CNVD-2021-80280

Vulnerability from cnvd - Published: 2021-10-26
VLAI
Title
HTMLDOC堆缓冲区溢出漏洞（CNVD-2021-80280）
Description
HTMLDOC是一款能够将HTML和Markdown文件转换为EPUB、索引HTML、PostScript和PDF等格式文件的开源程序。 HTMLDOC存在缓冲区错误漏洞，该漏洞源于ps-pdf.cxx 中的 render_table_row() 函数中的边界错误。远程攻击者利用该漏洞触发堆缓冲区溢出，并在目标系统上执行任意代码。
Severity
低
Patch Name
HTMLDOC堆缓冲区溢出漏洞（CNVD-2021-80280）的补丁
Patch Description
HTMLDOC是一款能够将HTML和Markdown文件转换为EPUB、索引HTML、PostScript和PDF等格式文件的开源程序。 HTMLDOC存在缓冲区错误漏洞，该漏洞源于ps-pdf.cxx 中的 render_table_row() 函数中的边界错误。远程攻击者利用该漏洞触发堆缓冲区溢出，并在目标系统上执行任意代码。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://github.com/michaelrsweet/htmldoc/issues/417

Reference
https://github.com/michaelrsweet/htmldoc/issues/417
Impacted products
Name
['Michael R Sweet htmldoc (Debian 软件包) 1.9.2-1', 'Michael R Sweet htmldoc (Debian 软件包) 1.9.2-2', 'Michael R Sweet htmldoc (Debian 软件包) 1.9.3', 'Michael R Sweet htmldoc (Debian 软件包) 1.9.3-1', 'Michael R Sweet htmldoc (Debian 软件包) 1.9.7-1', 'Michael R Sweet htmldoc (Debian 软件包) 1.9.8', 'Michael R Sweet htmldoc (Debian 软件包) 1.9.8-1', 'Michael R Sweet htmldoc (Debian 软件包) 1.9.8-2']
Show details on source website
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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-26259",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-26259"
    }
  },
  "description": "HTMLDOC\u662f\u4e00\u6b3e\u80fd\u591f\u5c06HTML\u548cMarkdown\u6587\u4ef6\u8f6c\u6362\u4e3aEPUB\u3001\u7d22\u5f15HTML\u3001PostScript\u548cPDF\u7b49\u683c\u5f0f\u6587\u4ef6\u7684\u5f00\u6e90\u7a0b\u5e8f\u3002\n\nHTMLDOC\u5b58\u5728\u7f13\u51b2\u533a\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eps-pdf.cxx \u4e2d\u7684 render_table_row() \u51fd\u6570\u4e2d\u7684\u8fb9\u754c\u9519\u8bef\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u89e6\u53d1\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u5e76\u5728\u76ee\u6807\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\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://github.com/michaelrsweet/htmldoc/issues/417",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-80280",
  "openTime": "2021-10-26",
  "patchDescription": "HTMLDOC\u662f\u4e00\u6b3e\u80fd\u591f\u5c06HTML\u548cMarkdown\u6587\u4ef6\u8f6c\u6362\u4e3aEPUB\u3001\u7d22\u5f15HTML\u3001PostScript\u548cPDF\u7b49\u683c\u5f0f\u6587\u4ef6\u7684\u5f00\u6e90\u7a0b\u5e8f\u3002\r\n\r\nHTMLDOC\u5b58\u5728\u7f13\u51b2\u533a\u9519\u8bef\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eps-pdf.cxx \u4e2d\u7684 render_table_row() \u51fd\u6570\u4e2d\u7684\u8fb9\u754c\u9519\u8bef\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u89e6\u53d1\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u5e76\u5728\u76ee\u6807\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\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": "HTMLDOC\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-80280\uff09\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Michael R Sweet htmldoc (Debian \u8f6f\u4ef6\u5305) 1.9.2-1",
      "Michael R Sweet htmldoc (Debian \u8f6f\u4ef6\u5305) 1.9.2-2",
      "Michael R Sweet htmldoc (Debian \u8f6f\u4ef6\u5305) 1.9.3",
      "Michael R Sweet htmldoc (Debian \u8f6f\u4ef6\u5305) 1.9.3-1",
      "Michael R Sweet htmldoc (Debian \u8f6f\u4ef6\u5305) 1.9.7-1",
      "Michael R Sweet htmldoc (Debian \u8f6f\u4ef6\u5305) 1.9.8",
      "Michael R Sweet htmldoc (Debian \u8f6f\u4ef6\u5305) 1.9.8-1",
      "Michael R Sweet htmldoc (Debian \u8f6f\u4ef6\u5305) 1.9.8-2"
    ]
  },
  "referenceLink": "https://github.com/michaelrsweet/htmldoc/issues/417",
  "serverity": "\u4f4e",
  "submitTime": "2021-06-16",
  "title": "HTMLDOC\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2021-80280\uff09"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.


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.