rhsa-2020_5399
Vulnerability from csaf_redhat
Published
2020-12-14 12:28
Modified
2024-11-22 16:11
Summary
Red Hat Security Advisory: thunderbird security update

Notes

Topic
An update for thunderbird is now available for Red Hat Enterprise Linux 8.2 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 78.5.1. Security Fix(es): * Mozilla: Stack overflow due to incorrect parsing of SMTP server response codes (CVE-2020-26970) 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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  "vulnerabilities": [
    {
      "acknowledgments": [
        {
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          "names": [
            "Chiaki Ishikawa"
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        {
          "category": "description",
          "text": "When reading SMTP server status codes, Thunderbird writes an integer value to a position on the stack that is intended to contain just one byte. Depending on processor architecture and stack layout, this leads to stack corruption that may be exploitable. This vulnerability affects Thunderbird \u003c 78.5.1.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Mozilla: Stack overflow due to incorrect parsing of SMTP server response codes",
          "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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          "summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-53/#CVE-2020-26970",
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          "date": "2020-12-14T12:28:40+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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            "baseScore": 8.8,
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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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            "AppStream-8.2.0.Z.EUS:thunderbird-debuginfo-0:78.5.1-1.el8_2.aarch64",
            "AppStream-8.2.0.Z.EUS:thunderbird-debuginfo-0:78.5.1-1.el8_2.ppc64le",
            "AppStream-8.2.0.Z.EUS:thunderbird-debuginfo-0:78.5.1-1.el8_2.x86_64",
            "AppStream-8.2.0.Z.EUS:thunderbird-debugsource-0:78.5.1-1.el8_2.aarch64",
            "AppStream-8.2.0.Z.EUS:thunderbird-debugsource-0:78.5.1-1.el8_2.ppc64le",
            "AppStream-8.2.0.Z.EUS:thunderbird-debugsource-0:78.5.1-1.el8_2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "Mozilla: Stack overflow due to incorrect parsing of SMTP server response codes"
    }
  ]
}


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Sightings

Author Source Type Date

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.