RHSA-2020:2824
Vulnerability from csaf_redhat - Published: 2020-07-06 20:52 - Updated: 2026-06-25 10:56Summary
Red Hat Security Advisory: firefox security update
Severity
Important
Notes
Topic: An update for firefox is now available for Red Hat Enterprise Linux 6.
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 Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 68.10.0 ESR.
Security Fix(es):
* Mozilla: Information disclosure due to manipulated URL object (CVE-2020-12418)
* Mozilla: Use-after-free in nsGlobalWindowInner (CVE-2020-12419)
* Mozilla: Use-After-Free when trying to connect to a STUN server (CVE-2020-12420)
* Mozilla: Add-On updates did not respect the same certificate trust rules as software updates (CVE-2020-12421)
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.
The Mozilla Foundation Security Advisory describes this flaw as: Manipulating individual parts of a URL object could have caused an out-of-bounds read, leaking process memory to malicious JavaScript.
6.5 (Medium)
Affected products
Fixed
30 products
| Product | Identifier | Version | Remediation |
|---|---|---|---|
| Unresolved product id: 6Client-6.10.z:firefox-0:68.10.0-1.el6_10.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Client-6.10.z:firefox-0:68.10.0-1.el6_10.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Client-6.10.z:firefox-0:68.10.0-1.el6_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Client-6.10.z:firefox-debuginfo-0:68.10.0-1.el6_10.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Client-6.10.z:firefox-debuginfo-0:68.10.0-1.el6_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Client-optional-6.10.z:firefox-0:68.10.0-1.el6_10.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Client-optional-6.10.z:firefox-debuginfo-0:68.10.0-1.el6_10.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6ComputeNode-optional-6.10.z:firefox-0:68.10.0-1.el6_10.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6ComputeNode-optional-6.10.z:firefox-0:68.10.0-1.el6_10.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6ComputeNode-optional-6.10.z:firefox-0:68.10.0-1.el6_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6ComputeNode-optional-6.10.z:firefox-debuginfo-0:68.10.0-1.el6_10.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6ComputeNode-optional-6.10.z:firefox-debuginfo-0:68.10.0-1.el6_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-6.10.z:firefox-0:68.10.0-1.el6_10.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-6.10.z:firefox-0:68.10.0-1.el6_10.ppc64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-6.10.z:firefox-0:68.10.0-1.el6_10.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-6.10.z:firefox-0:68.10.0-1.el6_10.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-6.10.z:firefox-0:68.10.0-1.el6_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-6.10.z:firefox-debuginfo-0:68.10.0-1.el6_10.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-6.10.z:firefox-debuginfo-0:68.10.0-1.el6_10.ppc64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-6.10.z:firefox-debuginfo-0:68.10.0-1.el6_10.s390x | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-6.10.z:firefox-debuginfo-0:68.10.0-1.el6_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-optional-6.10.z:firefox-0:68.10.0-1.el6_10.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Server-optional-6.10.z:firefox-debuginfo-0:68.10.0-1.el6_10.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Workstation-6.10.z:firefox-0:68.10.0-1.el6_10.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Workstation-6.10.z:firefox-0:68.10.0-1.el6_10.src | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Workstation-6.10.z:firefox-0:68.10.0-1.el6_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Workstation-6.10.z:firefox-debuginfo-0:68.10.0-1.el6_10.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Workstation-6.10.z:firefox-debuginfo-0:68.10.0-1.el6_10.x86_64 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Workstation-optional-6.10.z:firefox-0:68.10.0-1.el6_10.i686 | — |
Vendor Fix
fix
|
|
| Unresolved product id: 6Workstation-optional-6.10.z:firefox-debuginfo-0:68.10.0-1.el6_10.i686 | — |
Vendor Fix
fix
|
Threats
Impact
Important
The Mozilla Foundation Security Advisory describes this flaw as: When processing callbacks that occurred during window flushing in the parent process, the associated window may die; causing a use-after-free condition. This could have led to memory corruption and a potentially exploitable crash.
8.8 (High)
Affected products
Fixed
30 products, the same list as for
CVE-2020-12418
Threats
Impact
Important
The Mozilla Foundation Security Advisory describes this flaw as: When trying to connect to a STUN server, a race condition could have caused a use-after-free of a pointer, leading to memory corruption and a potentially exploitable crash.
8.8 (High)
Affected products
Fixed
30 products, the same list as for
CVE-2020-12418
Threats
Impact
Important
The Mozilla Foundation Security Advisory describes this flaw as: When performing add-on updates, certificate chains terminating in non-built-in-roots were rejected (even if they were legitimately added by an administrator.) This could have caused add-ons to become out-of-date silently without notification to the user.
6.1 (Medium)
Affected products
Fixed
30 products, the same list as for
CVE-2020-12418
Threats
Impact
Moderate
References
27 references
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"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "Mozilla: Use-After-Free when trying to connect to a STUN server"
},
{
"acknowledgments": [
{
"names": [
"the Mozilla project"
]
},
{
"names": [
"Chuck Harmston",
"Robert Hardy"
],
"summary": "Acknowledged by upstream."
}
],
"cve": "CVE-2020-12421",
"cwe": {
"id": "CWE-296",
"name": "Improper Following of a Certificate\u0027s Chain of Trust"
},
"discovery_date": "2020-06-30T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1853018"
}
],
"notes": [
{
"category": "description",
"text": "The Mozilla Foundation Security Advisory describes this flaw as:\r\n\r\nWhen performing add-on updates, certificate chains terminating in non-built-in-roots were rejected (even if they were legitimately added by an administrator.) This could have caused add-ons to become out-of-date silently without notification to the user.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Mozilla: Add-On updates did not respect the same certificate trust rules as software updates",
"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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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2020-12421"
},
{
"category": "external",
"summary": "RHBZ#1853018",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1853018"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2020-12421",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-12421"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-12421",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-12421"
},
{
"category": "external",
"summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-25/#CVE-2020-12421",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-25/#CVE-2020-12421"
}
],
"release_date": "2020-06-30T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2020-07-06T20:52:09+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\nAfter installing the update, Firefox must be restarted for the changes to take effect.",
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"scores": [
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"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "NONE",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
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],
"threats": [
{
"category": "impact",
"details": "Moderate"
}
],
"title": "Mozilla: Add-On updates did not respect the same certificate trust rules as software updates"
}
]
}
Loading…
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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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.
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.
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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.
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