cnvd - cnvd-2018-00853

CNVD-2018-00853

Vulnerability from cnvd - Published: 2018-01-12

Title

Tidy prvTidyTidyMetaCharset函数拒绝服务漏洞

Description

Tidy是美国万维网联盟（W3C）的研究员Dave Raggett所开发的一个用于纠正和清理HTML文件的错误及整齐排列代码（即缩排）的软件及函数库。 Tidy的clean.c的prvTidyTidyMetaCharset函数中存在拒绝服务漏洞。攻击者可利用此漏洞造成拒绝服务（分段错误）。

Severity

中

Patch Name

Tidy prvTidyTidyMetaCharset函数拒绝服务漏洞的补丁

Patch Description

Tidy是美国万维网联盟（W3C）的研究员Dave Raggett所开发的一个用于纠正和清理HTML文件的错误及整齐排列代码（即缩排）的软件及函数库。 Tidy的clean.c的prvTidyTidyMetaCharset函数中存在拒绝服务漏洞。攻击者可利用此漏洞造成拒绝服务（分段错误）。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://github.com/htacg/tidy-html5/issues/656

Reference

https://cxsecurity.com/cveshow/CVE-2017-17497/

Impacted products

Name
Tidy Tidy 5.7.0

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-17497",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17497"
    }
  },
  "description": "Tidy\u662f\u7f8e\u56fd\u4e07\u7ef4\u7f51\u8054\u76df\uff08W3C\uff09\u7684\u7814\u7a76\u5458Dave Raggett\u6240\u5f00\u53d1\u7684\u4e00\u4e2a\u7528\u4e8e\u7ea0\u6b63\u548c\u6e05\u7406HTML\u6587\u4ef6\u7684\u9519\u8bef\u53ca\u6574\u9f50\u6392\u5217\u4ee3\u7801\uff08\u5373\u7f29\u6392\uff09\u7684\u8f6f\u4ef6\u53ca\u51fd\u6570\u5e93\u3002\r\n\r\nTidy\u7684clean.c\u7684prvTidyTidyMetaCharset\u51fd\u6570\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u6b64\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5206\u6bb5\u9519\u8bef\uff09\u3002",
  "discovererName": "yngwei",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/htacg/tidy-html5/issues/656",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-00853",
  "openTime": "2018-01-12",
  "patchDescription": "Tidy\u662f\u7f8e\u56fd\u4e07\u7ef4\u7f51\u8054\u76df\uff08W3C\uff09\u7684\u7814\u7a76\u5458Dave Raggett\u6240\u5f00\u53d1\u7684\u4e00\u4e2a\u7528\u4e8e\u7ea0\u6b63\u548c\u6e05\u7406HTML\u6587\u4ef6\u7684\u9519\u8bef\u53ca\u6574\u9f50\u6392\u5217\u4ee3\u7801\uff08\u5373\u7f29\u6392\uff09\u7684\u8f6f\u4ef6\u53ca\u51fd\u6570\u5e93\u3002\r\n\r\nTidy\u7684clean.c\u7684prvTidyTidyMetaCharset\u51fd\u6570\u4e2d\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u6b64\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u5206\u6bb5\u9519\u8bef\uff09\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": "Tidy prvTidyTidyMetaCharset\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Tidy Tidy 5.7.0"
  },
  "referenceLink": "https://cxsecurity.com/cveshow/CVE-2017-17497/",
  "serverity": "\u4e2d",
  "submitTime": "2017-12-11",
  "title": "Tidy prvTidyTidyMetaCharset\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2017-17497 (GCVE-0-2017-17497)

Vulnerability from cvelistv5 – Published: 2017-12-10 22:00 – Updated: 2024-08-05 20:51

Summary

In Tidy 5.7.0, the prvTidyTidyMetaCharset function in clean.c allows attackers to cause a denial of service (Segmentation Fault), because the currentNode variable in the "children of the head" processing feature is modified in the loop without validating the new value.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://github.com/htacg/tidy-html5/issues/656

x_refsource_CONFIRM

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T20:51:31.608Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/htacg/tidy-html5/issues/656"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2017-12-10T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "In Tidy 5.7.0, the prvTidyTidyMetaCharset function in clean.c allows attackers to cause a denial of service (Segmentation Fault), because the currentNode variable in the \"children of the head\" processing feature is modified in the loop without validating the new value."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-12-10T22:57:01",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/htacg/tidy-html5/issues/656"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2017-17497",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In Tidy 5.7.0, the prvTidyTidyMetaCharset function in clean.c allows attackers to cause a denial of service (Segmentation Fault), because the currentNode variable in the \"children of the head\" processing feature is modified in the loop without validating the new value."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/htacg/tidy-html5/issues/656",
              "refsource": "CONFIRM",
              "url": "https://github.com/htacg/tidy-html5/issues/656"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2017-17497",
    "datePublished": "2017-12-10T22:00:00",
    "dateReserved": "2017-12-10T00:00:00",
    "dateUpdated": "2024-08-05T20:51:31.608Z",
    "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-2018-00853

CVE-2017-17497 (GCVE-0-2017-17497)

Tags

Sightings

Nomenclature