rhsa-2021_0659
Vulnerability from csaf_redhat
Published
2021-02-24 15:26
Modified
2024-11-05 23:18
Summary
Red Hat Security Advisory: firefox security update

Notes

Topic
An update for firefox 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 Critical. 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 Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 78.8.0 ESR. 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.


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        "text": "Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.\n\nThis update upgrades Firefox to version 78.8.0 ESR.\n\nSecurity Fix(es):\n\n* Mozilla: Content Security Policy violation report could have contained the destination of a redirect (CVE-2021-23968)\n\n* Mozilla: Content Security Policy violation report could have contained the destination of a redirect (CVE-2021-23969)\n\n* Mozilla: Memory safety bugs fixed in Firefox 86 and Firefox ESR 78.8 (CVE-2021-23978)\n\n* Mozilla: MediaError message property could have leaked information about cross-origin resources (CVE-2021-23973)\n\nFor 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.",
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  "vulnerabilities": [
    {
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          "names": [
            "Ademar Nowasky Junior"
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          "summary": "Acknowledged by upstream."
        }
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      "cve": "CVE-2021-23968",
      "cwe": {
        "id": "CWE-200",
        "name": "Exposure of Sensitive Information to an Unauthorized Actor"
      },
      "discovery_date": "2021-02-23T00:00:00+00:00",
      "ids": [
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          "text": "1932110"
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      "notes": [
        {
          "category": "description",
          "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"
        },
        {
          "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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          ]
        }
      ],
      "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": {
        "fixed": [
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          "AppStream-8.1.0.Z.EUS:firefox-debuginfo-0:78.8.0-1.el8_1.x86_64",
          "AppStream-8.1.0.Z.EUS:firefox-debugsource-0:78.8.0-1.el8_1.aarch64",
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          "AppStream-8.1.0.Z.EUS:firefox-debugsource-0:78.8.0-1.el8_1.s390x",
          "AppStream-8.1.0.Z.EUS:firefox-debugsource-0:78.8.0-1.el8_1.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "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",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-02-24T15:26:31+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\nAfter installing the update, Firefox must be restarted for the changes to take effect.",
          "product_ids": [
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            "AppStream-8.1.0.Z.EUS:firefox-0:78.8.0-1.el8_1.ppc64le",
            "AppStream-8.1.0.Z.EUS:firefox-0:78.8.0-1.el8_1.s390x",
            "AppStream-8.1.0.Z.EUS:firefox-0:78.8.0-1.el8_1.src",
            "AppStream-8.1.0.Z.EUS:firefox-0:78.8.0-1.el8_1.x86_64",
            "AppStream-8.1.0.Z.EUS:firefox-debuginfo-0:78.8.0-1.el8_1.aarch64",
            "AppStream-8.1.0.Z.EUS:firefox-debuginfo-0:78.8.0-1.el8_1.ppc64le",
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            "AppStream-8.1.0.Z.EUS:firefox-debugsource-0:78.8.0-1.el8_1.aarch64",
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            "AppStream-8.1.0.Z.EUS:firefox-debugsource-0:78.8.0-1.el8_1.s390x",
            "AppStream-8.1.0.Z.EUS:firefox-debugsource-0:78.8.0-1.el8_1.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:0659"
        }
      ],
      "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": [
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            "AppStream-8.1.0.Z.EUS:firefox-0:78.8.0-1.el8_1.ppc64le",
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            "AppStream-8.1.0.Z.EUS:firefox-debuginfo-0:78.8.0-1.el8_1.s390x",
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            "AppStream-8.1.0.Z.EUS:firefox-debugsource-0:78.8.0-1.el8_1.aarch64",
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            "AppStream-8.1.0.Z.EUS:firefox-debugsource-0:78.8.0-1.el8_1.s390x",
            "AppStream-8.1.0.Z.EUS:firefox-debugsource-0:78.8.0-1.el8_1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "Mozilla: Memory safety bugs fixed in Firefox 86 and Firefox ESR 78.8"
    }
  ]
}


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