rhsa-2020_2048
Vulnerability from csaf_redhat
Published
2020-05-11 09:01
Modified
2024-11-22 15:02
Summary
Red Hat Security Advisory: thunderbird security update

Notes

Topic
An update for thunderbird is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions. 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 Thunderbird is a standalone mail and newsgroup client. This update upgrades Thunderbird to version 68.8.0. 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) * usrsctp: Buffer overflow in AUTH chunk input validation (CVE-2020-6831) * Mozilla: Arbitrary local file access with 'Copy as cURL' (CVE-2020-12392) * Mozilla: Sender Email Address Spoofing using encoded Unicode characters (CVE-2020-12397) 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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          "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",
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            "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"
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          "title": "Vulnerability description"
        },
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          "text": "Mozilla: Use-after-free during worker shutdown",
          "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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      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2020-12387"
        },
        {
          "category": "external",
          "summary": "RHBZ#1831761",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1831761"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-12387",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-12387"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-12387",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-12387"
        },
        {
          "category": "external",
          "summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-17/#CVE-2020-12387",
          "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-17/#CVE-2020-12387"
        }
      ],
      "release_date": "2020-05-05T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-05-11T09:01:33+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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      ],
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        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
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            "baseScore": 8.8,
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
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            "scope": "UNCHANGED",
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      ],
      "threats": [
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          "category": "impact",
          "details": "Critical"
        }
      ],
      "title": "Mozilla: Use-after-free during worker shutdown"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "the Mozilla project"
          ]
        },
        {
          "names": [
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      "cwe": {
        "id": "CWE-552",
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        }
      ],
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        {
          "category": "description",
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          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Mozilla: Arbitrary local file access with \u0027Copy as cURL\u0027",
          "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-2020-12392",
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        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-12392",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-12392"
        },
        {
          "category": "external",
          "summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-17/#CVE-2020-12392",
          "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-17/#CVE-2020-12392"
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      ],
      "release_date": "2020-05-05T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-05-11T09:01:33+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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          "cvss_v3": {
            "attackComplexity": "LOW",
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            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "Mozilla: Arbitrary local file access with \u0027Copy as cURL\u0027"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "the Mozilla project"
          ]
        },
        {
          "names": [
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            "Andr\u00e9 Bargull",
            "Bas Schouten",
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            "Karl Tomlinson",
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          "summary": "Acknowledged by upstream."
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      "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",
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        }
      ],
      "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": {
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          "category": "vendor_fix",
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
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            "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",
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      "threats": [
        {
          "category": "impact",
          "details": "Critical"
        }
      ],
      "title": "Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8"
    },
    {
      "acknowledgments": [
        {
          "names": [
            "the Mozilla project"
          ]
        },
        {
          "names": [
            "Ahmed Elsobky"
          ],
          "organization": "@0xSobky",
          "summary": "Acknowledged by upstream."
        }
      ],
      "cve": "CVE-2020-12397",
      "cwe": {
        "id": "CWE-172",
        "name": "Encoding Error"
      },
      "discovery_date": "2020-05-05T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1832565"
        }
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      "notes": [
        {
          "category": "description",
          "text": "By encoding Unicode whitespace characters within the From email header, an attacker can spoof the sender email address that Thunderbird displays. This vulnerability affects Thunderbird \u003c 68.8.0.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Mozilla: Sender Email Address Spoofing using encoded Unicode characters",
          "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",
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          "category": "external",
          "summary": "RHBZ#1832565",
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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-12397"
        },
        {
          "category": "external",
          "summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-18/#CVE-2020-12397",
          "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-18/#CVE-2020-12397"
        }
      ],
      "release_date": "2020-05-05T00:00:00+00:00",
      "remediations": [
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          "category": "vendor_fix",
          "date": "2020-05-11T09:01:33+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-2020:2048"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "AppStream-8.0.0.Z.E4S:thunderbird-0:68.8.0-1.el8_0.ppc64le",
            "AppStream-8.0.0.Z.E4S:thunderbird-0:68.8.0-1.el8_0.src",
            "AppStream-8.0.0.Z.E4S:thunderbird-0:68.8.0-1.el8_0.x86_64",
            "AppStream-8.0.0.Z.E4S:thunderbird-debuginfo-0:68.8.0-1.el8_0.ppc64le",
            "AppStream-8.0.0.Z.E4S:thunderbird-debuginfo-0:68.8.0-1.el8_0.x86_64",
            "AppStream-8.0.0.Z.E4S:thunderbird-debugsource-0:68.8.0-1.el8_0.ppc64le",
            "AppStream-8.0.0.Z.E4S:thunderbird-debugsource-0:68.8.0-1.el8_0.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "Mozilla: Sender Email Address Spoofing using encoded Unicode characters"
    }
  ]
}


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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 confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.