Vulnerability-Lookup

CNVD-2017-26812

Vulnerability from cnvd - Published: 2017-09-15

Title

LibSass 'Parser::advanceToNextToken'函数拒绝服务漏洞

Description

LibSass是一个开源的使用C语言编写的Sass（CSS扩展语言）解析器。 LibSass 3.4.5版本中的parser.cpp文件的'Parser::advanceToNextToken'函数存在安全漏洞。远程攻击者可借助特制的输入利用该漏洞造成拒绝服务（栈消耗）。

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： http://libsass.org/

Reference

https://bugzilla.redhat.com/show_bug.cgi?id=1471786

Impacted products

Name
LibSass LibSass 3.4.5

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-11556"
    }
  },
  "description": "LibSass\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684Sass\uff08CSS\u6269\u5c55\u8bed\u8a00\uff09\u89e3\u6790\u5668\u3002\r\n\r\nLibSass 3.4.5\u7248\u672c\u4e2d\u7684parser.cpp\u6587\u4ef6\u7684\u0027Parser::advanceToNextToken\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684\u8f93\u5165\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u6808\u6d88\u8017\uff09\u3002",
  "discovererName": "team OWL337",
  "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\nhttp://libsass.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-26812",
  "openTime": "2017-09-15",
  "products": {
    "product": "LibSass LibSass 3.4.5"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=1471786",
  "serverity": "\u4e2d",
  "submitTime": "2017-08-01",
  "title": "LibSass \u0027Parser::advanceToNextToken\u0027\u51fd\u6570\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2017-11556 (GCVE-0-2017-11556)

Vulnerability from cvelistv5 – Published: 2017-07-23 03:00 – Updated: 2024-08-05 18:12

Summary

There is a stack consumption vulnerability in the Parser::advanceToNextToken function in parser.cpp in LibSass 3.4.5. A crafted input may lead to remote denial of service.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://bugzilla.redhat.com/show_bug.cgi?id=1471786

x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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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-2017-26812

CVE-2017-11556 (GCVE-0-2017-11556)

Tags

Sightings

Nomenclature