rhsa-2020_2611
Vulnerability from csaf_redhat
Published
2020-06-19 01:55
Modified
2024-11-22 15:21
Summary
Red Hat Security Advisory: thunderbird security update

Notes

Topic
An update for thunderbird is now available for Red Hat Enterprise Linux 8.1 Extended Update Support. 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
Mozilla Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 68.9.0. Security Fix(es): * Mozilla: Security downgrade with IMAP STARTTLS leads to information leakage (CVE-2020-12398) * Mozilla: Use-after-free in SharedWorkerService (CVE-2020-12405) * Mozilla: JavaScript Type confusion with NativeTypes (CVE-2020-12406) * Mozilla: Memory safety bugs fixed in Firefox 77 and Firefox ESR 68.9 (CVE-2020-12410) 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.


To clipboard 

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        }
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      "notes": [
        {
          "category": "description",
          "text": "The Mozilla Foundation Security Advisory describes this flaw as:\r\n\r\nIf Thunderbird is configured to use STARTTLS for an IMAP server, and the server sends a PREAUTH response, then Thunderbird will continue with an unencrypted connection, causing email data to be sent without protection.",
          "title": "Vulnerability description"
        },
        {
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          "text": "Mozilla: Security downgrade with IMAP STARTTLS leads to information leakage",
          "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.",
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      "remediations": [
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          "date": "2020-06-19T01:55:51+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/11258\n\nAll running instances of Thunderbird must be restarted for the update to take effect.",
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.0"
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          "organization": "Cisco Talos",
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        }
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          "category": "description",
          "text": "The Mozilla Foundation Security Advisory describes this flaw as:\r\n\r\nWhen browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Mozilla: Use-after-free in SharedWorkerService",
          "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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          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-12405",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-12405"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-12405",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-12405"
        },
        {
          "category": "external",
          "summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-21/#CVE-2020-12405",
          "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-21/#CVE-2020-12405"
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      ],
      "release_date": "2020-06-02T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-06-19T01:55:51+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/11258\n\nAll running instances of Thunderbird must be restarted for the update to take effect.",
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      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H",
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "Mozilla: Use-after-free in SharedWorkerService"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "the Mozilla project"
          ]
        },
        {
          "names": [
            "Iain Ireland"
          ],
          "summary": "Acknowledged by upstream."
        }
      ],
      "cve": "CVE-2020-12406",
      "cwe": {
        "id": "CWE-843",
        "name": "Access of Resource Using Incompatible Type (\u0027Type Confusion\u0027)"
      },
      "discovery_date": "2020-06-02T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1843312"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "The Mozilla Foundation Security Advisory describes this flaw as:\r\n\r\nMozilla developer Iain Ireland discovered a missing type check during unboxed objects removal, resulting in a crash. We presume that with enough effort that it could be exploited to run arbitrary code.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Mozilla: JavaScript Type confusion with NativeTypes",
          "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": {
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-12406"
        },
        {
          "category": "external",
          "summary": "RHBZ#1843312",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1843312"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-12406",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-12406"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-12406",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-12406"
        },
        {
          "category": "external",
          "summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-21/#CVE-2020-12406",
          "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-21/#CVE-2020-12406"
        }
      ],
      "release_date": "2020-06-02T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-06-19T01:55:51+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/11258\n\nAll running instances of Thunderbird must be restarted for the update to take effect.",
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            "category": "none"
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          "url": "https://access.redhat.com/errata/RHSA-2020:2611"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "Mozilla: JavaScript Type confusion with NativeTypes"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "the Mozilla project"
          ]
        },
        {
          "names": [
            "Tom Tung and Karl Tomlinson"
          ],
          "summary": "Acknowledged by upstream."
        }
      ],
      "cve": "CVE-2020-12410",
      "cwe": {
        "id": "CWE-120",
        "name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
      },
      "discovery_date": "2020-06-02T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1843030"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "The Mozilla Foundation Security Advisory describes this flaw as:\r\n\r\nMozilla developers reported memory safety bugs present in Firefox 76 and Firefox ESR 68.8. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Mozilla: Memory safety bugs fixed in Firefox 77 and Firefox ESR 68.9",
          "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": {
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-12410"
        },
        {
          "category": "external",
          "summary": "RHBZ#1843030",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1843030"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-12410",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-12410"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-12410",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-12410"
        },
        {
          "category": "external",
          "summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-21/#CVE-2020-12405",
          "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-21/#CVE-2020-12405"
        }
      ],
      "release_date": "2020-06-02T00:00:00+00:00",
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          "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/11258\n\nAll running instances of Thunderbird must be restarted for the update to take effect.",
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
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            "baseScore": 8.8,
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
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          "details": "Important"
        }
      ],
      "title": "Mozilla: Memory safety bugs fixed in Firefox 77 and Firefox ESR 68.9"
    }
  ]
}


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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.
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