rhsa-2020_2031
Vulnerability from csaf_redhat
Published
2020-05-06 08:47
Modified
2024-11-22 15:01
Summary
Red Hat Security Advisory: firefox security update

Notes

Topic
An update for firefox is now available for Red Hat Enterprise Linux 8. 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 68.8.0 ESR. Security Fix(es): * Mozilla: Use-after-free during worker shutdown (CVE-2020-12387) * Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8 (CVE-2020-12395) * Mozilla: Buffer overflow in SCTP chunk input validation (CVE-2020-6831) * Mozilla: Arbitrary local file access with 'Copy as cURL' (CVE-2020-12392) 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": "An update for firefox is now available for Red Hat Enterprise Linux 8.\n\nRed 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.",
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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 68.8.0 ESR.\n\nSecurity Fix(es):\n\n* Mozilla: Use-after-free during worker shutdown (CVE-2020-12387)\n\n* Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8 (CVE-2020-12395)\n\n* Mozilla: Buffer overflow in SCTP chunk input validation (CVE-2020-6831)\n\n* Mozilla: Arbitrary local file access with \u0027Copy as cURL\u0027 (CVE-2020-12392)\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": [
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          "organization": "Google Project Zero",
          "summary": "Acknowledged by upstream."
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      "cve": "CVE-2020-6831",
      "cwe": {
        "id": "CWE-120",
        "name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
      },
      "discovery_date": "2020-05-05T00:00:00+00:00",
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          "system_name": "Red Hat Bugzilla ID",
          "text": "1831763"
        }
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in Mozilla Firefox and Thunderbird. When parsing and validating SCTP chunks in WebRTC a memory buffer overflow could occur leading to memory corruption and an exploitable crash. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "usrsctp: Buffer overflow in AUTH chunk input validation",
          "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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            "AppStream-8.2.0.Z.MAIN.EUS:firefox-debugsource-0:68.8.0-1.el8_2.s390x",
            "AppStream-8.2.0.Z.MAIN.EUS:firefox-debugsource-0:68.8.0-1.el8_2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "Mozilla: Arbitrary local file access with \u0027Copy as cURL\u0027"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "the Mozilla project"
          ]
        },
        {
          "names": [
            "Alexandru Michis",
            "Andr\u00e9 Bargull",
            "Bas Schouten",
            "Jason Kratzer",
            "Karl Tomlinson",
            "Ted Campbell",
            "philipp"
          ],
          "summary": "Acknowledged by upstream."
        }
      ],
      "cve": "CVE-2020-12395",
      "cwe": {
        "id": "CWE-120",
        "name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
      },
      "discovery_date": "2020-05-05T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1831765"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Memory safety flaws were found in Mozilla Firefox and Thunderbird. Memory corruption that an attacker could leverage with enough effort, could allow arbitrary code to run. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8",
          "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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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-12395"
        },
        {
          "category": "external",
          "summary": "RHBZ#1831765",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1831765"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-12395",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-12395"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-12395",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-12395"
        },
        {
          "category": "external",
          "summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-17/#CVE-2020-12395",
          "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-17/#CVE-2020-12395"
        }
      ],
      "release_date": "2020-05-05T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-05-06T08:47:01+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.",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:2031"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
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            "AppStream-8.2.0.Z.MAIN.EUS:firefox-debugsource-0:68.8.0-1.el8_2.s390x",
            "AppStream-8.2.0.Z.MAIN.EUS:firefox-debugsource-0:68.8.0-1.el8_2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Critical"
        }
      ],
      "title": "Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8"
    }
  ]
}


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