CNVD-2017-25533

Vulnerability from cnvd - Published: 2017-09-07
VLAI
Title
YARA object.c文件堆缓冲区溢出漏洞
Description
YARA是一套用于帮助软件研究人员识别和分类恶意软件样本的工具。 YARA 3.x版本中的object.c文件的'yr_object_array_set_item()'函数存在堆缓冲区溢出漏洞。攻击者可借助特制的.NET文件利用该漏洞造成拒绝服务。
Severity
Patch Name
YARA object.c文件堆缓冲区溢出漏洞的补丁
Patch Description
YARA是一套用于帮助软件研究人员识别和分类恶意软件样本的工具。 YARA 3.x版本中的object.c文件的'yr_object_array_set_item()'函数存在堆缓冲区溢出漏洞。攻击者可借助特制的.NET文件利用该漏洞造成拒绝服务。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

厂商已发布了漏洞修复程序,请及时关注更新: https://github.com/VirusTotal/yara/commit/4a342f01e5439b9bb901aff1c6c23c536baeeb3f

Reference
https://github.com/VirusTotal/yara/commit/4a342f01e5439b9bb901aff1c6c23c536baeeb3f
Impacted products
Name
YARA YARA 3.X
Show details on source website

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-11328"
    }
  },
  "description": "YARA\u662f\u4e00\u5957\u7528\u4e8e\u5e2e\u52a9\u8f6f\u4ef6\u7814\u7a76\u4eba\u5458\u8bc6\u522b\u548c\u5206\u7c7b\u6076\u610f\u8f6f\u4ef6\u6837\u672c\u7684\u5de5\u5177\u3002\r\n\r\nYARA 3.x\u7248\u672c\u4e2d\u7684object.c\u6587\u4ef6\u7684\u0027yr_object_array_set_item()\u0027\u51fd\u6570\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684.NET\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "unknwon",
  "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/VirusTotal/yara/commit/4a342f01e5439b9bb901aff1c6c23c536baeeb3f",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-25533",
  "openTime": "2017-09-07",
  "patchDescription": "YARA\u662f\u4e00\u5957\u7528\u4e8e\u5e2e\u52a9\u8f6f\u4ef6\u7814\u7a76\u4eba\u5458\u8bc6\u522b\u548c\u5206\u7c7b\u6076\u610f\u8f6f\u4ef6\u6837\u672c\u7684\u5de5\u5177\u3002\r\n\r\nYARA 3.x\u7248\u672c\u4e2d\u7684object.c\u6587\u4ef6\u7684\u0027yr_object_array_set_item()\u0027\u51fd\u6570\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684.NET\u6587\u4ef6\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\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": "YARA object.c\u6587\u4ef6\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "YARA YARA 3.X"
  },
  "referenceLink": "https://github.com/VirusTotal/yara/commit/4a342f01e5439b9bb901aff1c6c23c536baeeb3f",
  "serverity": "\u4e2d",
  "submitTime": "2017-07-26",
  "title": "YARA object.c\u6587\u4ef6\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}



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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.

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Detection rules are retrieved from Rulezet.

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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.


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