certfr_avis - CERTFR-2021-AVI-349

CERTFR-2021-AVI-349

Vulnerability from certfr_avis - Published: - Updated:

De multiples vulnérabilités ont été découvertes dans Mozilla Firefox. Elles permettent à un attaquant de provoquer une exécution de code arbitraire 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).

None

Impacted products

	Vendor	Product	Description
	Mozilla	Firefox	Mozilla Firefox versions antérieures à 88.0.1
	Mozilla	Firefox	Mozilla Firefox (pour Android) versions antérieures à 88.1.3

References

Title

Publication Time

Tags

Bulletin de sécurité Mozilla mfsa2021-20 du 05 mai 2021	None	vendor-advisory
Bulletin de sécurité Firefox mfsa2021-20 du 05 mai 2021	-	other

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "Mozilla Firefox versions ant\u00e9rieures \u00e0 88.0.1",
      "product": {
        "name": "Firefox",
        "vendor": {
          "name": "Mozilla",
          "scada": false
        }
      }
    },
    {
      "description": "Mozilla Firefox (pour Android) versions ant\u00e9rieures \u00e0 88.1.3",
      "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-2021-29953",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-29953"
    },
    {
      "name": "CVE-2021-29952",
      "url": "https://www.cve.org/CVERecord?id=CVE-2021-29952"
    }
  ],
  "links": [
    {
      "title": "Bulletin de s\u00e9curit\u00e9 Firefox mfsa2021-20 du 05 mai 2021",
      "url": "https://www.mozilla.org/en-US/security/advisories/mfsa2021-20/"
    }
  ],
  "reference": "CERTFR-2021-AVI-349",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2021-05-06T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "Ex\u00e9cution de code arbitraire"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Mozilla Firefox.\nElles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code\narbitraire et un contournement de la 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 mfsa2021-20 du 05 mai 2021",
      "url": null
    }
  ]
}

CVE-2021-29952 (GCVE-0-2021-29952)

Vulnerability from cvelistv5 – Published: 2021-06-24 13:18 – Updated: 2024-08-03 22:18

Summary

When Web Render components were destructed, a race condition could have caused undefined behavior, and we presume that with enough effort may have been exploitable to run arbitrary code. This vulnerability affects Firefox < 88.0.1 and Firefox for Android < 88.1.3.

Severity ?

No CVSS data available.

CWE

Race condition in Web Render Components

Assigner

mozilla

References

URL

Tags

	https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1704227	x_refsource_MISC

Impacted products

Vendor

Product

Version

Mozilla

Firefox

Affected: unspecified , < 88.0.1 (custom)

Mozilla

Firefox for Android

Affected: unspecified , < 88.1.3 (custom)

Show details on NVD website

JSON

To clipboard

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        }
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              "lang": "en",
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

CVE-2021-29953 (GCVE-0-2021-29953)

Vulnerability from cvelistv5 – Published: 2021-06-24 13:17 – Updated: 2024-08-03 22:18

Summary

A malicious webpage could have forced a Firefox for Android user into executing attacker-controlled JavaScript in the context of another domain, resulting in a Universal Cross-Site Scripting vulnerability. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected. Further details are being temporarily withheld to allow users an opportunity to update.*. This vulnerability affects Firefox < 88.0.1 and Firefox for Android < 88.1.3.

Severity ?

No CVSS data available.

CWE

Universal Cross-Site Scripting

Assigner

mozilla

References

URL

Tags

	https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1701684	x_refsource_MISC

Impacted products

Vendor

Product

Version

Mozilla

Firefox

Affected: unspecified , < 88.0.1 (custom)

Mozilla

Firefox for Android

Affected: unspecified , < 88.1.3 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T22:18:03.472Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
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            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2021-20/"
          },
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              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1701684"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
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              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Firefox for Android",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "88.1.3",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A malicious webpage could have forced a Firefox for Android user into executing attacker-controlled JavaScript in the context of another domain, resulting in a Universal Cross-Site Scripting vulnerability. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected. Further details are being temporarily withheld to allow users an opportunity to update.*. This vulnerability affects Firefox \u003c 88.0.1 and Firefox for Android \u003c 88.1.3."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Universal Cross-Site Scripting",
              "lang": "en",
              "type": "text"
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Tags

Taxonomy of the tags.

All sightings related to this event Export sightings related to this event

Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

CERTFR-2021-AVI-349

Solution

CVE-2021-29952 (GCVE-0-2021-29952)

CVE-2021-29953 (GCVE-0-2021-29953)

Tags

Sightings

Nomenclature