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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-2018:2608", "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", "impact": "moderate", "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", "impact": "moderate", "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", "impact": "moderate", "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", "impact": "moderate", "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: Stack-based buffer overflow in server-rpc-fops.c allows remote attackers to execute arbitrary code", "id": "1601642", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1601642"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "verified"}, "cwe": "CWE-121", "details": ["It was found that glusterfs server is vulnerable to multiple stack based buffer overflows due to functions in server-rpc-fopc.c allocating fixed size buffers using 'alloca(3)'. An authenticated attacker could exploit this by mounting a gluster volume and sending a string longer that the fixed buffer size to cause crash or potential code execution.", "It was found that glusterfs server is vulnerable to mulitple stack based buffer overflows due to functions in server-rpc-fopc.c allocating fixed size buffers using 'alloca(3)'. An authenticated attacker could exploit this by mounting a gluster volume and sending a string longer that the fixed buffer size to cause crash or potential code execution."], "mitigation": {"lang": "en:us", "value": "To limit exposure of gluster server nodes : \n1. gluster server should be on LAN and not reachable from public networks. \n2. Use gluster auth.allow and auth.reject. \n3. Use TLS certificates to authenticate gluster clients.\ncaveat: This does not protect from attacks by authenticated gluster clients."}, "name": "CVE-2018-10907", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "glusterfs", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "glusterfs", "product_name": "Red Hat Enterprise Linux 7"}, {"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-2018-10907\nhttps://nvd.nist.gov/vuln/detail/CVE-2018-10907"], "statement": "This issue did not affect Red Hat Enterprise Linux 6 and 7 as the flaw is present in glusterfs-server, which is not shipped there.\nThis 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": "Important", "upstream_fix": "glusterfs 3.12.14, glusterfs 4.1.4"}