cnvd - cnvd-2021-15498

cnvd-2021-15498

Vulnerability from cnvd

Title: Mozilla Firefox信息泄露漏洞（CNVD-2021-15498）

Description:

Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。

Mozilla Firefox中存在信息泄露漏洞。该漏洞源于如果用户单击特制的PDF，则在将PDF阅读器用作分块数据时，它可能会混淆泄漏跨域信息。攻击者可以利用该漏洞获取跨域信息。

Severity: 中

Patch Name: Mozilla Firefox信息泄露漏洞（CNVD-2021-15498）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中存在信息泄露漏洞。该漏洞源于如果用户单击特制的PDF，则在将PDF阅读器用作分块数据时，它可能会混淆泄漏跨域信息。攻击者可以利用该漏洞获取跨域信息。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:

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://www.mozilla.org/en-US/security/advisories/mfsa2021-03

Reference: https://nvd.nist.gov/vuln/detail/CVE-2021-23953

Impacted products

Name
['mozilla Mozilla Firefox <85', 'Mozilla Thunderbird <78.7', 'Mozilla Firefox ESR <78.7']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-23953",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-23953"
    }
  },
  "description": "Mozilla Firefox\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u5f00\u6e90Web\u6d4f\u89c8\u5668\u3002\n\nMozilla Firefox\u4e2d\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5982\u679c\u7528\u6237\u5355\u51fb\u7279\u5236\u7684PDF\uff0c\u5219\u5728\u5c06PDF\u9605\u8bfb\u5668\u7528\u4f5c\u5206\u5757\u6570\u636e\u65f6\uff0c\u5b83\u53ef\u80fd\u4f1a\u6df7\u6dc6\u6cc4\u6f0f\u8de8\u57df\u4fe1\u606f\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u8de8\u57df\u4fe1\u606f\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://www.mozilla.org/en-US/security/advisories/mfsa2021-03",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-15498",
  "openTime": "2021-03-09",
  "patchDescription": "Mozilla Firefox\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u5f00\u6e90Web\u6d4f\u89c8\u5668\u3002\r\n\r\nMozilla Firefox\u4e2d\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u5982\u679c\u7528\u6237\u5355\u51fb\u7279\u5236\u7684PDF\uff0c\u5219\u5728\u5c06PDF\u9605\u8bfb\u5668\u7528\u4f5c\u5206\u5757\u6570\u636e\u65f6\uff0c\u5b83\u53ef\u80fd\u4f1a\u6df7\u6dc6\u6cc4\u6f0f\u8de8\u57df\u4fe1\u606f\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u8de8\u57df\u4fe1\u606f\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\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2021-15498\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "mozilla Mozilla Firefox \u003c85",
      "Mozilla Thunderbird \u003c78.7",
      "Mozilla Firefox ESR \u003c78.7"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-23953",
  "serverity": "\u4e2d",
  "submitTime": "2021-02-22",
  "title": "Mozilla Firefox\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2021-15498\uff09"
}

CVE-2021-23953 (GCVE-0-2021-23953)

Vulnerability from cvelistv5

Published

2021-02-26 02:11

Modified

2024-08-03 19:14

Severity ?

CWE

Cross-origin information leakage via redirected PDF requests

Summary

If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.

References

▼	URL	Tags
	https://www.mozilla.org/security/advisories/mfsa2021-03/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2021-04/	x_refsource_MISC
	https://www.mozilla.org/security/advisories/mfsa2021-05/	x_refsource_MISC
	https://bugzilla.mozilla.org/show_bug.cgi?id=1683940	x_refsource_MISC

Impacted products

Vendor

Product

Version

▼

Mozilla

Firefox

Version: < 85

	Mozilla	Thunderbird	Version: < 78.7
	Mozilla	Firefox ESR	Version: < 78.7

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T19:14:09.723Z",
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              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2021-03/"
          },
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              "x_refsource_MISC",
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          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2021-05/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1683940"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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            }
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          "vendor": "Mozilla",
          "versions": [
            {
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            }
          ]
        },
        {
          "product": "Firefox ESR",
          "vendor": "Mozilla",
          "versions": [
            {
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              "version": "\u003c 78.7"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
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        }
      ],
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      "references": [
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          ],
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          ],
          "url": "https://www.mozilla.org/security/advisories/mfsa2021-05/"
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          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1683940"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@mozilla.org",
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          "STATE": "PUBLIC"
        },
        "affects": {
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                      }
                    },
                    {
                      "product_name": "Firefox ESR",
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            }
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            },
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    "datePublished": "2021-02-26T02:11:08",
    "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 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.

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