rhsa-2021_3161
Vulnerability from csaf_redhat
Published
2021-08-16 09:32
Modified
2024-11-22 17:21
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 78.13.0. Security Fix(es): * Mozilla: Uninitialized memory in a canvas object could have led to memory corruption (CVE-2021-29980) * Mozilla: Incorrect instruction reordering during JIT optimization (CVE-2021-29984) * Mozilla: Race condition when resolving DNS names could have led to memory corruption (CVE-2021-29986) * Mozilla: Memory corruption as a result of incorrect style treatment (CVE-2021-29988) * Mozilla: Memory safety bugs fixed in Thunderbird 78.13 (CVE-2021-29989) * Mozilla: Use-after-free media channels (CVE-2021-29985) 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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          "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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            "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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          "text": "Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird \u003c 78.13, Thunderbird \u003c 91, Firefox ESR \u003c 78.13, and Firefox \u003c 91.",
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-29984",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-29984"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-29984",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-29984"
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      "release_date": "2021-08-10T00:00:00+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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      ],
      "title": "Mozilla: Incorrect instruction reordering during JIT optimization"
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    {
      "cve": "CVE-2021-29985",
      "cwe": {
        "id": "CWE-416",
        "name": "Use After Free"
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      "discovery_date": "2021-08-10T00:00:00+00:00",
      "ids": [
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          "text": "1992422"
        }
      ],
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        {
          "category": "description",
          "text": "A use-after-free vulnerability in media channels could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird \u003c 78.13, Thunderbird \u003c 91, Firefox ESR \u003c 78.13, and Firefox \u003c 91.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Mozilla: Use-after-free media channels",
          "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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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-29985",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-29985"
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        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-29985",
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            "scope": "UNCHANGED",
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          "details": "Moderate"
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      "title": "Mozilla: Use-after-free media channels"
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      "cwe": {
        "id": "CWE-367",
        "name": "Time-of-check Time-of-use (TOCTOU) Race Condition"
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      "ids": [
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          "system_name": "Red Hat Bugzilla ID",
          "text": "1992417"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A suspected race condition when calling getaddrinfo led to memory corruption and a potentially exploitable crash. *Note: This issue only affected Linux operating systems. Other operating systems are unaffected.* This vulnerability affects Thunderbird \u003c 78.13, Thunderbird \u003c 91, Firefox ESR \u003c 78.13, and Firefox \u003c 91.",
          "title": "Vulnerability description"
        },
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          "category": "summary",
          "text": "Mozilla: Race condition when resolving DNS names could have led to memory corruption",
          "title": "Vulnerability summary"
        },
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          "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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      ],
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          "summary": "Canonical URL",
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-29986",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-29986"
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          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-29986",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-29986"
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          "text": "Firefox incorrectly treated an inline list-item element as a block element, resulting in an out of bounds read or memory corruption, and a potentially exploitable crash. This vulnerability affects Thunderbird \u003c 78.13, Thunderbird \u003c 91, Firefox ESR \u003c 78.13, and Firefox \u003c 91.",
          "title": "Vulnerability description"
        },
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          "text": "Mozilla: Memory corruption as a result of incorrect style treatment",
          "title": "Vulnerability summary"
        },
        {
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          "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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      "title": "Mozilla: Memory corruption as a result of incorrect style treatment"
    },
    {
      "cve": "CVE-2021-29989",
      "cwe": {
        "id": "CWE-120",
        "name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
      },
      "discovery_date": "2021-08-10T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1992423"
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          "category": "description",
          "text": "Mozilla developers reported memory safety bugs present in Firefox 90 and Firefox ESR 78.12. 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. This vulnerability affects Thunderbird \u003c 78.13, Firefox ESR \u003c 78.13, and Firefox \u003c 91.",
          "title": "Vulnerability description"
        },
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          "text": "Mozilla: Memory safety bugs fixed in Thunderbird 78.13",
          "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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      ],
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          "AppStream-8.1.0.Z.EUS:thunderbird-debuginfo-0:78.13.0-1.el8_1.x86_64",
          "AppStream-8.1.0.Z.EUS:thunderbird-debugsource-0:78.13.0-1.el8_1.ppc64le",
          "AppStream-8.1.0.Z.EUS:thunderbird-debugsource-0:78.13.0-1.el8_1.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-29989"
        },
        {
          "category": "external",
          "summary": "RHBZ#1992423",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1992423"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-29989",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-29989"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-29989",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-29989"
        }
      ],
      "release_date": "2021-08-10T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-08-16T09:32:59+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.",
          "product_ids": [
            "AppStream-8.1.0.Z.EUS:thunderbird-0:78.13.0-1.el8_1.ppc64le",
            "AppStream-8.1.0.Z.EUS:thunderbird-0:78.13.0-1.el8_1.src",
            "AppStream-8.1.0.Z.EUS:thunderbird-0:78.13.0-1.el8_1.x86_64",
            "AppStream-8.1.0.Z.EUS:thunderbird-debuginfo-0:78.13.0-1.el8_1.ppc64le",
            "AppStream-8.1.0.Z.EUS:thunderbird-debuginfo-0:78.13.0-1.el8_1.x86_64",
            "AppStream-8.1.0.Z.EUS:thunderbird-debugsource-0:78.13.0-1.el8_1.ppc64le",
            "AppStream-8.1.0.Z.EUS:thunderbird-debugsource-0:78.13.0-1.el8_1.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:3161"
        }
      ],
      "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",
            "version": "3.1"
          },
          "products": [
            "AppStream-8.1.0.Z.EUS:thunderbird-0:78.13.0-1.el8_1.ppc64le",
            "AppStream-8.1.0.Z.EUS:thunderbird-0:78.13.0-1.el8_1.src",
            "AppStream-8.1.0.Z.EUS:thunderbird-0:78.13.0-1.el8_1.x86_64",
            "AppStream-8.1.0.Z.EUS:thunderbird-debuginfo-0:78.13.0-1.el8_1.ppc64le",
            "AppStream-8.1.0.Z.EUS:thunderbird-debuginfo-0:78.13.0-1.el8_1.x86_64",
            "AppStream-8.1.0.Z.EUS:thunderbird-debugsource-0:78.13.0-1.el8_1.ppc64le",
            "AppStream-8.1.0.Z.EUS:thunderbird-debugsource-0:78.13.0-1.el8_1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "Mozilla: Memory safety bugs fixed in Thunderbird 78.13"
    }
  ]
}


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