RHSA-2019:0457
Vulnerability from csaf_redhat
Published
2019-03-05 11:09
Modified
2024-11-15 08:22
Summary
Red Hat Security Advisory: redhat-virtualization-host security 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 (4.2), redhat-virtualization-host (4.2). (BZ#1678629, BZ#1679414) Security Fix(es): * spice: Off-by-one error in array access in spice/server/memslot.c (CVE-2019-3813) * systemd: Insufficient input validation in bus_process_object() resulting in PID 1 crash (CVE-2019-6454) * vdsm: privilege escalation to root via systemd_run (CVE-2019-3831) 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.
Terms of Use
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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          "organization": "Red Hat",
          "summary": "This issue was discovered by Red Hat."
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          "text": "Spice, versions 0.5.2 through 0.14.1, are vulnerable to an out-of-bounds read due to an off-by-one error in memslot_get_virt. This may lead to a denial of service, or, in the worst case, code-execution by unauthenticated attackers.",
          "title": "Vulnerability description"
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          "text": "spice: Off-by-one error in array access in spice/server/memslot.c",
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            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
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    {
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      "cwe": {
        "id": "CWE-863",
        "name": "Incorrect Authorization"
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          "title": "Vulnerability description"
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            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.2-20190219.0.el7_6.src",
            "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.2-20190219.0.el7_6.noarch",
            "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.2-8.3.el7.src",
            "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.2-8.3.el7.x86_64",
            "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.2-8.3.el7.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "vdsm: privilege escalation to root via systemd_run"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "Chris Coulson"
          ],
          "organization": "Ubuntu Security"
        }
      ],
      "cve": "CVE-2019-6454",
      "cwe": {
        "id": "CWE-20",
        "name": "Improper Input Validation"
      },
      "discovery_date": "2019-01-17T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1667032"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "It was discovered that systemd allocates a buffer large enough to store the path field of a dbus message without performing enough checks. A local attacker may trigger this flaw by sending a dbus message to systemd with a large path making systemd crash or possibly elevating his privileges.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "systemd: Insufficient input validation in bus_process_object() resulting in PID 1 crash",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability is present in Red Hat Virtualization Hypervisor and Management Appliance, however it can only be exploited locally. Since these systems do not typically have local user accounts, this issue has been rated Moderate severity for Red Hat Virtualization 4.",
          "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": {
        "fixed": [
          "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.2-20190219.0.el7_6.src",
          "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.2-20190219.0.el7_6.noarch",
          "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.2-8.3.el7.src",
          "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.2-8.3.el7.x86_64",
          "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.2-8.3.el7.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-6454"
        },
        {
          "category": "external",
          "summary": "RHBZ#1667032",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1667032"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-6454",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-6454"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-6454",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-6454"
        }
      ],
      "release_date": "2019-02-18T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2019-03-05T11:09:51+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-0:4.2-20190219.0.el7_6.src",
            "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.2-20190219.0.el7_6.noarch",
            "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.2-8.3.el7.src",
            "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.2-8.3.el7.x86_64",
            "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.2-8.3.el7.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2019:0457"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.0,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
          },
          "products": [
            "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-0:4.2-20190219.0.el7_6.src",
            "7Server-RHEV-4-Hypervisor-7:redhat-virtualization-host-image-update-0:4.2-20190219.0.el7_6.noarch",
            "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.2-8.3.el7.src",
            "7Server-RHEV-4-HypervisorBuild-7:redhat-release-virtualization-host-0:4.2-8.3.el7.x86_64",
            "7Server-RHEV-4-HypervisorBuild-7:redhat-virtualization-host-image-update-placeholder-0:4.2-8.3.el7.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "systemd: Insufficient input validation in bus_process_object() resulting in PID 1 crash"
    }
  ]
}


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