Vulnerability-Lookup

CNVD-2021-27373

Vulnerability from cnvd - Published: 2021-04-12

Title

HTMLDOC整数溢出漏洞

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 1.9.11及更早版本存在整数溢出漏洞。攻击者可利用该漏洞执行任意代码及导致拒绝服务。

Severity

高

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新：https://bugzilla.redhat.com/show_bug.cgi?id=1946289

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-20308

Impacted products

Name
HTMLDOC HTMLDOC <=1.9.11

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-20308",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-20308"
    }
  },
  "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 1.9.11\u53ca\u66f4\u65e9\u7248\u672c\u5b58\u5728\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u4efb\u610f\u4ee3\u7801\u53ca\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1ahttps://bugzilla.redhat.com/show_bug.cgi?id=1946289",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-27373",
  "openTime": "2021-04-12",
  "products": {
    "product": "HTMLDOC HTMLDOC \u003c=1.9.11"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-20308",
  "serverity": "\u9ad8",
  "submitTime": "2021-04-06",
  "title": "HTMLDOC\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2021-20308 (GCVE-0-2021-20308)

Vulnerability from cvelistv5 – Published: 2021-04-05 21:32 – Updated: 2024-08-03 17:37

Summary

Integer overflow in the htmldoc 1.9.11 and before may allow attackers to execute arbitrary code and cause a denial of service that is similar to CVE-2017-9181.

Severity

No CVSS data available.

CWE

CWE-190

Assigner

redhat redhat root

References

3 references

URL	Tags
https://github.com/michaelrsweet/htmldoc/issues/423	x_refsource_MISC
https://bugzilla.redhat.com/show_bug.cgi?id=1946289	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2021…	mailing-listx_refsource_MLIST

Impacted products

1 product

Vendor	Product	Version
n/a	htmldoc	Affected: htmldoc 1.9.11 and older

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:37:23.687Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/michaelrsweet/htmldoc/issues/423"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1946289"
          },
          {
            "name": "[debian-lts-announce] 20210701 [SECURITY] [DLA 2700-1] htmldoc security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2021/07/msg00000.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "htmldoc",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "htmldoc 1.9.11 and older"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Integer overflow in the htmldoc 1.9.11 and before may allow attackers to execute arbitrary code and cause a denial of service that is similar to CVE-2017-9181."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-190",
              "description": "CWE-190",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-07-01T05:06:19.000Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/michaelrsweet/htmldoc/issues/423"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1946289"
        },
        {
          "name": "[debian-lts-announce] 20210701 [SECURITY] [DLA 2700-1] htmldoc security update",
          "tags": [
            "mailing-list",
            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2021/07/msg00000.html"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2021-20308",
    "datePublished": "2021-04-05T21:32:58.000Z",
    "dateReserved": "2020-12-17T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:37:23.687Z",
    "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.

Detection rules are retrieved from Rulezet.

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.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CNVD-2021-27373

CVE-2021-20308 (GCVE-0-2021-20308)

Tags

Sightings

Nomenclature

Related by attack behaviour