Vulnerability-Lookup

CNVD-2023-59956

Vulnerability from cnvd - Published: 2023-08-01

Title

Mozilla Firefox信息泄露漏洞（CNVD-2023-59956）

Description

Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox存在信息泄露漏洞，该漏洞源于浏览器在从已知的资源中加载CSS变量时表现不同，攻击者可利用该漏洞监视浏览器的行为，从而猜测哪些网站曾被访问过，并存储在浏览器历史记录中。

Severity

高

Patch Name

Mozilla Firefox信息泄露漏洞（CNVD-2023-59956）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存在信息泄露漏洞，该漏洞源于浏览器在从已知的资源中加载CSS变量时表现不同，攻击者可利用该漏洞监视浏览器的行为，从而猜测哪些网站曾被访问过，并存储在浏览器历史记录中。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/mfsa2022-16/

Reference

https://www.cybersecurity-help.cz/vdb/SB2022050429

Impacted products

Name
['Mozilla Thunderbird <91.9', 'Mozilla Firefox <100.0', 'Mozilla Firefox ESR <91.9']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2022-29916",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2022-29916"
    }
  },
  "description": "Mozilla Firefox\u662f\u7f8e\u56fdMozilla\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u5f00\u6e90Web\u6d4f\u89c8\u5668\u3002\n\nMozilla Firefox\u5b58\u5728\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6d4f\u89c8\u5668\u5728\u4ece\u5df2\u77e5\u7684\u8d44\u6e90\u4e2d\u52a0\u8f7dCSS\u53d8\u91cf\u65f6\u8868\u73b0\u4e0d\u540c\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u76d1\u89c6\u6d4f\u89c8\u5668\u7684\u884c\u4e3a\uff0c\u4ece\u800c\u731c\u6d4b\u54ea\u4e9b\u7f51\u7ad9\u66fe\u88ab\u8bbf\u95ee\u8fc7\uff0c\u5e76\u5b58\u50a8\u5728\u6d4f\u89c8\u5668\u5386\u53f2\u8bb0\u5f55\u4e2d\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/mfsa2022-16/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2023-59956",
  "openTime": "2023-08-01",
  "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\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6d4f\u89c8\u5668\u5728\u4ece\u5df2\u77e5\u7684\u8d44\u6e90\u4e2d\u52a0\u8f7dCSS\u53d8\u91cf\u65f6\u8868\u73b0\u4e0d\u540c\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u76d1\u89c6\u6d4f\u89c8\u5668\u7684\u884c\u4e3a\uff0c\u4ece\u800c\u731c\u6d4b\u54ea\u4e9b\u7f51\u7ad9\u66fe\u88ab\u8bbf\u95ee\u8fc7\uff0c\u5e76\u5b58\u50a8\u5728\u6d4f\u89c8\u5668\u5386\u53f2\u8bb0\u5f55\u4e2d\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-2023-59956\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Mozilla Thunderbird \u003c91.9",
      "Mozilla Firefox \u003c100.0",
      "Mozilla Firefox ESR \u003c91.9"
    ]
  },
  "referenceLink": "https://www.cybersecurity-help.cz/vdb/SB2022050429",
  "serverity": "\u9ad8",
  "submitTime": "2022-05-08",
  "title": "Mozilla Firefox\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\uff08CNVD-2023-59956\uff09"
}

CVE-2022-29916 (GCVE-0-2022-29916)

Vulnerability from cvelistv5 – Published: 2022-12-22 00:00 – Updated: 2025-04-15 15:08

Summary

Firefox behaved slightly differently for already known resources when loading CSS resources involving CSS variables. This could have been used to probe the browser history. This vulnerability affects Thunderbird < 91.9, Firefox ESR < 91.9, and Firefox < 100.

Severity

6.5 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-15 15:07 UTC

CWE

Leaking browser history with CSS variables
CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor

Assigner

mozilla mitre root

References

4 references

URL	Tags
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://www.mozilla.org/security/advisories/mfsa2…
https://bugzilla.mozilla.org/show_bug.cgi?id=1760674

Impacted products

3 products

Vendor	Product	Version
Mozilla	Thunderbird	Affected: unspecified , < 91.9 (custom)
Mozilla	Firefox ESR	Affected: unspecified , < 91.9 (custom)
Mozilla	Firefox	Affected: unspecified , < 100 (custom)

Show details on NVD website

JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T06:33:43.182Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2022-16/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2022-18/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://www.mozilla.org/security/advisories/mfsa2022-17/"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1760674"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "REQUIRED",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2022-29916",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-15T15:07:07.405962Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-200",
                "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-15T15:08:08.311Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Thunderbird",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "91.9",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Firefox ESR",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "91.9",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        },
        {
          "product": "Firefox",
          "vendor": "Mozilla",
          "versions": [
            {
              "lessThan": "100",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Firefox behaved slightly differently for already known resources when loading CSS resources involving CSS variables. This could have been used to probe the browser history. This vulnerability affects Thunderbird \u003c 91.9, Firefox ESR \u003c 91.9, and Firefox \u003c 100."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Leaking browser history with CSS variables",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-12-22T00:00:00.000Z",
        "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "shortName": "mozilla"
      },
      "references": [
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2022-16/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2022-18/"
        },
        {
          "url": "https://www.mozilla.org/security/advisories/mfsa2022-17/"
        },
        {
          "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1760674"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
    "assignerShortName": "mozilla",
    "cveId": "CVE-2022-29916",
    "datePublished": "2022-12-22T00:00:00.000Z",
    "dateReserved": "2022-04-29T00:00:00.000Z",
    "dateUpdated": "2025-04-15T15:08:08.311Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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CNVD-2023-59956

CVE-2022-29916 (GCVE-0-2022-29916)

Tags

Sightings

Nomenclature

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