Vulnerability-Lookup

RHSA-2020:3633

Vulnerability from csaf_redhat - Published: 2020-09-07 08:21 - Updated: 2025-11-21 18:16

Summary

Red Hat Security Advisory: thunderbird security update

Severity

Important

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 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 68.12.0. Security Fix(es): * Mozilla: Attacker-induced prompt for extension installation (CVE-2020-15664) * Mozilla: Use-After-Free when aborting an operation (CVE-2020-15669) 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.

CVE-2020-15664

By holding a reference to the eval() function from an about:blank window, a malicious webpage could have gained access to the InstallTrigger object which would allow them to prompt the user to install an extension. Combined with user confusion, this could result in an unintended or malicious extension being installed. This vulnerability affects Firefox < 80, Thunderbird < 78.2, Thunderbird < 68.12, Firefox ESR < 68.12, Firefox ESR < 78.2, and Firefox for Android < 80.

6.5 (Medium)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

CWE-648 - Incorrect Use of Privileged APIs

Affected products

Fixed 7 products

Product	Version	Remediation
Unresolved product id: AppStream-8.0.0.Z.E4S:thunderbird-0:68.12.0-1.el8_0.ppc64le	—	Vendor Fix fix
Unresolved product id: AppStream-8.0.0.Z.E4S:thunderbird-0:68.12.0-1.el8_0.src	—	Vendor Fix fix
Unresolved product id: AppStream-8.0.0.Z.E4S:thunderbird-0:68.12.0-1.el8_0.x86_64	—	Vendor Fix fix
Unresolved product id: AppStream-8.0.0.Z.E4S:thunderbird-debuginfo-0:68.12.0-1.el8_0.ppc64le	—	Vendor Fix fix
Unresolved product id: AppStream-8.0.0.Z.E4S:thunderbird-debuginfo-0:68.12.0-1.el8_0.x86_64	—	Vendor Fix fix
Unresolved product id: AppStream-8.0.0.Z.E4S:thunderbird-debugsource-0:68.12.0-1.el8_0.ppc64le	—	Vendor Fix fix
Unresolved product id: AppStream-8.0.0.Z.E4S:thunderbird-debugsource-0:68.12.0-1.el8_0.x86_64	—	Vendor Fix fix

Threats

Impact Important

CVE-2020-15669

When aborting an operation, such as a fetch, an abort signal may be deleted while alerting the objects to be notified. This results in a use-after-free and we presume that with enough effort it could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 68.12 and Thunderbird < 68.12.

8.8 (High)


                
                  CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE-416 - Use After Free

Affected products

Fixed 7 products, the same list as for CVE-2020-15664

Threats

Impact Important

References

15 references

URL	Category
https://access.redhat.com/errata/RHSA-2020:3633	self
https://access.redhat.com/security/updates/classi…	external
https://bugzilla.redhat.com/show_bug.cgi?id=1872531	external
https://bugzilla.redhat.com/show_bug.cgi?id=1872532	external
https://security.access.redhat.com/data/csaf/v2/a…	self
https://access.redhat.com/security/cve/CVE-2020-15664	self
https://bugzilla.redhat.com/show_bug.cgi?id=1872531	external
https://www.cve.org/CVERecord?id=CVE-2020-15664	external
https://nvd.nist.gov/vuln/detail/CVE-2020-15664	external
https://www.mozilla.org/en-US/security/advisories…	external
https://access.redhat.com/security/cve/CVE-2020-15669	self
https://bugzilla.redhat.com/show_bug.cgi?id=1872532	external
https://www.cve.org/CVERecord?id=CVE-2020-15669	external
https://nvd.nist.gov/vuln/detail/CVE-2020-15669	external
https://www.mozilla.org/en-US/security/advisories…	external

Acknowledgments

the Mozilla project

Kaizer Soze

Jason Kratzer

JSON

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          "title": "Vulnerability description"
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        },
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          "title": "Vulnerability summary"
        },
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}

CVE-2020-15664 (GCVE-0-2020-15664)

Vulnerability from cvelistv5 – Published: 2020-10-01 18:43 – Updated: 2024-08-04 13:22

Summary

Severity

No CVSS data available.

CWE

Attacker-induced prompt for extension installation

Assigner

mozilla CNA under the mitre root

CNA scorecard E 38/100 over 782 records in the last 180 days details

References

7 references

URL	Tags
https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1658214	x_refsource_MISC

Impacted products

4 products

Vendor	Product	Version
Mozilla	Firefox	Affected: unspecified , < 80 (custom)
Mozilla	Thunderbird	Affected: unspecified , < 78.2 (custom) Affected: unspecified , < 68.12 (custom)
Mozilla	Firefox ESR	Affected: unspecified , < 68.12 (custom) Affected: unspecified , < 78.2 (custom)
Mozilla	Firefox for Android	Affected: unspecified , < 80 (custom)

Show details on NVD website

JSON

To clipboard

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CVE-2020-15669 (GCVE-0-2020-15669)

Vulnerability from cvelistv5 – Published: 2020-10-01 18:42 – Updated: 2024-08-04 13:22

Summary

Severity

No CVSS data available.

CWE

Use-After-Free when aborting an operation

Assigner

mozilla CNA under the mitre root

CNA scorecard E 38/100 over 782 records in the last 180 days details

References

3 references

URL	Tags
https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
https://bugzilla.mozilla.org/show_bug.cgi?id=1656957	x_refsource_MISC

Impacted products

2 products

Vendor	Product	Version
Mozilla	Firefox ESR	Affected: unspecified , < 68.12 (custom)
Mozilla	Thunderbird	Affected: unspecified , < 68.12 (custom)

Show details on NVD website

JSON

To clipboard

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              "description": [
                {
                  "lang": "eng",
                  "value": "Use-After-Free when aborting an operation"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.mozilla.org/security/advisories/mfsa2020-40/",
              "refsource": "MISC",
              "url": "https://www.mozilla.org/security/advisories/mfsa2020-40/"
            },
            {
              "name": "https://www.mozilla.org/security/advisories/mfsa2020-37/",
              "refsource": "MISC",
              "url": "https://www.mozilla.org/security/advisories/mfsa2020-37/"
            },
            {
              "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1656957",
              "refsource": "MISC",
              "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1656957"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2020-15669",
    "datePublished": "2020-10-01T18:42:09.000Z",
    "dateReserved": "2020-07-10T00:00:00.000Z",
    "dateUpdated": "2024-08-04T13:22:30.704Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

RHSA-2020:3633

CVE-2020-15664 (GCVE-0-2020-15664)

CVE-2020-15669 (GCVE-0-2020-15669)

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour