csaf_redhat - rhsa-2019

rhsa-2019_1699

Vulnerability from csaf_redhat

Published

2019-07-08 09:19

Modified

2024-11-15 03:12

Summary

Red Hat Security Advisory: redhat-virtualization-host security and enhancement update

Notes

Topic

An update for redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Details

The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host's resources and performing administrative tasks. The following packages have been upgraded to a later upstream version: redhat-release-virtualization-host (4.3.4), redhat-virtualization-host (4.3.4). (BZ#1721058, BZ#1721062, BZ#1721065) Security Fix(es): * kernel: tcp: integer ovrtflow while processing SACK blocks allows remote denial of service (CVE-2019-11477) * libvirt: arbitrary file read/exec via virDomainSaveImageGetXMLDesc API (CVE-2019-10161) * libvirt: virDomainManagedSaveDefineXML API exposed to readonly clients (CVE-2019-10166) * libvirt: arbitrary command execution via virConnectGetDomainCapabilities API (CVE-2019-10167) * libvirt: arbitrary command execution via virConnectBaselineHypervisorCPU and virConnectCompareHypervisorCPU APIs (CVE-2019-10168) * Kernel: tcp: excessive resource consumption while processing SACK blocks allows remote denial of service (CVE-2019-11478) * kernel: tcp: excessive resource consumption for TCP connections with low MSS allows remote denial of service (CVE-2019-11479) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.

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{
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      "text": "Important"
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        "text": "An update for redhat-virtualization-host is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
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        "text": "The redhat-virtualization-host packages provide the Red Hat Virtualization Host. These packages include redhat-release-virtualization-host, ovirt-node, and rhev-hypervisor. Red Hat Virtualization Hosts (RHVH) are installed using a special build of Red Hat Enterprise Linux with only the packages required to host virtual machines. RHVH features a Cockpit user interface for monitoring the host\u0027s resources and performing administrative tasks. \n\nThe following packages have been upgraded to a later upstream version: redhat-release-virtualization-host (4.3.4), redhat-virtualization-host (4.3.4). (BZ#1721058, BZ#1721062, BZ#1721065)\n\nSecurity Fix(es):\n\n* kernel: tcp: integer ovrtflow while processing SACK blocks allows remote denial of service (CVE-2019-11477)\n\n* libvirt: arbitrary file read/exec via virDomainSaveImageGetXMLDesc API (CVE-2019-10161)\n\n* libvirt: virDomainManagedSaveDefineXML API exposed to readonly clients (CVE-2019-10166)\n\n* libvirt: arbitrary command execution via virConnectGetDomainCapabilities API (CVE-2019-10167)\n\n* libvirt: arbitrary command execution via virConnectBaselineHypervisorCPU and virConnectCompareHypervisorCPU APIs (CVE-2019-10168)\n\n* Kernel: tcp: excessive resource consumption while processing SACK blocks allows remote denial of service (CVE-2019-11478)\n\n* kernel: tcp: excessive resource consumption for TCP connections with low MSS allows remote denial of service (CVE-2019-11479)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
        "title": "Details"
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      "acknowledgments": [
        {
          "names": [
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          ],
          "organization": "SUSE"
        }
      ],
      "cve": "CVE-2019-10161",
      "cwe": {
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        "name": "Improper Access Control"
      },
      "discovery_date": "2019-06-10T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1720115"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "It was discovered that libvirtd would permit read-only clients to use the virDomainSaveImageGetXMLDesc() API, specifying an arbitrary path which would be accessed with the permissions of the libvirtd process. An attacker with access to the libvirtd socket could use this to probe the existence of arbitrary files, cause denial of service or cause libvirtd to execute arbitrary programs.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "libvirt: arbitrary file read/exec via virDomainSaveImageGetXMLDesc API",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "* This vulnerability requires access to the libvirt socket, normally in /var/run/libvirt/libvirt_sock_ro.  Typically in hypervisor environments, local user accounts are not supported so no untrusted users should be able to access this socket.\n* Red Hat Gluster Storage 3 is not affected by this vulnerability as libvirtd daemon is not shipped in Gluster.\n* On Red Hat Enterprise Linux 6, the impact of this vulnerability is limited to denial of service or disclosing the existence of arbitrary files.  Privilege escalation is not possible.  For RHEL6, this CVE is rated as Moderate severity with 7.3/CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:H",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-10161"
        },
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          "summary": "RHBZ#1720115",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1720115"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-10161",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-10161"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-10161",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-10161"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/libvirt-privesc-vulnerabilities",
          "url": "https://access.redhat.com/libvirt-privesc-vulnerabilities"
        }
      ],
      "release_date": "2019-06-20T12:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2019-07-08T09:19:57+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/2974891",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2019:1699"
        },
        {
          "category": "workaround",
          "details": "The Unix permissions of libvirt\u0027s read-only socket can be made more restrictive than the default (0777) by editing `/etc/libvirt/libvirtd.conf`.  The settings `unix_sock_group = libvirt` and `unix_sock_ro_perms = 0770` will restrict access to only members of `libvirt`, who already have management access to virtual machines.",
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      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "libvirt: arbitrary file read/exec via virDomainSaveImageGetXMLDesc API"
    },
    {
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            "Matthias Gerstner"
          ],
          "organization": "SUSE"
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      "cwe": {
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        "name": "Improper Access Control"
      },
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        {
          "category": "description",
          "text": "It was discovered that libvirtd would permit readonly clients to use the virDomainManagedSaveDefineXML() API, which would permit them to modify managed save state files. If a managed save had already been created by a privileged user, a local attacker could modify this file such that libvirtd would execute an arbitrary program when the domain was resumed.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "libvirt: virDomainManagedSaveDefineXML API exposed to readonly clients",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "* This vulnerability requires access to the libvirt socket, normally in /var/run/libvirt/libvirt_sock_ro.  Typically in hypervisor environments, local user accounts are not supported so no untrusted users should be able to access this socket.\n* Red Hat Gluster Storage 3 is not affected by this vulnerability as libvirtd daemon is not shipped in Gluster.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-10166"
        },
        {
          "category": "external",
          "summary": "RHBZ#1720114",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1720114"
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-10166",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-10166"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-10166",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-10166"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/libvirt-privesc-vulnerabilities",
          "url": "https://access.redhat.com/libvirt-privesc-vulnerabilities"
        }
      ],
      "release_date": "2019-06-20T12:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2019-07-08T09:19:57+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/2974891",
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          },
          "url": "https://access.redhat.com/errata/RHSA-2019:1699"
        },
        {
          "category": "workaround",
          "details": "The Unix permissions of libvirt\u0027s read-only socket can be made more restrictive than the default (0777) by editing `/etc/libvirt/libvirtd.conf`.  The settings `unix_sock_group = libvirt` and `unix_sock_ro_perms = 0770` will restrict access to only members of `libvirt`, who already have management access to virtual machines.",
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      ],
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            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "libvirt: virDomainManagedSaveDefineXML API exposed to readonly clients"
    },
    {
      "acknowledgments": [
        {
          "names": [
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          ],
          "organization": "Red Hat",
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        }
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        "name": "Execution with Unnecessary Privileges"
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      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1720117"
        }
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      "notes": [
        {
          "category": "description",
          "text": "The virConnectGetDomainCapabilities() libvirt API accepts an \"emulatorbin\" argument to specify the program providing emulation for a domain. Since v1.2.19, libvirt will execute that program to probe the domain\u0027s capabilities. Read-only clients could specify an arbitrary path for this argument, causing libvirtd to execute a crafted executable with its own privileges.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "libvirt: arbitrary command execution via virConnectGetDomainCapabilities API",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "* This vulnerability requires access to the libvirt socket, normally in /var/run/libvirt/libvirt_sock_ro.  Typically in hypervisor environments, local user accounts are not supported so no untrusted users should be able to access this socket.\n* Red Hat Gluster Storage 3 is not affected by this vulnerability as libvirtd daemon is not shipped in Gluster.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-10167"
        },
        {
          "category": "external",
          "summary": "RHBZ#1720117",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1720117"
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-10167",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-10167"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-10167",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-10167"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/libvirt-privesc-vulnerabilities",
          "url": "https://access.redhat.com/libvirt-privesc-vulnerabilities"
        }
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      "release_date": "2019-06-20T12:00:00+00:00",
      "remediations": [
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          "category": "vendor_fix",
          "date": "2019-07-08T09:19:57+00:00",
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          "url": "https://access.redhat.com/errata/RHSA-2019:1699"
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        {
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            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
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            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.0"
          },
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      ],
      "threats": [
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          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "libvirt: arbitrary command execution via virConnectGetDomainCapabilities API"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Jan Tomko"
          ],
          "organization": "Red Hat",
          "summary": "This issue was discovered by Red Hat."
        }
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      "cve": "CVE-2019-10168",
      "cwe": {
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        "name": "Execution with Unnecessary Privileges"
      },
      "discovery_date": "2019-06-10T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1720118"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "The virConnectBaselineHypervisorCPU() and virConnectCompareHypervisorCPU() libvirt APIs accept an \"emulator\" argument to specify the program providing emulation for a domain. Since v1.2.19, libvirt will execute that program to probe the domain\u0027s capabilities. Read-only clients could specify an arbitrary path for this argument, causing libvirtd to execute a crafted executable with its own privileges.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "libvirt: arbitrary command execution via virConnectBaselineHypervisorCPU and virConnectCompareHypervisorCPU APIs",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "* This vulnerability requires access to the libvirt socket, normally in /var/run/libvirt/libvirt_sock_ro.  Typically in hypervisor environments, local user accounts are not supported so no untrusted users should be able to access this socket.\n* Red Hat Gluster Storage 3 is not affected by this vulnerability as libvirtd daemon is not shipped in Gluster.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "category": "external",
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          "category": "external",
          "summary": "https://access.redhat.com/libvirt-privesc-vulnerabilities",
          "url": "https://access.redhat.com/libvirt-privesc-vulnerabilities"
        }
      ],
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      "remediations": [
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          "details": "The Unix permissions of libvirt\u0027s read-only socket can be made more restrictive than the default (0777) by editing `/etc/libvirt/libvirtd.conf`.  The settings `unix_sock_group = libvirt` and `unix_sock_ro_perms = 0770` will restrict access to only members of `libvirt`, who already have management access to virtual machines.",
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        {
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          },
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "libvirt: arbitrary command execution via virConnectBaselineHypervisorCPU and virConnectCompareHypervisorCPU APIs"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Jonathan Looney"
          ],
          "organization": "Netflix Information Security"
        }
      ],
      "cve": "CVE-2019-11477",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "discovery_date": "2019-06-07T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1719123"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An integer overflow flaw was found in the way the Linux kernel\u0027s networking subsystem processed TCP Selective Acknowledgment (SACK) segments. While processing SACK segments, the Linux kernel\u0027s socket buffer (SKB) data structure becomes fragmented. Each fragment is about TCP maximum segment size (MSS) bytes. To efficiently process SACK blocks, the Linux kernel merges multiple fragmented SKBs into one, potentially overflowing the variable holding the number of segments. A remote attacker could use this flaw to crash the Linux kernel by sending a crafted sequence of SACK segments on a TCP connection with small value of TCP MSS, resulting in a denial of service (DoS).",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Kernel: tcp: integer overflow while processing SACK blocks allows remote denial of service",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Red Hat Product Security is aware of this issue. Updates will be released as they become available. For additional information, please refer to the Red Hat Knowledgebase article:  https://access.redhat.com/security/vulnerabilities/tcpsack",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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          "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.3.4-1.el7ev.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-11477"
        },
        {
          "category": "external",
          "summary": "RHBZ#1719123",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1719123"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-11477",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-11477"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-11477",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-11477"
        },
        {
          "category": "external",
          "summary": "https://patchwork.ozlabs.org/project/netdev/list/?series=114310",
          "url": "https://patchwork.ozlabs.org/project/netdev/list/?series=114310"
        },
        {
          "category": "external",
          "summary": "https://www.openwall.com/lists/oss-security/2019/06/17/5",
          "url": "https://www.openwall.com/lists/oss-security/2019/06/17/5"
        }
      ],
      "release_date": "2019-06-17T17:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2019-07-08T09:19:57+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/2974891",
          "product_ids": [
            "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.3.4-20190620.3.el7_6.src",
            "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.3.4-20190620.3.el7_6.noarch",
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            "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.3.4-1.el7ev.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2019:1699"
        },
        {
          "category": "workaround",
          "details": "For mitigation, please refer to the Red Hat Knowledgebase article:  https://access.redhat.com/security/vulnerabilities/tcpsack",
          "product_ids": [
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        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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      ],
      "threats": [
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          "details": "Important"
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      ],
      "title": "Kernel: tcp: integer overflow while processing SACK blocks allows remote denial of service"
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          "names": [
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          "organization": "Netflix Information Security"
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      "ids": [
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          "system_name": "Red Hat Bugzilla ID",
          "text": "1719128"
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      ],
      "notes": [
        {
          "category": "description",
          "text": "An excessive resource consumption flaw was found in the way the Linux kernel\u0027s networking subsystem processed TCP Selective Acknowledgment (SACK) segments. While processing SACK segments, the Linux kernel\u0027s socket buffer (SKB) data structure becomes fragmented, which leads to increased resource utilization to traverse and process these fragments as further SACK segments are received on the same TCP connection. A remote attacker could use this flaw to cause a denial of service (DoS) by sending a crafted sequence of SACK segments on a TCP connection.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Kernel: tcp: excessive resource consumption while processing SACK blocks allows remote denial of service",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
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          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      },
      "references": [
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-11478"
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        {
          "category": "external",
          "summary": "RHBZ#1719128",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1719128"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-11478",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-11478"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-11478",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-11478"
        },
        {
          "category": "external",
          "summary": "https://patchwork.ozlabs.org/project/netdev/list/?series=114310",
          "url": "https://patchwork.ozlabs.org/project/netdev/list/?series=114310"
        },
        {
          "category": "external",
          "summary": "https://www.openwall.com/lists/oss-security/2019/06/17/5",
          "url": "https://www.openwall.com/lists/oss-security/2019/06/17/5"
        }
      ],
      "release_date": "2019-06-17T17:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2019-07-08T09:19:57+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/2974891",
          "product_ids": [
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          "url": "https://access.redhat.com/errata/RHSA-2019:1699"
        },
        {
          "category": "workaround",
          "details": "For mitigation, please refer to the Red Hat Knowledgebase article:  https://access.redhat.com/security/vulnerabilities/tcpsack",
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        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.0"
          },
          "products": [
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            "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.3.4-20190620.3.el7_6.noarch",
            "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.4-1.el7ev.src",
            "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.4-1.el7ev.x86_64",
            "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.3.4-1.el7ev.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "Kernel: tcp: excessive resource consumption while processing SACK blocks allows remote denial of service"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Jonathan Looney"
          ],
          "organization": "Netflix Information Security"
        }
      ],
      "cve": "CVE-2019-11479",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "discovery_date": "2019-06-07T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1719129"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An excessive resource consumption flaw was found in the way the Linux kernel\u0027s networking subsystem processed TCP segments. If the Maximum Segment Size (MSS) of a TCP connection was set to low values, such as 48 bytes, it can leave as little as 8 bytes for the user data, which significantly increases the Linux kernel\u0027s resource (CPU, Memory, and Bandwidth) utilization. A remote attacker could use this flaw to cause a denial of service (DoS) by repeatedly sending network traffic on a TCP connection with low TCP MSS.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kernel: tcp: excessive resource consumption for TCP connections with low MSS allows remote denial of service",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Red Hat Product Security is aware of this issue. Updates will be released as they become available. For additional information, please refer to the Red Hat Knowledgebase article:  https://access.redhat.com/security/vulnerabilities/tcpsack\n\nRed Hat Enterprise Linux 5 is now in the Extended Life Phase of maintenance life cycle. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.",
          "title": "Statement"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-11479"
        },
        {
          "category": "external",
          "summary": "RHBZ#1719129",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1719129"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-11479",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-11479"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-11479",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-11479"
        },
        {
          "category": "external",
          "summary": "https://patchwork.ozlabs.org/project/netdev/list/?series=114310",
          "url": "https://patchwork.ozlabs.org/project/netdev/list/?series=114310"
        },
        {
          "category": "external",
          "summary": "https://www.openwall.com/lists/oss-security/2019/06/17/5",
          "url": "https://www.openwall.com/lists/oss-security/2019/06/17/5"
        }
      ],
      "release_date": "2019-06-17T17:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2019-07-08T09:19:57+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/2974891",
          "product_ids": [
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          },
          "url": "https://access.redhat.com/errata/RHSA-2019:1699"
        },
        {
          "category": "workaround",
          "details": "For mitigation, please refer to the Red Hat Knowledgebase article:  https://access.redhat.com/security/vulnerabilities/tcpsack",
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      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
            "version": "3.0"
          },
          "products": [
            "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.3.4-20190620.3.el7_6.src",
            "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.3.4-20190620.3.el7_6.noarch",
            "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.4-1.el7ev.src",
            "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.3.4-1.el7ev.x86_64",
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
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      ],
      "title": "kernel: tcp: excessive resource consumption for TCP connections with low MSS allows remote denial of service"
    }
  ]
}

cve-2019-11478

Vulnerability from cvelistv5

Published

2019-06-18 23:34

Modified

2024-09-16 23:45

Severity ?

5.3 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Summary

SACK can cause extensive memory use via fragmented resend queue

References

▼	URL	Tags
	https://www.kb.cert.org/vuls/id/905115	third-party-advisory, x_refsource_CERT-VN
	https://access.redhat.com/errata/RHSA-2019:1594	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:1602	vendor-advisory, x_refsource_REDHAT
	http://www.openwall.com/lists/oss-security/2019/06/28/2	mailing-list, x_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2019/07/06/3	mailing-list, x_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2019/07/06/4	mailing-list, x_refsource_MLIST
	https://access.redhat.com/errata/RHSA-2019:1699	vendor-advisory, x_refsource_REDHAT
	https://seclists.org/bugtraq/2019/Jul/30	mailing-list, x_refsource_BUGTRAQ
	http://www.openwall.com/lists/oss-security/2019/10/24/1	mailing-list, x_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2019/10/29/3	mailing-list, x_refsource_MLIST
	https://www.oracle.com/security-alerts/cpujan2020.html	x_refsource_MISC
	https://www.oracle.com/security-alerts/cpuoct2020.html	x_refsource_MISC
	https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md	x_refsource_MISC
	https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SACKPanic	x_refsource_MISC
	https://access.redhat.com/security/vulnerabilities/tcpsack	x_refsource_MISC
	http://packetstormsecurity.com/files/153346/Kernel-Live-Patch-Security-Notice-LSN-0052-1.html	x_refsource_MISC
	https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193	x_refsource_CONFIRM
	https://www.synology.com/security/advisory/Synology_SA_19_28	x_refsource_CONFIRM
	https://security.netapp.com/advisory/ntap-20190625-0001/	x_refsource_CONFIRM
	https://kc.mcafee.com/corporate/index?page=content&id=SB10287	x_refsource_CONFIRM
	http://www.vmware.com/security/advisories/VMSA-2019-0010.html	x_refsource_CONFIRM
	https://cert-portal.siemens.com/productcert/pdf/ssa-462066.pdf	x_refsource_CONFIRM
	https://www.us-cert.gov/ics/advisories/icsa-19-253-03	x_refsource_MISC
	http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html	x_refsource_MISC
	http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-010.txt	x_refsource_CONFIRM
	https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=f070ef2ac66716357066b683fb0baf55f8191a2e	x_refsource_MISC
	https://support.f5.com/csp/article/K26618426	x_refsource_CONFIRM
	https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0007	x_refsource_CONFIRM
	http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html	x_refsource_MISC

Impacted products

▼	Vendor	Product
	Linux	Linux kernel

Show details on NVD website

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              "url": "https://access.redhat.com/security/vulnerabilities/tcpsack"
            },
            {
              "name": "http://packetstormsecurity.com/files/153346/Kernel-Live-Patch-Security-Notice-LSN-0052-1.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/153346/Kernel-Live-Patch-Security-Notice-LSN-0052-1.html"
            },
            {
              "name": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193",
              "refsource": "CONFIRM",
              "url": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193"
            },
            {
              "name": "https://www.synology.com/security/advisory/Synology_SA_19_28",
              "refsource": "CONFIRM",
              "url": "https://www.synology.com/security/advisory/Synology_SA_19_28"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20190625-0001/",
              "refsource": "CONFIRM",
              "url": "https://security.netapp.com/advisory/ntap-20190625-0001/"
            },
            {
              "name": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10287",
              "refsource": "CONFIRM",
              "url": "https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10287"
            },
            {
              "name": "http://www.vmware.com/security/advisories/VMSA-2019-0010.html",
              "refsource": "CONFIRM",
              "url": "http://www.vmware.com/security/advisories/VMSA-2019-0010.html"
            },
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              "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-462066.pdf",
              "refsource": "CONFIRM",
              "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-462066.pdf"
            },
            {
              "name": "https://www.us-cert.gov/ics/advisories/icsa-19-253-03",
              "refsource": "MISC",
              "url": "https://www.us-cert.gov/ics/advisories/icsa-19-253-03"
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              "url": "http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-010.txt"
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              "url": "https://support.f5.com/csp/article/K26618426"
            },
            {
              "name": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0007",
              "refsource": "CONFIRM",
              "url": "https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0007"
            },
            {
              "name": "http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html",
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        },
        "source": {
          "advisory": "https://usn.ubuntu.com/4017-1",
          "defect": [
            "https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1831638"
          ],
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
    "assignerShortName": "canonical",
    "cveId": "CVE-2019-11478",
    "datePublished": "2019-06-18T23:34:51.077803Z",
    "dateReserved": "2019-04-23T00:00:00",
    "dateUpdated": "2024-09-16T23:45:54.779Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

cve-2019-11479

Vulnerability from cvelistv5

Published

2019-06-18 23:34

Modified

2024-09-16 23:22

Severity ?

5.3 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Summary

Jonathan Looney discovered that the Linux kernel default MSS is hard-coded to 48 bytes. This allows a remote peer to fragment TCP resend queues significantly more than if a larger MSS were enforced. A remote attacker could use this to cause a denial of service. This has been fixed in stable kernel releases 4.4.182, 4.9.182, 4.14.127, 4.19.52, 5.1.11, and is fixed in commits 967c05aee439e6e5d7d805e195b3a20ef5c433d6 and 5f3e2bf008c2221478101ee72f5cb4654b9fc363.

References

▼	URL	Tags
	http://www.securityfocus.com/bid/108818	vdb-entry, x_refsource_BID
	https://www.kb.cert.org/vuls/id/905115	third-party-advisory, x_refsource_CERT-VN
	https://access.redhat.com/errata/RHSA-2019:1594	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:1602	vendor-advisory, x_refsource_REDHAT
	http://www.openwall.com/lists/oss-security/2019/06/28/2	mailing-list, x_refsource_MLIST
	https://usn.ubuntu.com/4041-2/	vendor-advisory, x_refsource_UBUNTU
	http://www.openwall.com/lists/oss-security/2019/07/06/3	mailing-list, x_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2019/07/06/4	mailing-list, x_refsource_MLIST
	https://access.redhat.com/errata/RHSA-2019:1699	vendor-advisory, x_refsource_REDHAT
	https://usn.ubuntu.com/4041-1/	vendor-advisory, x_refsource_UBUNTU
	https://www.oracle.com/security-alerts/cpujan2020.html	x_refsource_MISC
	https://www.oracle.com/security-alerts/cpuoct2020.html	x_refsource_MISC
	https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md	x_refsource_MISC
	https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SACKPanic	x_refsource_MISC
	https://access.redhat.com/security/vulnerabilities/tcpsack	x_refsource_MISC
	https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193	x_refsource_CONFIRM
	https://www.synology.com/security/advisory/Synology_SA_19_28	x_refsource_CONFIRM
	https://security.netapp.com/advisory/ntap-20190625-0001/	x_refsource_CONFIRM
	https://kc.mcafee.com/corporate/index?page=content&id=SB10287	x_refsource_CONFIRM
	https://cert-portal.siemens.com/productcert/pdf/ssa-462066.pdf	x_refsource_CONFIRM
	https://www.us-cert.gov/ics/advisories/icsa-19-253-03	x_refsource_MISC
	http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-010.txt	x_refsource_CONFIRM
	https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=5f3e2bf008c2221478101ee72f5cb4654b9fc363	x_refsource_MISC
	https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=967c05aee439e6e5d7d805e195b3a20ef5c433d6	x_refsource_MISC
	https://support.f5.com/csp/article/K35421172	x_refsource_CONFIRM
	https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0008	x_refsource_CONFIRM
	https://support.f5.com/csp/article/K35421172?utm_source=f5support&amp%3Butm_medium=RSS	x_refsource_CONFIRM
	https://www.us-cert.gov/ics/advisories/icsma-20-170-06	x_refsource_MISC

Impacted products

▼	Vendor	Product
	Linux	Linux kernel

Show details on NVD website

JSON

To clipboard

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cve-2019-10168

Vulnerability from cvelistv5

Published

2019-08-02 12:08

Modified

2024-08-04 22:10

Severity ?

8.8 (High) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Summary

The virConnectBaselineHypervisorCPU() and virConnectCompareHypervisorCPU() libvirt APIs, 4.x.x before 4.10.1 and 5.x.x before 5.4.1, accept an "emulator" argument to specify the program providing emulation for a domain. Since v1.2.19, libvirt will execute that program to probe the domain's capabilities. Read-only clients could specify an arbitrary path for this argument, causing libvirtd to execute a crafted executable with its own privileges.

References

▼	URL	Tags
	https://access.redhat.com/libvirt-privesc-vulnerabilities	x_refsource_CONFIRM
	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10168	x_refsource_CONFIRM
	https://security.gentoo.org/glsa/202003-18	vendor-advisory, x_refsource_GENTOO

Impacted products

▼	Vendor	Product
	libvirt	libvirt

Show details on NVD website

JSON

To clipboard

{
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cve-2019-10161

Vulnerability from cvelistv5

Published

2019-07-30 22:14

Modified

2024-08-04 22:10

Severity ?

8.8 (High) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Summary

It was discovered that libvirtd before versions 4.10.1 and 5.4.1 would permit read-only clients to use the virDomainSaveImageGetXMLDesc() API, specifying an arbitrary path which would be accessed with the permissions of the libvirtd process. An attacker with access to the libvirtd socket could use this to probe the existence of arbitrary files, cause denial of service or cause libvirtd to execute arbitrary programs.

References

▼	URL	Tags
	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10161	x_refsource_CONFIRM
	https://access.redhat.com/libvirt-privesc-vulnerabilities	x_refsource_CONFIRM
	https://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=aed6a032cead4386472afb24b16196579e239580	x_refsource_CONFIRM
	https://usn.ubuntu.com/4047-2/	vendor-advisory, x_refsource_UBUNTU
	https://security.gentoo.org/glsa/202003-18	vendor-advisory, x_refsource_GENTOO

Impacted products

▼	Vendor	Product
	Libvirt	libvirt

Show details on NVD website

JSON

To clipboard

{
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      {
        "providerMetadata": {
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          {
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          }
        ],
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        {
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          "vendor": "Libvirt",
          "versions": [
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cve-2019-11477

Vulnerability from cvelistv5

Published

2019-06-18 23:34

Modified

2024-09-17 02:21

Severity ?

7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

Integer overflow in TCP_SKB_CB(skb)->tcp_gso_segs

References

▼	URL	Tags
	https://www.kb.cert.org/vuls/id/905115	third-party-advisory, x_refsource_CERT-VN
	http://www.openwall.com/lists/oss-security/2019/06/20/3	mailing-list, x_refsource_MLIST
	https://access.redhat.com/errata/RHSA-2019:1594	vendor-advisory, x_refsource_REDHAT
	https://access.redhat.com/errata/RHSA-2019:1602	vendor-advisory, x_refsource_REDHAT
	http://www.openwall.com/lists/oss-security/2019/06/28/2	mailing-list, x_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2019/07/06/3	mailing-list, x_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2019/07/06/4	mailing-list, x_refsource_MLIST
	https://access.redhat.com/errata/RHSA-2019:1699	vendor-advisory, x_refsource_REDHAT
	http://www.openwall.com/lists/oss-security/2019/10/24/1	mailing-list, x_refsource_MLIST
	http://www.openwall.com/lists/oss-security/2019/10/29/3	mailing-list, x_refsource_MLIST
	https://www.oracle.com/security-alerts/cpujan2020.html	x_refsource_MISC
	https://www.oracle.com/security-alerts/cpuoct2020.html	x_refsource_MISC
	https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git/commit/?id=3b4929f65b0d8249f19a50245cd88ed1a2f78cff	x_refsource_MISC
	https://github.com/Netflix/security-bulletins/blob/master/advisories/third-party/2019-001.md	x_refsource_MISC
	https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/SACKPanic	x_refsource_MISC
	https://access.redhat.com/security/vulnerabilities/tcpsack	x_refsource_MISC
	https://support.f5.com/csp/article/K78234183	x_refsource_CONFIRM
	http://packetstormsecurity.com/files/153346/Kernel-Live-Patch-Security-Notice-LSN-0052-1.html	x_refsource_MISC
	https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44193	x_refsource_CONFIRM
	https://www.synology.com/security/advisory/Synology_SA_19_28	x_refsource_CONFIRM
	https://security.netapp.com/advisory/ntap-20190625-0001/	x_refsource_CONFIRM
	https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2019-0006	x_refsource_CONFIRM
	https://kc.mcafee.com/corporate/index?page=content&id=SB10287	x_refsource_CONFIRM
	http://www.vmware.com/security/advisories/VMSA-2019-0010.html	x_refsource_CONFIRM
	https://cert-portal.siemens.com/productcert/pdf/ssa-462066.pdf	x_refsource_CONFIRM
	https://www.us-cert.gov/ics/advisories/icsa-19-253-03	x_refsource_MISC
	http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html	x_refsource_MISC
	http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191225-01-kernel-en	x_refsource_CONFIRM
	http://www.arubanetworks.com/assets/alert/ARUBA-PSA-2020-010.txt	x_refsource_CONFIRM

Impacted products

▼	Vendor	Product
	Linux	Linux kernel

Show details on NVD website

JSON

To clipboard

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cve-2019-10166

Vulnerability from cvelistv5

Published

2019-08-02 12:02

Modified

2024-08-04 22:10

Severity ?

7.8 (High) - CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Summary

It was discovered that libvirtd, versions 4.x.x before 4.10.1 and 5.x.x before 5.4.1, would permit readonly clients to use the virDomainManagedSaveDefineXML() API, which would permit them to modify managed save state files. If a managed save had already been created by a privileged user, a local attacker could modify this file such that libvirtd would execute an arbitrary program when the domain was resumed.

References

▼	URL	Tags
	https://access.redhat.com/libvirt-privesc-vulnerabilities	x_refsource_CONFIRM
	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10166	x_refsource_CONFIRM
	https://security.gentoo.org/glsa/202003-18	vendor-advisory, x_refsource_GENTOO

Impacted products

▼	Vendor	Product
	libvirt	libvirt

Show details on NVD website

JSON

To clipboard

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cve-2019-10167

Vulnerability from cvelistv5

Published

2019-08-02 12:05

Modified

2024-08-04 22:10

Severity ?

8.8 (High) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Summary

The virConnectGetDomainCapabilities() libvirt API, versions 4.x.x before 4.10.1 and 5.x.x before 5.4.1, accepts an "emulatorbin" argument to specify the program providing emulation for a domain. Since v1.2.19, libvirt will execute that program to probe the domain's capabilities. Read-only clients could specify an arbitrary path for this argument, causing libvirtd to execute a crafted executable with its own privileges.

References

▼	URL	Tags
	https://access.redhat.com/libvirt-privesc-vulnerabilities	x_refsource_CONFIRM
	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10167	x_refsource_CONFIRM
	https://security.gentoo.org/glsa/202003-18	vendor-advisory, x_refsource_GENTOO

Impacted products

▼	Vendor	Product
	libvirt	libvirt

Show details on NVD website

JSON

To clipboard

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        ],
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        }
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

Vulnerability from csaf_redhat

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature