Vulnerability-Lookup

CNVD-2018-21609

Vulnerability from cnvd - Published: 2018-10-24

Title

Asciidoctor拒绝服务漏洞

Description

Asciidoctor是一款使用Ruby编写的文本处理器，它支持将AsciiDoc内容转换成HTML5、DocBook等格式。 Asciidoctor 1.5.7.1版本中存在安全漏洞，该漏洞源于Parser#next_block未能正确的使用‘while true’语句。远程攻击者可利用该漏洞造成拒绝服务（无限循环）。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://asciidoctor.org/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2018-18385

Impacted products

Name
Asciidoctor Asciidoctor 1.5.7.1

Show details on source website

JSON

To clipboard

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    "cve": {
      "cveNumber": "CVE-2018-18385",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18385"
    }
  },
  "description": "Asciidoctor\u662f\u4e00\u6b3e\u4f7f\u7528Ruby\u7f16\u5199\u7684\u6587\u672c\u5904\u7406\u5668\uff0c\u5b83\u652f\u6301\u5c06AsciiDoc\u5185\u5bb9\u8f6c\u6362\u6210HTML5\u3001DocBook\u7b49\u683c\u5f0f\u3002\r\n\r\nAsciidoctor 1.5.7.1\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eParser#next_block\u672a\u80fd\u6b63\u786e\u7684\u4f7f\u7528\u2018while true\u2019\u8bed\u53e5\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u65e0\u9650\u5faa\u73af\uff09\u3002",
  "discovererName": "unKnow",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://asciidoctor.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-21609",
  "openTime": "2018-10-24",
  "products": {
    "product": "Asciidoctor Asciidoctor 1.5.7.1"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2018-18385",
  "serverity": "\u4e2d",
  "submitTime": "2018-10-19",
  "title": "Asciidoctor\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2018-18385 (GCVE-0-2018-18385)

Vulnerability from cvelistv5 – Published: 2018-10-16 15:00 – Updated: 2024-08-05 11:08

Summary

Asciidoctor in versions < 1.5.8 allows remote attackers to cause a denial of service (infinite loop). The loop was caused by the fact that Parser.next_block was not exhausting all the lines in the reader as the while loop expected it would. This was happening because the regular expression that detects any list was not agreeing with the regular expression that detects a specific list type. So the line kept getting pushed back onto the reader, hence causing the loop.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/asciidoctor/asciidoctor/issues/2888	x_refsource_MISC

Date Public

2018-10-16 00:00

Show details on NVD website

JSON

To clipboard

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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.

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-2018-21609

CVE-2018-18385 (GCVE-0-2018-18385)

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Sightings

Nomenclature

Related by attack behaviour