Vulnerability-Lookup

CNVD-2021-102421

Vulnerability from cnvd - Published: 2021-12-24

Title

Michael R Sweet HTMLDOC缓冲区溢出漏洞

Description

HTMLDOC是一个HTML文件格式转换编辑器，可读取HTML和Markdown源文件或网页，并生成带有可选目录的相应EPUB、HTML、PostScript或PDF文件。 HTMLDOC 1.9.12之前版本中的image_load_bmp存在缓冲区溢出漏洞。攻击者可通过特制BMP图像利用该漏洞导致拒绝服务。

Severity

中

Patch Name

Michael R Sweet HTMLDOC缓冲区溢出漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/michaelrsweet/htmldoc/commit/f12b9666e582a8e7b70f11b28e5ffc49ad625d43

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-40985

Impacted products

Name
Michael R Sweet HTMLDOC <1.9.12

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-40985",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-40985"
    }
  },
  "description": "HTMLDOC\u662f\u4e00\u4e2aHTML\u6587\u4ef6\u683c\u5f0f\u8f6c\u6362\u7f16\u8f91\u5668\uff0c\u53ef\u8bfb\u53d6HTML\u548cMarkdown\u6e90\u6587\u4ef6\u6216\u7f51\u9875\uff0c\u5e76\u751f\u6210\u5e26\u6709\u53ef\u9009\u76ee\u5f55\u7684\u76f8\u5e94EPUB\u3001HTML\u3001PostScript\u6216PDF\u6587\u4ef6\u3002\n\nHTMLDOC 1.9.12\u4e4b\u524d\u7248\u672c\u4e2d\u7684image_load_bmp\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236BMP\u56fe\u50cf\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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://github.com/michaelrsweet/htmldoc/commit/f12b9666e582a8e7b70f11b28e5ffc49ad625d43",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-102421",
  "openTime": "2021-12-24",
  "patchDescription": "HTMLDOC\u662f\u4e00\u4e2aHTML\u6587\u4ef6\u683c\u5f0f\u8f6c\u6362\u7f16\u8f91\u5668\uff0c\u53ef\u8bfb\u53d6HTML\u548cMarkdown\u6e90\u6587\u4ef6\u6216\u7f51\u9875\uff0c\u5e76\u751f\u6210\u5e26\u6709\u53ef\u9009\u76ee\u5f55\u7684\u76f8\u5e94EPUB\u3001HTML\u3001PostScript\u6216PDF\u6587\u4ef6\u3002\r\n\r\nHTMLDOC 1.9.12\u4e4b\u524d\u7248\u672c\u4e2d\u7684image_load_bmp\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236BMP\u56fe\u50cf\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\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": "Michael R Sweet HTMLDOC\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Michael R Sweet HTMLDOC \u003c1.9.12"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-40985",
  "serverity": "\u4e2d",
  "submitTime": "2021-11-04",
  "title": "Michael R Sweet HTMLDOC\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2021-40985 (GCVE-0-2021-40985)

Vulnerability from cvelistv5 – Published: 2021-11-03 16:08 – Updated: 2024-08-04 02:59

Summary

A stack-based buffer under-read in htmldoc before 1.9.12, allows attackers to cause a denial of service via a crafted BMP image to image_load_bmp.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

3 references

URL	Tags
https://github.com/michaelrsweet/htmldoc/commit/f…	x_refsource_MISC
https://github.com/michaelrsweet/htmldoc/issues/444	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2022…	mailing-listx_refsource_MLIST

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T02:59:31.003Z",
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            "tags": [
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            ],
            "url": "https://github.com/michaelrsweet/htmldoc/commit/f12b9666e582a8e7b70f11b28e5ffc49ad625d43"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/michaelrsweet/htmldoc/issues/444"
          },
          {
            "name": "[debian-lts-announce] 20220226 [SECURITY] [DLA 2928-1] htmldoc security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00022.html"
          }
        ],
        "title": "CVE Program Container"
      }
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      "descriptions": [
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          "lang": "en",
          "value": "A stack-based buffer under-read in htmldoc before 1.9.12, allows attackers to cause a denial of service via a crafted BMP image to image_load_bmp."
        }
      ],
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              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-02-27T20:17:09.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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      },
      "references": [
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          "tags": [
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          ],
          "url": "https://github.com/michaelrsweet/htmldoc/commit/f12b9666e582a8e7b70f11b28e5ffc49ad625d43"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/michaelrsweet/htmldoc/issues/444"
        },
        {
          "name": "[debian-lts-announce] 20220226 [SECURITY] [DLA 2928-1] htmldoc security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2022/02/msg00022.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-40985",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
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              {
                "product": {
                  "product_data": [
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                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
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                      }
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            },
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              "url": "https://github.com/michaelrsweet/htmldoc/issues/444"
            },
            {
              "name": "[debian-lts-announce] 20220226 [SECURITY] [DLA 2928-1] htmldoc security update",
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  },
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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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Action not permitted

CNVD-2021-102421

CVE-2021-40985 (GCVE-0-2021-40985)

Tags

Sightings

Nomenclature

Related by attack behaviour