rhsa-2021_0658
Vulnerability from csaf_redhat
Published
2021-02-24 15:31
Modified
2024-11-22 16:26
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 78.8.0. Security Fix(es): * Mozilla: Content Security Policy violation report could have contained the destination of a redirect (CVE-2021-23968) * Mozilla: Content Security Policy violation report could have contained the destination of a redirect (CVE-2021-23969) * Mozilla: Memory safety bugs fixed in Firefox 86 and Firefox ESR 78.8 (CVE-2021-23978) * Mozilla: MediaError message property could have leaked information about cross-origin resources (CVE-2021-23973) 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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          "text": "If Content Security Policy blocked frame navigation, the full destination of a redirect served in the frame was reported in the violation report; as opposed to the original frame URI. This could be used to leak sensitive information contained in such URIs. This vulnerability affects Firefox \u003c 86, Thunderbird \u003c 78.8, and Firefox ESR \u003c 78.8.",
          "title": "Vulnerability description"
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          "text": "Mozilla: Content Security Policy violation report could have contained the destination of a redirect",
          "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.",
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          "date": "2021-02-24T15:31:22+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": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
            "version": "3.1"
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          "category": "description",
          "text": "As specified in the W3C Content Security Policy draft, when creating a violation report, \"User agents need to ensure that the source file is the URL requested by the page, pre-redirects. If that\u2019s not possible, user agents need to strip the URL down to an origin to avoid unintentional leakage.\" Under certain types of redirects, Firefox incorrectly set the source file to be the destination of the redirects. This was fixed to be the redirect destination\u0027s origin. This vulnerability affects Firefox \u003c 86, Thunderbird \u003c 78.8, and Firefox ESR \u003c 78.8.",
          "title": "Vulnerability description"
        },
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          "text": "Mozilla: Content Security Policy violation report could have contained the destination of a redirect",
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-23969"
        },
        {
          "category": "external",
          "summary": "RHBZ#1932109",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1932109"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-23969",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-23969"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-23969",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23969"
        },
        {
          "category": "external",
          "summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-08/#CVE-2021-23969",
          "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-08/#CVE-2021-23969"
        }
      ],
      "release_date": "2021-02-23T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-02-24T15:31:22+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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          "url": "https://access.redhat.com/errata/RHSA-2021:0658"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N",
            "version": "3.1"
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "Mozilla: Content Security Policy violation report could have contained the destination of a redirect"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "the Mozilla project"
          ]
        },
        {
          "names": [
            "Andreas Pehrson"
          ],
          "summary": "Acknowledged by upstream."
        }
      ],
      "cve": "CVE-2021-23973",
      "cwe": {
        "id": "CWE-209",
        "name": "Generation of Error Message Containing Sensitive Information"
      },
      "discovery_date": "2021-02-23T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1932111"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "When trying to load a cross-origin resource in an audio/video context a decoding error may have resulted, and the content of that error may have revealed information about the resource. This vulnerability affects Firefox \u003c 86, Thunderbird \u003c 78.8, and Firefox ESR \u003c 78.8.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Mozilla: MediaError message property could have leaked information about cross-origin resources",
          "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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      },
      "references": [
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-23973"
        },
        {
          "category": "external",
          "summary": "RHBZ#1932111",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1932111"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-23973",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-23973"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-23973",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23973"
        },
        {
          "category": "external",
          "summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-08/#CVE-2021-23973",
          "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-08/#CVE-2021-23973"
        }
      ],
      "release_date": "2021-02-23T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-02-24T15:31:22+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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            "AppStream-8.1.0.Z.EUS:thunderbird-debugsource-0:78.8.0-1.el8_1.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:0658"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
            "version": "3.1"
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "Mozilla: MediaError message property could have leaked information about cross-origin resources"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "the Mozilla project"
          ]
        },
        {
          "names": [
            "Mozilla developers"
          ],
          "summary": "Acknowledged by upstream."
        }
      ],
      "cve": "CVE-2021-23978",
      "cwe": {
        "id": "CWE-120",
        "name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
      },
      "discovery_date": "2021-02-23T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1932112"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Mozilla developers reported memory safety bugs present in Firefox 85 and Firefox ESR 78.7. 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 Firefox \u003c 86, Thunderbird \u003c 78.8, and Firefox ESR \u003c 78.8.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Mozilla: Memory safety bugs fixed in Firefox 86 and Firefox ESR 78.8",
          "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-2021-23978"
        },
        {
          "category": "external",
          "summary": "RHBZ#1932112",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1932112"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-23978",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-23978"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-23978",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-23978"
        },
        {
          "category": "external",
          "summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-08/#CVE-2021-23978",
          "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-08/#CVE-2021-23978"
        }
      ],
      "release_date": "2021-02-23T00:00:00+00:00",
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          "category": "vendor_fix",
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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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          "url": "https://access.redhat.com/errata/RHSA-2021:0658"
        }
      ],
      "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"
          },
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "Mozilla: Memory safety bugs fixed in Firefox 86 and Firefox ESR 78.8"
    }
  ]
}


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Sightings

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Nomenclature

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