cnvd - cnvd-2021-36258

CNVD-2021-36258

Vulnerability from cnvd - Published: 2021-05-21

Title

Mozilla Firefox资源管理错误漏洞（CNVD-2021-36258）

Description

Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 存在资源管理错误漏洞，攻击者可利用该漏洞可以创建一个特别制作的web页面，诱骗受害者访问该页面，并在系统上执行任意代码。

Severity

高

Patch Name

Mozilla Firefox资源管理错误漏洞（CNVD-2021-36258）的补丁

Patch Description

Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox 存在资源管理错误漏洞，攻击者可利用该漏洞可以创建一个特别制作的web页面，诱骗受害者访问该页面，并在系统上执行任意代码。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://www.mozilla.org/en-US/security/advisories/mfsa2021-16/

Reference

https://exchange.xforce.ibmcloud.com/vulnerabilities/200189

Impacted products

Name
['mozilla Mozilla Firefox 80.0', 'mozilla Mozilla Firefox 80.0.1', 'mozilla Mozilla Firefox 81.0', 'mozilla Mozilla Firefox 81.0.1', 'mozilla Mozilla Firefox 81.0.2', 'mozilla Mozilla Firefox 82.0', 'mozilla Mozilla Firefox 82.0.1', 'mozilla Mozilla Firefox 82.0.2', 'mozilla Mozilla Firefox 82.0.3', 'mozilla Mozilla Firefox 83.0', 'mozilla Mozilla Firefox 84.0', 'mozilla Mozilla Firefox 84.0.1', 'mozilla Mozilla Firefox 84.0.2', 'mozilla Mozilla Firefox 85.0', 'mozilla Mozilla Firefox 85.0.1', 'mozilla Mozilla Firefox 85.0.2', 'mozilla Mozilla Firefox 86.0', 'mozilla Mozilla Firefox 86.0.1', 'mozilla Mozilla Firefox 87.0']

Name

['mozilla Mozilla Firefox 80.0', 'mozilla Mozilla Firefox 80.0.1', 'mozilla Mozilla Firefox 81.0', 'mozilla Mozilla Firefox 81.0.1', 'mozilla Mozilla Firefox 81.0.2', 'mozilla Mozilla Firefox 82.0', 'mozilla Mozilla Firefox 82.0.1', 'mozilla Mozilla Firefox 82.0.2', 'mozilla Mozilla Firefox 82.0.3', 'mozilla Mozilla Firefox 83.0', 'mozilla Mozilla Firefox 84.0', 'mozilla Mozilla Firefox 84.0.1', 'mozilla Mozilla Firefox 84.0.2', 'mozilla Mozilla Firefox 85.0', 'mozilla Mozilla Firefox 85.0.1', 'mozilla Mozilla Firefox 85.0.2', 'mozilla Mozilla Firefox 86.0', 'mozilla Mozilla Firefox 86.0.1', 'mozilla Mozilla Firefox 87.0']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-23997"
    }
  },
  "description": "Mozilla Firefox\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u5f00\u6e90Web\u6d4f\u89c8\u5668\u3002\n\nMozilla Firefox \u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u7279\u522b\u5236\u4f5c\u7684web\u9875\u9762\uff0c\u8bf1\u9a97\u53d7\u5bb3\u8005\u8bbf\u95ee\u8be5\u9875\u9762\uff0c\u5e76\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2021-16/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-36258",
  "openTime": "2021-05-21",
  "patchDescription": "Mozilla Firefox\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u5f00\u6e90Web\u6d4f\u89c8\u5668\u3002\r\n\r\nMozilla Firefox \u5b58\u5728\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u7279\u522b\u5236\u4f5c\u7684web\u9875\u9762\uff0c\u8bf1\u9a97\u53d7\u5bb3\u8005\u8bbf\u95ee\u8be5\u9875\u9762\uff0c\u5e76\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Mozilla Firefox\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2021-36258\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "mozilla Mozilla Firefox 80.0",
      "mozilla Mozilla Firefox 80.0.1",
      "mozilla Mozilla Firefox 81.0",
      "mozilla Mozilla Firefox 81.0.1",
      "mozilla Mozilla Firefox 81.0.2",
      "mozilla Mozilla Firefox 82.0",
      "mozilla Mozilla Firefox 82.0.1",
      "mozilla Mozilla Firefox 82.0.2",
      "mozilla Mozilla Firefox 82.0.3",
      "mozilla Mozilla Firefox 83.0",
      "mozilla Mozilla Firefox 84.0",
      "mozilla Mozilla Firefox 84.0.1",
      "mozilla Mozilla Firefox 84.0.2",
      "mozilla Mozilla Firefox 85.0",
      "mozilla Mozilla Firefox 85.0.1",
      "mozilla Mozilla Firefox 85.0.2",
      "mozilla Mozilla Firefox 86.0",
      "mozilla Mozilla Firefox 86.0.1",
      "mozilla Mozilla Firefox 87.0"
    ]
  },
  "referenceLink": "https://exchange.xforce.ibmcloud.com/vulnerabilities/200189",
  "serverity": "\u9ad8",
  "submitTime": "2021-04-21",
  "title": "Mozilla Firefox\u8d44\u6e90\u7ba1\u7406\u9519\u8bef\u6f0f\u6d1e\uff08CNVD-2021-36258\uff09"
}

CVE-2021-23997 (GCVE-0-2021-23997)

Vulnerability from cvelistv5 – Published: 2021-06-24 13:25 – Updated: 2024-08-03 19:14

Summary

Due to unexpected data type conversions, a use-after-free could have occurred when interacting with the font cache. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox < 88.

Severity ?

No CVSS data available.

CWE

Use-after-free when freeing fonts from cache

Assigner

mozilla

References

URL

Tags

	https://www.mozilla.org/security/advisories/mfsa2…	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1701942	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Mozilla	Firefox	Affected: unspecified , < 88 (custom)

Show details on NVD website

JSON

To clipboard

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  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T19:14:10.062Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2021-16/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1701942"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "88",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Due to unexpected data type conversions, a use-after-free could have occurred when interacting with the font cache. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox \u003c 88."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Use-after-free when freeing fonts from cache",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-06-24T13:25:34",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
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          ],
          "url": "https://www.mozilla.org/security/advisories/mfsa2021-16/"
        },
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1701942"
        }
      ],
      "x_legacyV4Record": {
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          "ASSIGNER": "security@mozilla.org",
          "ID": "CVE-2021-23997",
          "STATE": "PUBLIC"
        },
        "affects": {
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            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Firefox",
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                          }
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Use-after-free when freeing fonts from cache"
                }
              ]
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            },
            {
              "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1701942",
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  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
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    "dateReserved": "2021-01-13T00:00:00",
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    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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

CNVD-2021-36258

CVE-2021-23997 (GCVE-0-2021-23997)

Tags

Sightings

Nomenclature