GPT) de un Interface Firmware Extensible (EFI), lo que permite causar a atacantes f\u00edsicamente pr\u00f3ximos una denegaci\u00f3n de servicio (desbordamiento de memoria basado en monticulo y OOPS) u obtener informaci\u00f3n confidencial de la memoria din\u00e1mica del kernel conectando un dispositivo GPT de almacenamiento hecho a mano. Se trata de una vulnerabilidad diferente a CVE-2011-1577."}], "lastModified": "2025-04-11T00:51:21.963", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "176353CE-F17E-4776-AD9F-19014DA75B76", "versionEndExcluding": "2.6.39"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "133AAFA7-AF42-4D7B-8822-AA2E85611BF5"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "54D669D4-6D7E-449D-80C1-28FA44F06FFE"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_aus:5.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BB6ADFB8-210D-4E46-82A2-1C8705928382"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_server_eus:5.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2583A5FA-BDAF-4D3C-8616-C6B0ECCD057C"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D0AC5CD5-6E58-433C-9EB3-6DFE5656463E"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}