CVE-2018-10911

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An attacker could use this flaw to read memory from other locations into the stored dict value."}, {"lang": "es", "value": "Se ha detectado un error en la forma en la que la funci\u00f3n dic_unserialize en glusterfs no gestiona los valores de longitud de clave negativos. Un atacante podr\u00eda utilizar este error para leer la memoria de otras ubicaciones en el valor dict almacenado."}], "id": "CVE-2018-10911", "lastModified": "2026-06-17T01:34:54.067", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": 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{"acknowledgement": "Red Hat would like to thank Michael Hanselmann (hansmi.ch) for reporting this issue.", "affected_release": [{"advisory": "RHSA-2018:2608", "cpe": "cpe:/a:redhat:storage:3:client:el6", "package": "glusterfs-0:3.12.2-18.el6", "product_name": "Native Client for RHEL 6 for Red Hat Storage", "release_date": "2018-09-04T00:00:00Z"}, {"advisory": "RHSA-2018:2607", "cpe": "cpe:/a:redhat:storage:3:client:el7", "package": "glusterfs-0:3.12.2-18.el7", "product_name": "Native Client for RHEL 7 for Red Hat Storage", "release_date": "2018-09-04T00:00:00Z"}, {"advisory": "RHSA-2018:2892", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "glusterfs-0:3.12.2-18.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2018-10-09T00:00:00Z"}, {"advisory": "RHSA-2018:3242", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "glusterfs-0:3.12.2-18.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2018-10-30T00:00:00Z"}, {"advisory": "RHSA-2018:2608", "cpe": "cpe:/a:redhat:storage:3.4:server:el6", "package": "glusterfs-0:3.12.2-18.el6rhs", "product_name": "Red Hat Gluster Storage 3.4 for RHEL 6", "release_date": "2018-09-04T00:00:00Z"}, {"advisory": "RHSA-2018:2608", "cpe": "cpe:/a:redhat:storage:3.4:server:el6", "package": "redhat-release-server-0:6Server-6.10.0.24.el6rhs", "product_name": "Red Hat Gluster Storage 3.4 for RHEL 6", "release_date": "2018-09-04T00:00:00Z"}, {"advisory": "RHSA-2018:2608", "cpe": "cpe:/a:redhat:storage:3.4:server:el6", "package": "redhat-storage-server-0:3.4.0.0-1.el6rhs", "product_name": "Red Hat Gluster Storage 3.4 for RHEL 6", "release_date": "2018-09-04T00:00:00Z"}, {"advisory": "RHSA-2018:2607", "cpe": "cpe:/a:redhat:storage:3.4:server:el7", "package": "glusterfs-0:3.12.2-18.el7rhgs", "product_name": "Red Hat Gluster Storage 3.4 for RHEL 7", "release_date": "2018-09-04T00:00:00Z"}, {"advisory": "RHSA-2018:2607", "cpe": "cpe:/a:redhat:storage:3.4:server:el7", "package": "redhat-release-server-0:7.5-11.el7rhgs", "product_name": "Red Hat Gluster Storage 3.4 for RHEL 7", "release_date": "2018-09-04T00:00:00Z"}, {"advisory": "RHSA-2018:2607", "cpe": "cpe:/a:redhat:storage:3.4:server:el7", "package": "redhat-storage-server-0:3.4.0.0-1.el7rhgs", "product_name": "Red Hat Gluster Storage 3.4 for RHEL 7", "release_date": "2018-09-04T00:00:00Z"}, {"advisory": "RHSA-2018:2607", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "glusterfs-0:3.12.2-18.el7", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 7", "release_date": "2018-09-04T00:00:00Z"}, {"advisory": "RHSA-2018:3470", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "imgbased-0:1.0.29-1.el7ev", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 7", "release_date": "2018-11-05T00:00:00Z"}, {"advisory": "RHSA-2018:3470", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "redhat-release-virtualization-host-0:4.2-7.3.el7", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 7", "release_date": "2018-11-05T00:00:00Z"}, {"advisory": "RHSA-2018:3470", "cpe": "cpe:/o:redhat:enterprise_linux:7::hypervisor", "package": "redhat-virtualization-host-0:4.2-20181026.0.el7_6", "product_name": "Red Hat Virtualization 4 for Red Hat Enterprise Linux 7", "release_date": "2018-11-05T00:00:00Z"}], "bugzilla": {"description": "glusterfs: Improper deserialization in dict.c:dict_unserialize() can allow attackers to read arbitrary memory", "id": "1601657", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1601657"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "status": "verified"}, "cwe": "CWE-502->CWE-190->CWE-200", "details": ["A flaw was found in the way dic_unserialize function of glusterfs does not handle negative key length values. An attacker could use this flaw to read memory from other locations into the stored dict value.", "A flaw was found in dict.c:dict_unserialize function of glusterfs, dic_unserialize function does not handle negative key length values. An attacker could use this flaw to read memory from other locations into the stored dict value."], "name": "CVE-2018-10911", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "glusterfs", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2018-09-04T05:30:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2018-10911\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-10911"], "statement": "This flaw affects glusterfs versions included in Red Hat Virtualization 4 Hypervisor. However, in recommended configurations, the vulnerability is only exposed to hypervisor administrators and can not be exploited from virtual machines or other hosts on the network. For Red Hat Virtualization, Product Security has rated this flaw as Moderate. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.", "threat_severity": "Moderate"}

{}