rhsa-2021_1351
Vulnerability from csaf_redhat
Published
2021-04-26 05:51
Modified
2024-11-05 23:30
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 78.10.0. Security Fix(es): * Mozilla: Out of bound write due to lazy initialization (CVE-2021-23994) * Mozilla: Use-after-free in Responsive Design Mode (CVE-2021-23995) * Mozilla: More internal network hosts could have been probed by a malicious webpage (CVE-2021-23961) * Mozilla: Secure Lock icon could have been spoofed (CVE-2021-23998) * Mozilla: Blob URLs may have been granted additional privileges (CVE-2021-23999) * Mozilla: Arbitrary FTP command execution on FTP servers using an encoded URL (CVE-2021-24002) * Mozilla: Incorrect size computation in WebAssembly JIT could lead to null-reads (CVE-2021-29945) * Mozilla: Port blocking could be bypassed (CVE-2021-29946) * Mozilla: Race condition when reading from disk while verifying signatures (CVE-2021-29948) 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": [
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          "category": "description",
          "text": "Further techniques that built on the slipstream research combined with a malicious webpage could have exposed both an internal network\u0027s hosts as well as services running on the user\u0027s local machine. This vulnerability affects Firefox \u003c 85.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Mozilla: More internal network hosts could have been probed by a malicious webpage",
          "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": "RHBZ#1951367",
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      "remediations": [
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          "category": "vendor_fix",
          "date": "2021-04-26T05:51:53+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": 7.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N",
            "version": "3.1"
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          "details": "Moderate"
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        "name": "Out-of-bounds Write"
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          "category": "description",
          "text": "A WebGL framebuffer was not initialized early enough, resulting in memory corruption and an out of bound write. This vulnerability affects Firefox ESR \u003c 78.10, Thunderbird \u003c 78.10, and Firefox \u003c 88.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Mozilla: Out of bound write due to lazy initialization",
          "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.",
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      ],
      "product_status": {
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          "category": "external",
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        {
          "category": "external",
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          "details": "Important"
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      ],
      "title": "Mozilla: Out of bound write due to lazy initialization"
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        {
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          "summary": "Acknowledged by upstream."
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          "system_name": "Red Hat Bugzilla ID",
          "text": "1951365"
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      ],
      "notes": [
        {
          "category": "description",
          "text": "When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR \u003c 78.10, Thunderbird \u003c 78.10, and Firefox \u003c 88.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Mozilla: Use-after-free in Responsive Design Mode",
          "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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      ],
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        {
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          "details": "Important"
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      ],
      "title": "Mozilla: Use-after-free in Responsive Design Mode"
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          "names": [
            "the Mozilla project"
          ]
        },
        {
          "names": [
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          "summary": "Acknowledged by upstream."
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          "category": "description",
          "text": "Through complicated navigations with new windows, an HTTP page could have inherited a secure lock icon from an HTTPS page. This vulnerability affects Firefox ESR \u003c 78.10, Thunderbird \u003c 78.10, and Firefox \u003c 88.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Mozilla: Secure Lock icon could have been spoofed",
          "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.",
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          "details": "Moderate"
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        {
          "names": [
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          "title": "Vulnerability description"
        },
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          "text": "Mozilla: Blob URLs may have been granted additional privileges",
          "title": "Vulnerability summary"
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        {
          "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.",
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      "title": "Mozilla: Blob URLs may have been granted additional privileges"
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          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "Mozilla: Arbitrary FTP command execution on FTP servers using an encoded URL",
          "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.",
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          "details": "Moderate"
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      ],
      "title": "Mozilla: Arbitrary FTP command execution on FTP servers using an encoded URL"
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        },
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          "title": "Vulnerability description"
        },
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          "text": "Mozilla: Incorrect size computation in WebAssembly JIT could lead to null-reads",
          "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.",
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      ],
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          "details": "Moderate"
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      "title": "Mozilla: Incorrect size computation in WebAssembly JIT could lead to null-reads"
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    {
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        {
          "names": [
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          "title": "Vulnerability summary"
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        {
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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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        {
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          "title": "Vulnerability description"
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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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          "AppStream-8.1.0.Z.EUS:thunderbird-debugsource-0:78.10.0-1.el8_1.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-29948"
        },
        {
          "category": "external",
          "summary": "RHBZ#1951381",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1951381"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-29948",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-29948"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-29948",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-29948"
        },
        {
          "category": "external",
          "summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-14/#CVE-2021-29948",
          "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-14/#CVE-2021-29948"
        }
      ],
      "release_date": "2021-04-19T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2021-04-26T05:51:53+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.",
          "product_ids": [
            "AppStream-8.1.0.Z.EUS:thunderbird-0:78.10.0-1.el8_1.ppc64le",
            "AppStream-8.1.0.Z.EUS:thunderbird-0:78.10.0-1.el8_1.src",
            "AppStream-8.1.0.Z.EUS:thunderbird-0:78.10.0-1.el8_1.x86_64",
            "AppStream-8.1.0.Z.EUS:thunderbird-debuginfo-0:78.10.0-1.el8_1.ppc64le",
            "AppStream-8.1.0.Z.EUS:thunderbird-debuginfo-0:78.10.0-1.el8_1.x86_64",
            "AppStream-8.1.0.Z.EUS:thunderbird-debugsource-0:78.10.0-1.el8_1.ppc64le",
            "AppStream-8.1.0.Z.EUS:thunderbird-debugsource-0:78.10.0-1.el8_1.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:1351"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "LOCAL",
            "availabilityImpact": "NONE",
            "baseScore": 2.5,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "AppStream-8.1.0.Z.EUS:thunderbird-0:78.10.0-1.el8_1.ppc64le",
            "AppStream-8.1.0.Z.EUS:thunderbird-0:78.10.0-1.el8_1.src",
            "AppStream-8.1.0.Z.EUS:thunderbird-0:78.10.0-1.el8_1.x86_64",
            "AppStream-8.1.0.Z.EUS:thunderbird-debuginfo-0:78.10.0-1.el8_1.ppc64le",
            "AppStream-8.1.0.Z.EUS:thunderbird-debuginfo-0:78.10.0-1.el8_1.x86_64",
            "AppStream-8.1.0.Z.EUS:thunderbird-debugsource-0:78.10.0-1.el8_1.ppc64le",
            "AppStream-8.1.0.Z.EUS:thunderbird-debugsource-0:78.10.0-1.el8_1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "Mozilla: Race condition when reading from disk while verifying signatures"
    }
  ]
}


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