rhsa-2013_1181
Vulnerability from csaf_redhat
Published
2013-08-27 18:50
Modified
2024-11-22 06:25
Summary
Red Hat Security Advisory: rhev-hypervisor6 security and bug fix update

Notes

Topic
An updated rhev-hypervisor6 package that fixes three security issues and various bugs is now available. The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.
Details
The rhev-hypervisor6 package provides a Red Hat Enterprise Virtualization Hypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor is a dedicated Kernel-based Virtual Machine (KVM) hypervisor. It includes everything necessary to run and manage virtual machines: A subset of the Red Hat Enterprise Linux operating environment and the Red Hat Enterprise Virtualization Agent. Note: Red Hat Enterprise Virtualization Hypervisor is only available for the Intel 64 and AMD64 architectures with virtualization extensions. Upgrade Note: If you upgrade the Red Hat Enterprise Virtualization Hypervisor through the 3.2 Manager administration portal, the Host may appear with the status of "Install Failed". If this happens, place the host into maintenance mode, then activate it again to get the host back to an "Up" state. It was discovered that NSS leaked timing information when decrypting TLS/SSL and DTLS protocol encrypted records when CBC-mode cipher suites were used. A remote attacker could possibly use this flaw to retrieve plain text from the encrypted packets by using a TLS/SSL or DTLS server as a padding oracle. (CVE-2013-1620) It was found that the fix for CVE-2013-0167 released via RHSA-2013:0907 was incomplete. A privileged guest user could potentially use this flaw to make the host the guest is running on unavailable to the management server. (CVE-2013-4236) An out-of-bounds memory read flaw was found in the way NSS decoded certain certificates. If an application using NSS decoded a malformed certificate, it could cause the application to crash. (CVE-2013-0791) Red Hat would like to thank the Mozilla project for reporting CVE-2013-0791. Upstream acknowledges Ambroz Bizjak as the original reporter of CVE-2013-0791. The CVE-2013-4236 issue was found by David Gibson of Red Hat. This updated package provides updated components that include fixes for various security issues. These issues have no security impact on Red Hat Enterprise Virtualization Hypervisor itself, however. The security fixes included in this update address the following CVE numbers: CVE-2013-4854 (bind issue) CVE-2012-6544, CVE-2013-2146, CVE-2013-2206, CVE-2013-2224, CVE-2013-2232, and CVE-2013-2237 (kernel issues) This update also contains the fixes from the following errata: * vdsm: RHSA-2013:1155 and RHBA-2013:1158 Users of the Red Hat Enterprise Virtualization Hypervisor are advised to upgrade to this updated package, which corrects these issues.
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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{
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      "text": "Moderate"
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    "category": "csaf_security_advisory",
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    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
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    "notes": [
      {
        "category": "summary",
        "text": "An updated rhev-hypervisor6 package that fixes three security issues and\nvarious bugs is now available.\n\nThe Red Hat Security Response Team has rated this update as having moderate\nsecurity impact. Common Vulnerability Scoring System (CVSS) base scores,\nwhich give detailed severity ratings, are available for each vulnerability\nfrom the CVE links in the References section.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "The rhev-hypervisor6 package provides a Red Hat Enterprise Virtualization\nHypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor\nis a dedicated Kernel-based Virtual Machine (KVM) hypervisor. It includes\neverything necessary to run and manage virtual machines: A subset of the\nRed Hat Enterprise Linux operating environment and the Red Hat Enterprise\nVirtualization Agent.\n\nNote: Red Hat Enterprise Virtualization Hypervisor is only available for\nthe Intel 64 and AMD64 architectures with virtualization extensions.\n\nUpgrade Note: If you upgrade the Red Hat Enterprise Virtualization\nHypervisor through the 3.2 Manager administration portal, the Host may\nappear with the status of \"Install Failed\". If this happens, place the host\ninto maintenance mode, then activate it again to get the host back to an\n\"Up\" state.\n\nIt was discovered that NSS leaked timing information when decrypting\nTLS/SSL and DTLS protocol encrypted records when CBC-mode cipher suites\nwere used. A remote attacker could possibly use this flaw to retrieve plain\ntext from the encrypted packets by using a TLS/SSL or DTLS server as a\npadding oracle. (CVE-2013-1620)\n\nIt was found that the fix for CVE-2013-0167 released via RHSA-2013:0907\nwas incomplete. A privileged guest user could potentially use this flaw to\nmake the host the guest is running on unavailable to the management\nserver. (CVE-2013-4236)\n\nAn out-of-bounds memory read flaw was found in the way NSS decoded certain\ncertificates. If an application using NSS decoded a malformed certificate,\nit could cause the application to crash. (CVE-2013-0791)\n\nRed Hat would like to thank the Mozilla project for reporting\nCVE-2013-0791. Upstream acknowledges Ambroz Bizjak as the original reporter\nof CVE-2013-0791. The CVE-2013-4236 issue was found by David Gibson of Red\nHat.\n\nThis updated package provides updated components that include fixes for\nvarious security issues. These issues have no security impact on Red Hat\nEnterprise Virtualization Hypervisor itself, however. The security fixes\nincluded in this update address the following CVE numbers:\n\nCVE-2013-4854 (bind issue)\n\nCVE-2012-6544, CVE-2013-2146, CVE-2013-2206, CVE-2013-2224, CVE-2013-2232,\nand CVE-2013-2237 (kernel issues)\n\nThis update also contains the fixes from the following errata:\n\n* vdsm: RHSA-2013:1155 and RHBA-2013:1158\n\nUsers of the Red Hat Enterprise Virtualization Hypervisor are advised to\nupgrade to this updated package, which corrects these issues.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "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.",
        "title": "Terms of Use"
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        "url": "https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Hypervisor_Deployment_Guide/chap-Deployment_Guide-Upgrading_Red_Hat_Enterprise_Virtualization_Hypervisors.html"
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        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2013/rhsa-2013_1181.json"
      }
    ],
    "title": "Red Hat Security Advisory: rhev-hypervisor6 security and bug fix update",
    "tracking": {
      "current_release_date": "2024-11-22T06:25:47+00:00",
      "generator": {
        "date": "2024-11-22T06:25:47+00:00",
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      "id": "RHSA-2013:1181",
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          "date": "2013-08-27T18:50:00+00:00",
          "number": "1",
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          "date": "2013-08-27T18:53:35+00:00",
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        {
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          "number": "3",
          "summary": "Last generated version"
        }
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      "status": "final",
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  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "RHEV Hypervisor for RHEL-6",
                "product": {
                  "name": "RHEV Hypervisor for RHEL-6",
                  "product_id": "6Server-RHEV-Hypervisor",
                  "product_identification_helper": {
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                "name": "rhev-hypervisor6-0:6.4-20130815.0.el6_4.noarch",
                "product": {
                  "name": "rhev-hypervisor6-0:6.4-20130815.0.el6_4.noarch",
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          "product_id": "6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.4-20130815.0.el6_4.noarch"
        },
        "product_reference": "rhev-hypervisor6-0:6.4-20130815.0.el6_4.noarch",
        "relates_to_product_reference": "6Server-RHEV-Hypervisor"
      }
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  },
  "vulnerabilities": [
    {
      "acknowledgments": [
        {
          "names": [
            "Mozilla project"
          ]
        },
        {
          "names": [
            "Ambroz Bizjak"
          ],
          "summary": "Acknowledged by upstream."
        }
      ],
      "cve": "CVE-2013-0791",
      "discovery_date": "2013-04-01T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "946947"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "The CERT_DecodeCertPackage function in Mozilla Network Security Services (NSS), as used in Mozilla Firefox before 20.0, Firefox ESR 17.x before 17.0.5, Thunderbird before 17.0.5, Thunderbird ESR 17.x before 17.0.5, SeaMonkey before 2.17, and other products, allows remote attackers to cause a denial of service (out-of-bounds read and memory corruption) via a crafted certificate.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Mozilla: Out-of-bounds array read in CERT_DecodeCertPackage (MFSA 2013-40)",
          "title": "Vulnerability summary"
        },
        {
          "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": [
          "6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.4-20130815.0.el6_4.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2013-0791"
        },
        {
          "category": "external",
          "summary": "RHBZ#946947",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=946947"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2013-0791",
          "url": "https://www.cve.org/CVERecord?id=CVE-2013-0791"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-0791",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-0791"
        },
        {
          "category": "external",
          "summary": "http://www.mozilla.org/security/announce/2013/mfsa2013-40.html",
          "url": "http://www.mozilla.org/security/announce/2013/mfsa2013-40.html"
        }
      ],
      "release_date": "2013-04-02T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2013-08-27T18:50:00+00:00",
          "details": "This update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258\n\nTo upgrade Hypervisors in Red Hat Enterprise Virtualization\nenvironments using the disk image provided by this package, refer to:\n\nhttps://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Hypervisor_Deployment_Guide/chap-Deployment_Guide-Upgrading_Red_Hat_Enterprise_Virtualization_Hypervisors.html",
          "product_ids": [
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2013:1181"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.3,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "products": [
            "6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.4-20130815.0.el6_4.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "Mozilla: Out-of-bounds array read in CERT_DecodeCertPackage (MFSA 2013-40)"
    },
    {
      "cve": "CVE-2013-1620",
      "discovery_date": "2013-02-04T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "908234"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "The TLS implementation in Mozilla Network Security Services (NSS) does not properly consider timing side-channel attacks on a noncompliant MAC check operation during the processing of malformed CBC padding, which allows remote attackers to conduct distinguishing attacks and plaintext-recovery attacks via statistical analysis of timing data for crafted packets, a related issue to CVE-2013-0169.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "nss: TLS CBC padding timing attack",
          "title": "Vulnerability summary"
        },
        {
          "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": [
          "6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.4-20130815.0.el6_4.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2013-1620"
        },
        {
          "category": "external",
          "summary": "RHBZ#908234",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=908234"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2013-1620",
          "url": "https://www.cve.org/CVERecord?id=CVE-2013-1620"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-1620",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-1620"
        },
        {
          "category": "external",
          "summary": "http://www.isg.rhul.ac.uk/tls/",
          "url": "http://www.isg.rhul.ac.uk/tls/"
        }
      ],
      "release_date": "2013-02-04T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2013-08-27T18:50:00+00:00",
          "details": "This update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258\n\nTo upgrade Hypervisors in Red Hat Enterprise Virtualization\nenvironments using the disk image provided by this package, refer to:\n\nhttps://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Hypervisor_Deployment_Guide/chap-Deployment_Guide-Upgrading_Red_Hat_Enterprise_Virtualization_Hypervisors.html",
          "product_ids": [
            "6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.4-20130815.0.el6_4.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2013:1181"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "HIGH",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.1,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "products": [
            "6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.4-20130815.0.el6_4.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "nss: TLS CBC padding timing attack"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "David Gibson"
          ],
          "organization": "Red Hat",
          "summary": "This issue was discovered by Red Hat."
        }
      ],
      "cve": "CVE-2013-4236",
      "discovery_date": "2013-07-11T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "996166"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "VDSM in Red Hat Enterprise Virtualization 3 and 3.2 allows privileged guest users to cause the host to become \"unavailable to the managment server\" via invalid XML characters in a guest agent response.  NOTE: this issue is due to an incomplete fix for CVE-2013-0167.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "vdsm: incomplete fix for CVE-2013-0167 issue",
          "title": "Vulnerability summary"
        },
        {
          "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": [
          "6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.4-20130815.0.el6_4.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2013-4236"
        },
        {
          "category": "external",
          "summary": "RHBZ#996166",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=996166"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2013-4236",
          "url": "https://www.cve.org/CVERecord?id=CVE-2013-4236"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2013-4236",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4236"
        }
      ],
      "release_date": "2013-07-16T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2013-08-27T18:50:00+00:00",
          "details": "This update is available via the Red Hat Network. Details on how to\nuse the Red Hat Network to apply this update are available at\nhttps://access.redhat.com/site/articles/11258\n\nTo upgrade Hypervisors in Red Hat Enterprise Virtualization\nenvironments using the disk image provided by this package, refer to:\n\nhttps://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Hypervisor_Deployment_Guide/chap-Deployment_Guide-Upgrading_Red_Hat_Enterprise_Virtualization_Hypervisors.html",
          "product_ids": [
            "6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.4-20130815.0.el6_4.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2013:1181"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "LOW",
            "accessVector": "ADJACENT_NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 2.7,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:A/AC:L/Au:S/C:N/I:N/A:P",
            "version": "2.0"
          },
          "products": [
            "6Server-RHEV-Hypervisor:rhev-hypervisor6-0:6.4-20130815.0.el6_4.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "vdsm: incomplete fix for CVE-2013-0167 issue"
    }
  ]
}


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  • 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.