csaf_redhat - rhsa-2021

rhsa-2021_0656

Vulnerability from csaf_redhat

Published

2021-02-24 15:51

Modified

2024-11-05 23:18

Summary

Red Hat Security Advisory: firefox security update

Notes

Topic

An update for firefox is now available for Red Hat Enterprise Linux 7. 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 78.8.0 ESR. Security Fix(es): * Mozilla: Content Security Policy violation report could have contained the destination of a redirect (CVE-2021-23968) * Mozilla: Content Security Policy violation report could have contained the destination of a redirect (CVE-2021-23969) * Mozilla: Memory safety bugs fixed in Firefox 86 and Firefox ESR 78.8 (CVE-2021-23978) * Mozilla: MediaError message property could have leaked information about cross-origin resources (CVE-2021-23973) 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.

JSON

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        "text": "An update for firefox is now available for Red Hat Enterprise Linux 7.\n\nRed 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.",
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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 78.8.0 ESR.\n\nSecurity Fix(es):\n\n* Mozilla: Content Security Policy violation report could have contained the destination of a redirect (CVE-2021-23968)\n\n* Mozilla: Content Security Policy violation report could have contained the destination of a redirect (CVE-2021-23969)\n\n* Mozilla: Memory safety bugs fixed in Firefox 86 and Firefox ESR 78.8 (CVE-2021-23978)\n\n* Mozilla: MediaError message property could have leaked information about cross-origin resources (CVE-2021-23973)\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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          "title": "Vulnerability description"
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          "text": "Mozilla: Content Security Policy violation report could have contained the destination of a redirect",
          "title": "Vulnerability summary"
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        {
          "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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          "summary": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-08/#CVE-2021-23968",
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      "title": "Mozilla: Content Security Policy violation report could have contained the destination of a redirect"
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          "names": [
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          "text": "As specified in the W3C Content Security Policy draft, when creating a violation report, \"User agents need to ensure that the source file is the URL requested by the page, pre-redirects. If that\u2019s not possible, user agents need to strip the URL down to an origin to avoid unintentional leakage.\" Under certain types of redirects, Firefox incorrectly set the source file to be the destination of the redirects. This was fixed to be the redirect destination\u0027s origin. This vulnerability affects Firefox \u003c 86, Thunderbird \u003c 78.8, and Firefox ESR \u003c 78.8.",
          "title": "Vulnerability description"
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        {
          "category": "summary",
          "text": "Mozilla: Content Security Policy violation report could have contained the destination of a redirect",
          "title": "Vulnerability summary"
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          "title": "Vulnerability description"
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          "text": "Mozilla: MediaError message property could have leaked information about cross-origin resources",
          "title": "Vulnerability summary"
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          "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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        "name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
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          "title": "Vulnerability description"
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          "text": "Mozilla: Memory safety bugs fixed in Firefox 86 and Firefox ESR 78.8",
          "title": "Vulnerability summary"
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        {
          "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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        {
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      ],
      "title": "Mozilla: Memory safety bugs fixed in Firefox 86 and Firefox ESR 78.8"
    }
  ]
}

cve-2021-23978

Vulnerability from cvelistv5

Published

2021-02-26 15:28

Modified

2024-08-03 19:14

Severity ?

Summary

Mozilla developers reported memory safety bugs present in Firefox 85 and Firefox ESR 78.7. 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 < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.

References

▼	URL	Tags
	https://www.mozilla.org/security/advisories/mfsa2021-07/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2021-09/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2021-08/	x_refsource_MISC
	https://bugzilla.mozilla.org/buglist.cgi?bug_id=786797%2C1682928%2C1687391%2C1687597	x_refsource_MISC
	https://lists.debian.org/debian-lts-announce/2021/03/msg00000.html	mailing-list, x_refsource_MLIST
	https://www.debian.org/security/2021/dsa-4866	vendor-advisory, x_refsource_DEBIAN
	https://security.gentoo.org/glsa/202104-10	vendor-advisory, x_refsource_GENTOO
	https://security.gentoo.org/glsa/202104-09	vendor-advisory, x_refsource_GENTOO

Impacted products

▼	Vendor	Product
	Mozilla	Firefox
	Mozilla	Thunderbird
	Mozilla	Firefox ESR

Show details on NVD website

JSON

To clipboard

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cve-2021-23973

Vulnerability from cvelistv5

Published

2021-02-26 01:53

Modified

2024-08-03 19:14

Severity ?

Summary

When trying to load a cross-origin resource in an audio/video context a decoding error may have resulted, and the content of that error may have revealed information about the resource. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.

References

▼	URL	Tags
	https://www.mozilla.org/security/advisories/mfsa2021-07/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2021-09/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2021-08/	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1690976	x_refsource_MISC
	https://lists.debian.org/debian-lts-announce/2021/03/msg00000.html	mailing-list, x_refsource_MLIST
	https://www.debian.org/security/2021/dsa-4866	vendor-advisory, x_refsource_DEBIAN
	https://security.gentoo.org/glsa/202104-10	vendor-advisory, x_refsource_GENTOO
	https://security.gentoo.org/glsa/202104-09	vendor-advisory, x_refsource_GENTOO

Impacted products

▼	Vendor	Product
	Mozilla	Firefox
	Mozilla	Thunderbird
	Mozilla	Firefox ESR

Show details on NVD website

JSON

To clipboard

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cve-2021-23969

Vulnerability from cvelistv5

Published

2021-02-26 01:57

Modified

2024-08-03 19:14

Severity ?

Summary

As specified in the W3C Content Security Policy draft, when creating a violation report, "User agents need to ensure that the source file is the URL requested by the page, pre-redirects. If that’s not possible, user agents need to strip the URL down to an origin to avoid unintentional leakage." Under certain types of redirects, Firefox incorrectly set the source file to be the destination of the redirects. This was fixed to be the redirect destination's origin. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.

References

▼	URL	Tags
	https://www.mozilla.org/security/advisories/mfsa2021-07/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2021-09/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2021-08/	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1542194	x_refsource_MISC
	https://lists.debian.org/debian-lts-announce/2021/03/msg00000.html	mailing-list, x_refsource_MLIST
	https://www.debian.org/security/2021/dsa-4866	vendor-advisory, x_refsource_DEBIAN
	https://security.gentoo.org/glsa/202104-10	vendor-advisory, x_refsource_GENTOO
	https://security.gentoo.org/glsa/202104-09	vendor-advisory, x_refsource_GENTOO

Impacted products

▼	Vendor	Product
	Mozilla	Firefox
	Mozilla	Thunderbird
	Mozilla	Firefox ESR

Show details on NVD website

JSON

To clipboard

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cve-2021-23968

Vulnerability from cvelistv5

Published

2021-02-26 01:59

Modified

2024-08-03 19:14

Severity ?

Summary

If Content Security Policy blocked frame navigation, the full destination of a redirect served in the frame was reported in the violation report; as opposed to the original frame URI. This could be used to leak sensitive information contained in such URIs. This vulnerability affects Firefox < 86, Thunderbird < 78.8, and Firefox ESR < 78.8.

References

▼	URL	Tags
	https://www.mozilla.org/security/advisories/mfsa2021-07/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2021-09/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2021-08/	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1687342	x_refsource_MISC
	https://lists.debian.org/debian-lts-announce/2021/03/msg00000.html	mailing-list, x_refsource_MLIST
	https://www.debian.org/security/2021/dsa-4866	vendor-advisory, x_refsource_DEBIAN
	https://security.gentoo.org/glsa/202104-10	vendor-advisory, x_refsource_GENTOO
	https://security.gentoo.org/glsa/202104-09	vendor-advisory, x_refsource_GENTOO

Impacted products

▼	Vendor	Product
	Mozilla	Firefox
	Mozilla	Thunderbird
	Mozilla	Firefox ESR

Show details on NVD website

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To clipboard

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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.

Action not permitted

rhsa-2021_0656

Vulnerability from csaf_redhat

cve-2021-23978

Vulnerability from cvelistv5

cve-2021-23973

Vulnerability from cvelistv5

cve-2021-23969

Vulnerability from cvelistv5

cve-2021-23968

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature