rhsa-2011:0426
Vulnerability from csaf_redhat
Published
2011-04-07 22:15
Modified
2025-11-08 03:18
Summary
Red Hat Security Advisory: spice-xpi security update

Notes

Topic
An updated spice-xpi package that fixes two security issues is now available for Red Hat Enterprise Linux 6. 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 Simple Protocol for Independent Computing Environments (SPICE) is a remote display protocol used in Red Hat Enterprise Linux for viewing virtualized guests running on the Kernel-based Virtual Machine (KVM) hypervisor, or on Red Hat Enterprise Virtualization Hypervisor. The spice-xpi package provides a plug-in that allows the SPICE client to run from within Mozilla Firefox. An uninitialized pointer use flaw was found in the SPICE Firefox plug-in. If a user were tricked into visiting a malicious web page with Firefox while the SPICE plug-in was enabled, it could cause Firefox to crash or, possibly, execute arbitrary code with the privileges of the user running Firefox. (CVE-2011-1179) It was found that the SPICE Firefox plug-in used a predictable name for one of its log files. A local attacker could use this flaw to conduct a symbolic link attack, allowing them to overwrite arbitrary files accessible to the user running Firefox. (CVE-2011-0012) Users of spice-xpi should upgrade to this updated package, which contains backported patches to correct these issues. After installing the update, Firefox must be restarted for the changes to take effect.
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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        "text": "An updated spice-xpi package that fixes two security issues is now\navailable for Red Hat Enterprise Linux 6.\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.",
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        "text": "The Simple Protocol for Independent Computing Environments (SPICE) is a\nremote display protocol used in Red Hat Enterprise Linux for viewing\nvirtualized guests running on the Kernel-based Virtual Machine (KVM)\nhypervisor, or on Red Hat Enterprise Virtualization Hypervisor.\n\nThe spice-xpi package provides a plug-in that allows the SPICE client to\nrun from within Mozilla Firefox.\n\nAn uninitialized pointer use flaw was found in the SPICE Firefox plug-in.\nIf a user were tricked into visiting a malicious web page with Firefox\nwhile the SPICE plug-in was enabled, it could cause Firefox to crash or,\npossibly, execute arbitrary code with the privileges of the user running\nFirefox. (CVE-2011-1179)\n\nIt was found that the SPICE Firefox plug-in used a predictable name for one\nof its log files. A local attacker could use this flaw to conduct a\nsymbolic link attack, allowing them to overwrite arbitrary files accessible\nto the user running Firefox. (CVE-2011-0012)\n\nUsers of spice-xpi should upgrade to this updated package, which contains\nbackported patches to correct these issues. After installing the update,\nFirefox must be restarted for the changes to take effect.",
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  "vulnerabilities": [
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      "discovery_date": "2010-10-04T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "639869"
        }
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      "notes": [
        {
          "category": "description",
          "text": "The SPICE Firefox plug-in (spice-xpi) 2.4, 2.3, 2.2, and possibly other versions allows local users to overwrite arbitrary files via a symlink attack on the usbrdrctl log file, which has a predictable name.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "spice-xpi: symlink attack on usbrdrctl log file",
          "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"
        }
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2011-0012"
        },
        {
          "category": "external",
          "summary": "RHBZ#639869",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=639869"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2011-0012",
          "url": "https://www.cve.org/CVERecord?id=CVE-2011-0012"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2011-0012",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2011-0012"
        }
      ],
      "release_date": "2011-04-07T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2011-04-07T22:15:00+00:00",
          "details": "Before applying this update, make sure all previously-released errata\nrelevant to your system have been applied.\n\nThis 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/kb/docs/DOC-11259",
          "product_ids": [
            "6Client:spice-xpi-0:2.4-1.el6_0.2.i686",
            "6Client:spice-xpi-0:2.4-1.el6_0.2.src",
            "6Client:spice-xpi-0:2.4-1.el6_0.2.x86_64",
            "6Client:spice-xpi-debuginfo-0:2.4-1.el6_0.2.i686",
            "6Client:spice-xpi-debuginfo-0:2.4-1.el6_0.2.x86_64",
            "6ComputeNode-optional:spice-xpi-0:2.4-1.el6_0.2.i686",
            "6ComputeNode-optional:spice-xpi-0:2.4-1.el6_0.2.src",
            "6ComputeNode-optional:spice-xpi-0:2.4-1.el6_0.2.x86_64",
            "6ComputeNode-optional:spice-xpi-debuginfo-0:2.4-1.el6_0.2.i686",
            "6ComputeNode-optional:spice-xpi-debuginfo-0:2.4-1.el6_0.2.x86_64",
            "6Server:spice-xpi-0:2.4-1.el6_0.2.i686",
            "6Server:spice-xpi-0:2.4-1.el6_0.2.src",
            "6Server:spice-xpi-0:2.4-1.el6_0.2.x86_64",
            "6Server:spice-xpi-debuginfo-0:2.4-1.el6_0.2.i686",
            "6Server:spice-xpi-debuginfo-0:2.4-1.el6_0.2.x86_64",
            "6Workstation:spice-xpi-0:2.4-1.el6_0.2.i686",
            "6Workstation:spice-xpi-0:2.4-1.el6_0.2.src",
            "6Workstation:spice-xpi-0:2.4-1.el6_0.2.x86_64",
            "6Workstation:spice-xpi-debuginfo-0:2.4-1.el6_0.2.i686",
            "6Workstation:spice-xpi-debuginfo-0:2.4-1.el6_0.2.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2011:0426"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 2.1,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:N",
            "version": "2.0"
          },
          "products": [
            "6Client:spice-xpi-0:2.4-1.el6_0.2.i686",
            "6Client:spice-xpi-0:2.4-1.el6_0.2.src",
            "6Client:spice-xpi-0:2.4-1.el6_0.2.x86_64",
            "6Client:spice-xpi-debuginfo-0:2.4-1.el6_0.2.i686",
            "6Client:spice-xpi-debuginfo-0:2.4-1.el6_0.2.x86_64",
            "6ComputeNode-optional:spice-xpi-0:2.4-1.el6_0.2.i686",
            "6ComputeNode-optional:spice-xpi-0:2.4-1.el6_0.2.src",
            "6ComputeNode-optional:spice-xpi-0:2.4-1.el6_0.2.x86_64",
            "6ComputeNode-optional:spice-xpi-debuginfo-0:2.4-1.el6_0.2.i686",
            "6ComputeNode-optional:spice-xpi-debuginfo-0:2.4-1.el6_0.2.x86_64",
            "6Server:spice-xpi-0:2.4-1.el6_0.2.i686",
            "6Server:spice-xpi-0:2.4-1.el6_0.2.src",
            "6Server:spice-xpi-0:2.4-1.el6_0.2.x86_64",
            "6Server:spice-xpi-debuginfo-0:2.4-1.el6_0.2.i686",
            "6Server:spice-xpi-debuginfo-0:2.4-1.el6_0.2.x86_64",
            "6Workstation:spice-xpi-0:2.4-1.el6_0.2.i686",
            "6Workstation:spice-xpi-0:2.4-1.el6_0.2.src",
            "6Workstation:spice-xpi-0:2.4-1.el6_0.2.x86_64",
            "6Workstation:spice-xpi-debuginfo-0:2.4-1.el6_0.2.i686",
            "6Workstation:spice-xpi-debuginfo-0:2.4-1.el6_0.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "spice-xpi: symlink attack on usbrdrctl log file"
    },
    {
      "cve": "CVE-2011-1179",
      "discovery_date": "2011-03-21T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "689931"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "The SPICE Firefox plug-in (spice-xpi) 2.4, 2.3, 2.2, and possibly other versions allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to (1) plugin/nsScriptablePeer.cpp and (2) plugin/plugin.cpp, which trigger multiple uses of an uninitialized pointer.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "spice-xpi: unitialized pointer writes possible when getting plugin properties",
          "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": [
          "6Client:spice-xpi-0:2.4-1.el6_0.2.i686",
          "6Client:spice-xpi-0:2.4-1.el6_0.2.src",
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          "6Client:spice-xpi-debuginfo-0:2.4-1.el6_0.2.i686",
          "6Client:spice-xpi-debuginfo-0:2.4-1.el6_0.2.x86_64",
          "6ComputeNode-optional:spice-xpi-0:2.4-1.el6_0.2.i686",
          "6ComputeNode-optional:spice-xpi-0:2.4-1.el6_0.2.src",
          "6ComputeNode-optional:spice-xpi-0:2.4-1.el6_0.2.x86_64",
          "6ComputeNode-optional:spice-xpi-debuginfo-0:2.4-1.el6_0.2.i686",
          "6ComputeNode-optional:spice-xpi-debuginfo-0:2.4-1.el6_0.2.x86_64",
          "6Server:spice-xpi-0:2.4-1.el6_0.2.i686",
          "6Server:spice-xpi-0:2.4-1.el6_0.2.src",
          "6Server:spice-xpi-0:2.4-1.el6_0.2.x86_64",
          "6Server:spice-xpi-debuginfo-0:2.4-1.el6_0.2.i686",
          "6Server:spice-xpi-debuginfo-0:2.4-1.el6_0.2.x86_64",
          "6Workstation:spice-xpi-0:2.4-1.el6_0.2.i686",
          "6Workstation:spice-xpi-0:2.4-1.el6_0.2.src",
          "6Workstation:spice-xpi-0:2.4-1.el6_0.2.x86_64",
          "6Workstation:spice-xpi-debuginfo-0:2.4-1.el6_0.2.i686",
          "6Workstation:spice-xpi-debuginfo-0:2.4-1.el6_0.2.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2011-1179"
        },
        {
          "category": "external",
          "summary": "RHBZ#689931",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=689931"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2011-1179",
          "url": "https://www.cve.org/CVERecord?id=CVE-2011-1179"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2011-1179",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2011-1179"
        }
      ],
      "release_date": "2011-04-07T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2011-04-07T22:15:00+00:00",
          "details": "Before applying this update, make sure all previously-released errata\nrelevant to your system have been applied.\n\nThis 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/kb/docs/DOC-11259",
          "product_ids": [
            "6Client:spice-xpi-0:2.4-1.el6_0.2.i686",
            "6Client:spice-xpi-0:2.4-1.el6_0.2.src",
            "6Client:spice-xpi-0:2.4-1.el6_0.2.x86_64",
            "6Client:spice-xpi-debuginfo-0:2.4-1.el6_0.2.i686",
            "6Client:spice-xpi-debuginfo-0:2.4-1.el6_0.2.x86_64",
            "6ComputeNode-optional:spice-xpi-0:2.4-1.el6_0.2.i686",
            "6ComputeNode-optional:spice-xpi-0:2.4-1.el6_0.2.src",
            "6ComputeNode-optional:spice-xpi-0:2.4-1.el6_0.2.x86_64",
            "6ComputeNode-optional:spice-xpi-debuginfo-0:2.4-1.el6_0.2.i686",
            "6ComputeNode-optional:spice-xpi-debuginfo-0:2.4-1.el6_0.2.x86_64",
            "6Server:spice-xpi-0:2.4-1.el6_0.2.i686",
            "6Server:spice-xpi-0:2.4-1.el6_0.2.src",
            "6Server:spice-xpi-0:2.4-1.el6_0.2.x86_64",
            "6Server:spice-xpi-debuginfo-0:2.4-1.el6_0.2.i686",
            "6Server:spice-xpi-debuginfo-0:2.4-1.el6_0.2.x86_64",
            "6Workstation:spice-xpi-0:2.4-1.el6_0.2.i686",
            "6Workstation:spice-xpi-0:2.4-1.el6_0.2.src",
            "6Workstation:spice-xpi-0:2.4-1.el6_0.2.x86_64",
            "6Workstation:spice-xpi-debuginfo-0:2.4-1.el6_0.2.i686",
            "6Workstation:spice-xpi-debuginfo-0:2.4-1.el6_0.2.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2011:0426"
        }
      ],
      "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": [
            "6Client:spice-xpi-0:2.4-1.el6_0.2.i686",
            "6Client:spice-xpi-0:2.4-1.el6_0.2.src",
            "6Client:spice-xpi-0:2.4-1.el6_0.2.x86_64",
            "6Client:spice-xpi-debuginfo-0:2.4-1.el6_0.2.i686",
            "6Client:spice-xpi-debuginfo-0:2.4-1.el6_0.2.x86_64",
            "6ComputeNode-optional:spice-xpi-0:2.4-1.el6_0.2.i686",
            "6ComputeNode-optional:spice-xpi-0:2.4-1.el6_0.2.src",
            "6ComputeNode-optional:spice-xpi-0:2.4-1.el6_0.2.x86_64",
            "6ComputeNode-optional:spice-xpi-debuginfo-0:2.4-1.el6_0.2.i686",
            "6ComputeNode-optional:spice-xpi-debuginfo-0:2.4-1.el6_0.2.x86_64",
            "6Server:spice-xpi-0:2.4-1.el6_0.2.i686",
            "6Server:spice-xpi-0:2.4-1.el6_0.2.src",
            "6Server:spice-xpi-0:2.4-1.el6_0.2.x86_64",
            "6Server:spice-xpi-debuginfo-0:2.4-1.el6_0.2.i686",
            "6Server:spice-xpi-debuginfo-0:2.4-1.el6_0.2.x86_64",
            "6Workstation:spice-xpi-0:2.4-1.el6_0.2.i686",
            "6Workstation:spice-xpi-0:2.4-1.el6_0.2.src",
            "6Workstation:spice-xpi-0:2.4-1.el6_0.2.x86_64",
            "6Workstation:spice-xpi-debuginfo-0:2.4-1.el6_0.2.i686",
            "6Workstation:spice-xpi-debuginfo-0:2.4-1.el6_0.2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "spice-xpi: unitialized pointer writes possible when getting plugin properties"
    }
  ]
}


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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.
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  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.