csaf_redhat - rhsa-2020

rhsa-2020_5644

Vulnerability from csaf_redhat

Published

2020-12-21 12:33

Modified

2024-11-10 18:12

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 78.6.0. Security Fix(es): * chromium-browser: Uninitialized Use in V8 (CVE-2020-16042) * Mozilla: Stack overflow due to incorrect parsing of SMTP server response codes (CVE-2020-26970) * Mozilla: Heap buffer overflow in WebGL (CVE-2020-26971) * Mozilla: CSS Sanitizer performed incorrect sanitization (CVE-2020-26973) * Mozilla: Incorrect cast of StyleGenericFlexBasis resulted in a heap use-after-free (CVE-2020-26974) * Mozilla: Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6 (CVE-2020-35113) * Mozilla: Internal network hosts could have been probed by a malicious webpage (CVE-2020-26978) * Mozilla: The proxy.onRequest API did not catch view-source URLs (CVE-2020-35111) 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.

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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{
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      "text": "Important"
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    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
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    "lang": "en",
    "notes": [
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        "category": "summary",
        "text": "An update for thunderbird is now available for Red Hat Enterprise Linux 8.1 Extended Update Support.\n\nRed 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.",
        "title": "Topic"
      },
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        "text": "Mozilla Thunderbird is a standalone mail and newsgroup client.\n\nThis update upgrades Thunderbird to version 78.6.0.\n\nSecurity Fix(es):\n\n* chromium-browser: Uninitialized Use in V8 (CVE-2020-16042)\n\n* Mozilla: Stack overflow due to incorrect parsing of SMTP server response codes (CVE-2020-26970)\n\n* Mozilla: Heap buffer overflow in WebGL (CVE-2020-26971)\n\n* Mozilla: CSS Sanitizer performed incorrect sanitization (CVE-2020-26973)\n\n* Mozilla: Incorrect cast of StyleGenericFlexBasis resulted in a heap use-after-free (CVE-2020-26974)\n\n* Mozilla: Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6 (CVE-2020-35113)\n\n* Mozilla: Internal network hosts could have been probed by a malicious webpage (CVE-2020-26978)\n\n* Mozilla: The proxy.onRequest API did not catch view-source URLs (CVE-2020-35111)\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.",
        "title": "Details"
      },
      {
        "category": "legal_disclaimer",
        "text": "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.",
        "title": "Terms of Use"
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    "title": "Red Hat Security Advisory: thunderbird security update",
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      "current_release_date": "2024-11-10T18:12:28+00:00",
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        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "The Mozilla Foundation Security Advisory describes this flaw as:\r\n\r\nWhen a BigInt was right-shifted the backing store was not properly cleared, allowing uninitialized memory to be read.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "chromium-browser: Uninitialized Use in V8",
          "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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          "url": "https://access.redhat.com/security/cve/CVE-2020-16042"
        },
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          "summary": "RHBZ#1904515",
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        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-16042",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-16042"
        },
        {
          "category": "external",
          "summary": "https://chromereleases.googleblog.com/2020/12/stable-channel-update-for-desktop.html",
          "url": "https://chromereleases.googleblog.com/2020/12/stable-channel-update-for-desktop.html"
        }
      ],
      "release_date": "2020-12-02T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2020-12-21T12:33:25+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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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2020:5644"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
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      "threats": [
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          "category": "impact",
          "details": "Important"
        }
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    },
    {
      "acknowledgments": [
        {
          "names": [
            "the Mozilla project"
          ]
        },
        {
          "names": [
            "Chiaki Ishikawa"
          ],
          "summary": "Acknowledged by upstream."
        }
      ],
      "cve": "CVE-2020-26970",
      "cwe": {
        "id": "CWE-121",
        "name": "Stack-based Buffer Overflow"
      },
      "discovery_date": "2020-12-01T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1903443"
        }
      ],
      "notes": [
        {
          "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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          "names": [
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  ]
}

cve-2020-35111

Vulnerability from cvelistv5

Published

2021-01-07 13:50

Modified

2024-08-04 16:55

Severity ?

Summary

When an extension with the proxy permission registered to receive <all_urls>, the proxy.onRequest callback was not triggered for view-source URLs. While web content cannot navigate to such URLs, a user opening View Source could have inadvertently leaked their IP address. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

References

▼	URL	Tags
	https://www.mozilla.org/security/advisories/mfsa2020-54/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2020-56/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2020-55/	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1657916	x_refsource_MISC

Impacted products

▼	Vendor	Product
	Mozilla	Firefox
	Mozilla	Thunderbird
	Mozilla	Firefox ESR

Show details on NVD website

JSON

To clipboard

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cve-2020-35113

Vulnerability from cvelistv5

Published

2021-01-07 13:49

Modified

2024-08-04 16:55

Severity ?

Summary

Mozilla developers reported memory safety bugs present in Firefox 83 and Firefox ESR 78.5. 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 < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

References

▼	URL	Tags
	https://www.mozilla.org/security/advisories/mfsa2020-54/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2020-56/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2020-55/	x_refsource_MISC
	https://bugzilla.mozilla.org/buglist.cgi?bug_id=1664831%2C1673589	x_refsource_MISC

Impacted products

▼	Vendor	Product
	Mozilla	Firefox
	Mozilla	Thunderbird
	Mozilla	Firefox ESR

Show details on NVD website

JSON

To clipboard

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cve-2020-16042

Vulnerability from cvelistv5

Published

2021-01-08 17:54

Modified

2024-08-04 13:37

Severity ?

Summary

Uninitialized Use in V8 in Google Chrome prior to 87.0.4280.88 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page.

References

▼	URL	Tags
	https://chromereleases.googleblog.com/2020/12/stable-channel-update-for-desktop.html	x_refsource_MISC
	https://crbug.com/1151890	x_refsource_MISC

Impacted products

▼	Vendor	Product
	Google	Chrome

Show details on NVD website

JSON

To clipboard

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cve-2020-26973

Vulnerability from cvelistv5

Published

2021-01-07 13:53

Modified

2024-08-04 16:03

Severity ?

Summary

Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

References

▼	URL	Tags
	https://www.mozilla.org/security/advisories/mfsa2020-54/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2020-56/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2020-55/	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1680084	x_refsource_MISC

Impacted products

▼	Vendor	Product
	Mozilla	Firefox
	Mozilla	Thunderbird
	Mozilla	Firefox ESR

Show details on NVD website

JSON

To clipboard

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cve-2020-26974

Vulnerability from cvelistv5

Published

2021-01-07 13:52

Modified

2024-08-04 16:03

Severity ?

Summary

When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a heap user-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

References

▼	URL	Tags
	https://www.mozilla.org/security/advisories/mfsa2020-54/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2020-56/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2020-55/	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1681022	x_refsource_MISC

Impacted products

▼	Vendor	Product
	Mozilla	Firefox
	Mozilla	Thunderbird
	Mozilla	Firefox ESR

Show details on NVD website

JSON

To clipboard

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cve-2020-26971

Vulnerability from cvelistv5

Published

2021-01-07 13:54

Modified

2024-08-04 16:03

Severity ?

Summary

Certain blit values provided by the user were not properly constrained leading to a heap buffer overflow on some video drivers. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

References

▼	URL	Tags
	https://www.mozilla.org/security/advisories/mfsa2020-54/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2020-56/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2020-55/	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1663466	x_refsource_MISC

Impacted products

▼	Vendor	Product
	Mozilla	Firefox
	Mozilla	Thunderbird
	Mozilla	Firefox ESR

Show details on NVD website

JSON

To clipboard

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cve-2020-26970

Vulnerability from cvelistv5

Published

2020-12-09 00:26

Modified

2024-08-04 16:03

Severity ?

Summary

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 < 78.5.1.

References

▼	URL	Tags
	https://bugzilla.mozilla.org/show_bug.cgi?id=1677338	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2020-53/	x_refsource_CONFIRM

Impacted products

▼	Vendor	Product
	Mozilla	Thunderbird

Show details on NVD website

JSON

To clipboard

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cve-2020-26978

Vulnerability from cvelistv5

Published

2021-01-07 13:51

Modified

2024-08-04 16:03

Severity ?

Summary

Using techniques that built on the slipstream research, a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.

References

▼	URL	Tags
	https://www.mozilla.org/security/advisories/mfsa2020-54/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2020-56/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2020-55/	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1677047	x_refsource_MISC

Impacted products

▼	Vendor	Product
	Mozilla	Firefox
	Mozilla	Thunderbird
	Mozilla	Firefox ESR

Show details on NVD website

JSON

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{
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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.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
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.

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Tags

Sightings

Nomenclature