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CERTFR-2020-AVI-826
Vulnerability from certfr_avis
De multiples vulnérabilités ont été découvertes dans Mozilla Firefox. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire, un déni de service et un contournement de la politique de sécurité.
Solution
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
NoneImpacted products
References
| Title | Publication Time | Tags | |||
|---|---|---|---|---|---|
|
|||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Mozilla Firefox versions ant\u00e9rieures \u00e0 84",
"product": {
"name": "Firefox",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
},
{
"description": "Mozilla Firefox ESR versions ant\u00e9rieures \u00e0 78.6",
"product": {
"name": "Firefox",
"vendor": {
"name": "Mozilla",
"scada": false
}
}
}
],
"affected_systems_content": null,
"content": "## Solution\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des\ncorrectifs (cf. section Documentation).\n",
"cves": [
{
"name": "CVE-2020-26978",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-26978"
},
{
"name": "CVE-2020-35113",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-35113"
},
{
"name": "CVE-2020-26975",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-26975"
},
{
"name": "CVE-2020-26973",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-26973"
},
{
"name": "CVE-2020-26972",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-26972"
},
{
"name": "CVE-2020-26974",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-26974"
},
{
"name": "CVE-2020-26971",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-26971"
},
{
"name": "CVE-2020-26977",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-26977"
},
{
"name": "CVE-2020-26979",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-26979"
},
{
"name": "CVE-2020-16042",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-16042"
},
{
"name": "CVE-2020-26976",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-26976"
},
{
"name": "CVE-2020-35114",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-35114"
},
{
"name": "CVE-2020-35111",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-35111"
},
{
"name": "CVE-2020-35112",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-35112"
}
],
"initial_release_date": "2020-12-16T00:00:00",
"last_revision_date": "2020-12-16T00:00:00",
"links": [],
"reference": "CERTFR-2020-AVI-826",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2020-12-16T00:00:00.000000"
}
],
"risks": [
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "Ex\u00e9cution de code arbitraire"
},
{
"description": "D\u00e9ni de service"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
},
{
"description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Mozilla Firefox.\nCertaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une\nex\u00e9cution de code arbitraire, un d\u00e9ni de service et un contournement de\nla politique de s\u00e9curit\u00e9.\n",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Mozilla Firefox",
"vendor_advisories": [
{
"published_at": null,
"title": "Bulletin de s\u00e9curit\u00e9 Mozilla mfsa2020-54 du 15 d\u00e9cembre 2020",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-54/"
}
]
}
CVE-2020-26973 (GCVE-0-2020-26973)
Vulnerability from cvelistv5
Published
2021-01-07 13:53
Modified
2024-08-04 16:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CSS Sanitizer performed incorrect sanitization
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 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox |
Version: unspecified < 84 |
||||||||||||
|
||||||||||||||
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CVE-2020-26971 (GCVE-0-2020-26971)
Vulnerability from cvelistv5
Published
2021-01-07 13:54
Modified
2024-08-04 16:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Heap buffer overflow in WebGL
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 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox |
Version: unspecified < 84 |
||||||||||||
|
||||||||||||||
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CVE-2020-35114 (GCVE-0-2020-35114)
Vulnerability from cvelistv5
Published
2021-01-07 13:49
Modified
2024-08-04 16:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Memory safety bugs fixed in Firefox 84
Summary
Mozilla developers reported memory safety bugs present in Firefox 83. 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.
References
| URL | Tags | |
|---|---|---|
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CVE-2020-26975 (GCVE-0-2020-26975)
Vulnerability from cvelistv5
Published
2021-01-07 13:52
Modified
2024-08-04 16:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Malicious applications on Android could have induced Firefox for Android into sending arbitrary attacker-specified headers
Summary
When a malicious application installed on the user's device broadcast an Intent to Firefox for Android, arbitrary headers could have been specified, leading to attacks such as abusing ambient authority or session fixation. This was resolved by only allowing certain safe-listed headers. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 84.
References
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|---|---|---|---|---|---|---|---|---|
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CVE-2020-26977 (GCVE-0-2020-26977)
Vulnerability from cvelistv5
Published
2021-01-07 13:51
Modified
2024-08-04 16:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- URL spoofing via unresponsive port in Firefox for Android
Summary
By attempting to connect a website using an unresponsive port, an attacker could have controlled the content of a tab while the URL bar displayed the original domain. *Note: This issue only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 84.
References
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CVE-2020-26979 (GCVE-0-2020-26979)
Vulnerability from cvelistv5
Published
2021-01-07 13:51
Modified
2024-08-04 16:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- When entering an address in the address or search bars, a website could have redirected the user before they were navigated to the intended url
Summary
When a user typed a URL in the address bar or the search bar and quickly hit the enter key, a website could sometimes capture that event and then redirect the user before navigation occurred to the desired, entered address. To construct a convincing spoof the attacker would have had to guess what the user was typing, perhaps by suggesting it. This vulnerability affects Firefox < 84.
References
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CVE-2020-35112 (GCVE-0-2020-35112)
Vulnerability from cvelistv5
Published
2021-01-07 13:50
Modified
2024-08-04 16:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Opening an extension-less download may have inadvertently launched an executable instead
Summary
If a user downloaded a file lacking an extension on Windows, and then "Open"-ed it from the downloads panel, if there was an executable file in the downloads directory with the same name but with an executable extension (such as .bat or .exe) that executable would have been launched instead. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox |
Version: unspecified < 84 |
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CVE-2020-26978 (GCVE-0-2020-26978)
Vulnerability from cvelistv5
Published
2021-01-07 13:51
Modified
2024-08-04 16:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Internal network hosts could have been probed by a malicious webpage
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 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox |
Version: unspecified < 84 |
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CVE-2020-26976 (GCVE-0-2020-26976)
Vulnerability from cvelistv5
Published
2021-01-07 13:52
Modified
2024-08-04 16:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- HTTPS pages could have been intercepted by a registered service worker when they should not have been
Summary
When a HTTPS pages was embedded in a HTTP page, and there was a service worker registered for the former, the service worker could have intercepted the request for the secure page despite the iframe not being a secure context due to the (insecure) framing. This vulnerability affects Firefox < 84.
References
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CVE-2020-26972 (GCVE-0-2020-26972)
Vulnerability from cvelistv5
Published
2021-01-07 13:53
Modified
2024-08-04 16:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Use-After-Free in WebGL
Summary
The lifecycle of IPC Actors allows managed actors to outlive their manager actors; and the former must ensure that they are not attempting to use a dead actor they have a reference to. Such a check was omitted in WebGL, resulting in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 84.
References
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CVE-2020-35113 (GCVE-0-2020-35113)
Vulnerability from cvelistv5
Published
2021-01-07 13:49
Modified
2024-08-04 16:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6
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 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox |
Version: unspecified < 84 |
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CVE-2020-35111 (GCVE-0-2020-35111)
Vulnerability from cvelistv5
Published
2021-01-07 13:50
Modified
2024-08-04 16:55
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- The proxy.onRequest API did not catch view-source URLs
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
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox |
Version: unspecified < 84 |
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CVE-2020-16042 (GCVE-0-2020-16042)
Vulnerability from cvelistv5
Published
2021-01-08 17:54
Modified
2024-08-04 13:37
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Uninitialized Use
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
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CVE-2020-26974 (GCVE-0-2020-26974)
Vulnerability from cvelistv5
Published
2021-01-07 13:52
Modified
2024-08-04 16:03
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Incorrect cast of StyleGenericFlexBasis resulted in a heap use-after-free
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 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
| Vendor | Product | Version | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox |
Version: unspecified < 84 |
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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.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- 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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