rhsa-2011_1342
Vulnerability from csaf_redhat
Published
2011-09-28 23:10
Modified
2024-11-22 04:41
Summary
Red Hat Security Advisory: thunderbird security update

Notes

Topic
An updated thunderbird package that fixes several security issues is now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having critical 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
Mozilla Thunderbird is a standalone mail and newsgroup client. Several flaws were found in the processing of malformed HTML content. An HTML mail message containing malicious content could cause Thunderbird to crash or, potentially, execute arbitrary code with the privileges of the user running Thunderbird. (CVE-2011-2995) A flaw was found in the way Thunderbird processed the "Enter" keypress event. A malicious HTML mail message could present a download dialog while the key is pressed, activating the default "Open" action. A remote attacker could exploit this vulnerability by causing the mail client to open malicious web content. (CVE-2011-2372) A flaw was found in the way Thunderbird handled Location headers in redirect responses. Two copies of this header with different values could be a symptom of a CRLF injection attack against a vulnerable server. Thunderbird now treats two copies of the Location, Content-Length, or Content-Disposition header as an error condition. (CVE-2011-3000) A flaw was found in the way Thunderbird handled frame objects with certain names. An attacker could use this flaw to cause a plug-in to grant its content access to another site or the local file system, violating the same-origin policy. (CVE-2011-2999) An integer underflow flaw was found in the way Thunderbird handled large JavaScript regular expressions. An HTML mail message containing malicious JavaScript could cause Thunderbird to access already freed memory, causing Thunderbird to crash or, potentially, execute arbitrary code with the privileges of the user running Thunderbird. (CVE-2011-2998) All Thunderbird users should upgrade to this updated package, which resolves these issues. All running instances of Thunderbird must be restarted for the update 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.


To clipboard 

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        "text": "An updated thunderbird package that fixes several security issues is now\navailable for Red Hat Enterprise Linux 6.\n\nThe Red Hat Security Response Team has rated this update as having critical\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": "Mozilla Thunderbird is a standalone mail and newsgroup client.\n\nSeveral flaws were found in the processing of malformed HTML content. An\nHTML mail message containing malicious content could cause Thunderbird to\ncrash or, potentially, execute arbitrary code with the privileges of the\nuser running Thunderbird. (CVE-2011-2995)\n\nA flaw was found in the way Thunderbird processed the \"Enter\" keypress\nevent. A malicious HTML mail message could present a download dialog while\nthe key is pressed, activating the default \"Open\" action. A remote attacker\ncould exploit this vulnerability by causing the mail client to open\nmalicious web content. (CVE-2011-2372)\n\nA flaw was found in the way Thunderbird handled Location headers in\nredirect responses. Two copies of this header with different values could\nbe a symptom of a CRLF injection attack against a vulnerable server.\nThunderbird now treats two copies of the Location, Content-Length, or\nContent-Disposition header as an error condition. (CVE-2011-3000)\n\nA flaw was found in the way Thunderbird handled frame objects with certain\nnames. An attacker could use this flaw to cause a plug-in to grant its\ncontent access to another site or the local file system, violating the\nsame-origin policy. (CVE-2011-2999)\n\nAn integer underflow flaw was found in the way Thunderbird handled large\nJavaScript regular expressions. An HTML mail message containing malicious\nJavaScript could cause Thunderbird to access already freed memory, causing\nThunderbird to crash or, potentially, execute arbitrary code with the\nprivileges of the user running Thunderbird. (CVE-2011-2998)\n\nAll Thunderbird users should upgrade to this updated package, which\nresolves these issues. All running instances of Thunderbird must be\nrestarted for the update to take effect.",
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          "text": "Mozilla Firefox before 3.6.23 and 4.x through 6, Thunderbird before 7.0, and SeaMonkey before 2.4 do not prevent the starting of a download in response to the holding of the Enter key, which allows user-assisted remote attackers to bypass intended access restrictions via a crafted web site.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Mozilla: Code installation through holding down Enter (MFSA 2011-40)",
          "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"
        }
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          "url": "https://www.cve.org/CVERecord?id=CVE-2011-2372"
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          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2011-2372",
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          "date": "2011-09-28T23:10:00+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",
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          "cvss_v2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
            "version": "2.0"
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            "6Server-optional-6.1.z:thunderbird-debuginfo-0:3.1.15-1.el6_1.i686",
            "6Server-optional-6.1.z:thunderbird-debuginfo-0:3.1.15-1.el6_1.ppc64",
            "6Server-optional-6.1.z:thunderbird-debuginfo-0:3.1.15-1.el6_1.s390x",
            "6Server-optional-6.1.z:thunderbird-debuginfo-0:3.1.15-1.el6_1.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2011:1342"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "products": [
            "6Server-optional-6.1.z:thunderbird-0:3.1.15-1.el6_1.i686",
            "6Server-optional-6.1.z:thunderbird-0:3.1.15-1.el6_1.ppc64",
            "6Server-optional-6.1.z:thunderbird-0:3.1.15-1.el6_1.s390x",
            "6Server-optional-6.1.z:thunderbird-0:3.1.15-1.el6_1.src",
            "6Server-optional-6.1.z:thunderbird-0:3.1.15-1.el6_1.x86_64",
            "6Server-optional-6.1.z:thunderbird-debuginfo-0:3.1.15-1.el6_1.i686",
            "6Server-optional-6.1.z:thunderbird-debuginfo-0:3.1.15-1.el6_1.ppc64",
            "6Server-optional-6.1.z:thunderbird-debuginfo-0:3.1.15-1.el6_1.s390x",
            "6Server-optional-6.1.z:thunderbird-debuginfo-0:3.1.15-1.el6_1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Critical"
        }
      ],
      "title": "Mozilla: Defense against multiple Location headers due to CRLF Injection (MFSA 2011-39)"
    }
  ]
}


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