rhsa-2020_2036
Vulnerability from csaf_redhat
Published
2020-05-06 10:53
Modified
2024-11-15 09:33
Summary
Red Hat Security Advisory: firefox security update
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 Critical. 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 68.8.0 ESR.
Security Fix(es):
* Mozilla: Use-after-free during worker shutdown (CVE-2020-12387)
* Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8 (CVE-2020-12395)
* Mozilla: Buffer overflow in SCTP chunk input validation (CVE-2020-6831)
* Mozilla: Arbitrary local file access with 'Copy as cURL' (CVE-2020-12392)
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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"text": "Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.\n\nThis update upgrades Firefox to version 68.8.0 ESR.\n\nSecurity Fix(es):\n\n* Mozilla: Use-after-free during worker shutdown (CVE-2020-12387)\n\n* Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8 (CVE-2020-12395)\n\n* Mozilla: Buffer overflow in SCTP chunk input validation (CVE-2020-6831)\n\n* Mozilla: Arbitrary local file access with \u0027Copy as cURL\u0027 (CVE-2020-12392)\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.",
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"text": "A flaw was found in Mozilla Firefox and Thunderbird. When parsing and validating SCTP chunks in WebRTC a memory buffer overflow could occur leading to memory corruption and an exploitable crash. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
"title": "Vulnerability description"
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{
"category": "summary",
"text": "usrsctp: Buffer overflow in AUTH chunk input validation",
"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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{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2020-6831"
},
{
"category": "external",
"summary": "RHBZ#1831763",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1831763"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2020-6831",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-6831"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-6831",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-6831"
},
{
"category": "external",
"summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-17/#CVE-2020-6831",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-17/#CVE-2020-6831"
}
],
"release_date": "2020-05-05T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2020-05-06T10:53:36+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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"threats": [
{
"category": "impact",
"details": "Important"
}
],
"title": "usrsctp: Buffer overflow in AUTH chunk input validation"
},
{
"acknowledgments": [
{
"names": [
"the Mozilla project"
]
},
{
"names": [
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],
"summary": "Acknowledged by upstream."
}
],
"cve": "CVE-2020-12387",
"cwe": {
"id": "CWE-416",
"name": "Use After Free"
},
"discovery_date": "2020-05-05T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1831761"
}
],
"notes": [
{
"category": "description",
"text": "A flaw was found in Mozilla Firefox and Thunderbird. When running shutdown code for Web Worker, a race condition occurs leading to a use-after-free memory flaw that could lead to an exploitable crash. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Mozilla: Use-after-free during worker shutdown",
"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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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2020-12387"
},
{
"category": "external",
"summary": "RHBZ#1831761",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1831761"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2020-12387",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-12387"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-12387",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-12387"
},
{
"category": "external",
"summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-17/#CVE-2020-12387",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-17/#CVE-2020-12387"
}
],
"release_date": "2020-05-05T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2020-05-06T10:53:36+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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"threats": [
{
"category": "impact",
"details": "Critical"
}
],
"title": "Mozilla: Use-after-free during worker shutdown"
},
{
"acknowledgments": [
{
"names": [
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]
},
{
"names": [
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],
"summary": "Acknowledged by upstream."
}
],
"cve": "CVE-2020-12392",
"cwe": {
"id": "CWE-552",
"name": "Files or Directories Accessible to External Parties"
},
"discovery_date": "2020-05-05T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1831764"
}
],
"notes": [
{
"category": "description",
"text": "The Mozilla Foundation Security Advisory describes this flaw as:\r\n\r\nThe \u0027Copy as cURL\u0027 feature of Devtools\u0027 network tab did not properly escape the HTTP POST data of a request, which can be controlled by the website. If a user used the \u0027Copy as cURL\u0027 feature and pasted the command into a terminal, it could have resulted in the disclosure of local files.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Mozilla: Arbitrary local file access with \u0027Copy as cURL\u0027",
"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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{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2020-12392"
},
{
"category": "external",
"summary": "RHBZ#1831764",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1831764"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2020-12392",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-12392"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-12392",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-12392"
},
{
"category": "external",
"summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-17/#CVE-2020-12392",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-17/#CVE-2020-12392"
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"release_date": "2020-05-05T00:00:00+00:00",
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{
"category": "vendor_fix",
"date": "2020-05-06T10:53:36+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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{
"category": "impact",
"details": "Moderate"
}
],
"title": "Mozilla: Arbitrary local file access with \u0027Copy as cURL\u0027"
},
{
"acknowledgments": [
{
"names": [
"the Mozilla project"
]
},
{
"names": [
"Alexandru Michis",
"Andr\u00e9 Bargull",
"Bas Schouten",
"Jason Kratzer",
"Karl Tomlinson",
"Ted Campbell",
"philipp"
],
"summary": "Acknowledged by upstream."
}
],
"cve": "CVE-2020-12395",
"cwe": {
"id": "CWE-120",
"name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
},
"discovery_date": "2020-05-05T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "1831765"
}
],
"notes": [
{
"category": "description",
"text": "Memory safety flaws were found in Mozilla Firefox and Thunderbird. Memory corruption that an attacker could leverage with enough effort, could allow arbitrary code to run. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8",
"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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"references": [
{
"category": "self",
"summary": "Canonical URL",
"url": "https://access.redhat.com/security/cve/CVE-2020-12395"
},
{
"category": "external",
"summary": "RHBZ#1831765",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1831765"
},
{
"category": "external",
"summary": "https://www.cve.org/CVERecord?id=CVE-2020-12395",
"url": "https://www.cve.org/CVERecord?id=CVE-2020-12395"
},
{
"category": "external",
"summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-12395",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2020-12395"
},
{
"category": "external",
"summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-17/#CVE-2020-12395",
"url": "https://www.mozilla.org/en-US/security/advisories/mfsa2020-17/#CVE-2020-12395"
}
],
"release_date": "2020-05-05T00:00:00+00:00",
"remediations": [
{
"category": "vendor_fix",
"date": "2020-05-06T10:53:36+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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{
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"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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],
"threats": [
{
"category": "impact",
"details": "Critical"
}
],
"title": "Mozilla: Memory safety bugs fixed in Firefox 76 and Firefox ESR 68.8"
}
]
}
Loading...
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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.