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CNVD-2016-04253

Vulnerability from cnvd - Published: 2016-06-23
VLAI
Title
libarchive ar解析器栈越边界读取漏洞
Description
libarchive是一个多格式存档和压缩库。 libarchive的ar解析器中存在安全漏洞,攻击者可利用该漏洞造成栈越边界读取。
Severity
Patch Name
libarchive ar解析器栈越边界读取漏洞的补丁
Patch Description
libarchive是一个多格式存档和压缩库。 libarchive的ar解析器中存在安全漏洞,攻击者可利用该漏洞造成栈越边界读取。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

目前厂商已经发布了升级补丁以修复此安全问题,详情请关注厂商主页: http://www.libarchive.org/

Reference
http://www.libarchive.org/ https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html
Impacted products
Name
libarchive libarchive 3.2.0
Show details on source website

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-8920"
    }
  },
  "description": "libarchive\u662f\u4e00\u4e2a\u591a\u683c\u5f0f\u5b58\u6863\u548c\u538b\u7f29\u5e93\u3002\r\n\r\nlibarchive\u7684ar\u89e3\u6790\u5668\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u6808\u8d8a\u8fb9\u754c\u8bfb\u53d6\u3002",
  "discovererName": "Hanno B\u00f6ck",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttp://www.libarchive.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-04253",
  "openTime": "2016-06-23",
  "patchDescription": "libarchive\u662f\u4e00\u4e2a\u591a\u683c\u5f0f\u5b58\u6863\u548c\u538b\u7f29\u5e93\u3002\r\n\r\nlibarchive\u7684ar\u89e3\u6790\u5668\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u6808\u8d8a\u8fb9\u754c\u8bfb\u53d6\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": "libarchive ar\u89e3\u6790\u5668\u6808\u8d8a\u8fb9\u754c\u8bfb\u53d6\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libarchive libarchive 3.2.0"
  },
  "referenceLink": "http://www.libarchive.org/\r\nhttps://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html",
  "serverity": "\u4e2d",
  "submitTime": "2016-06-22",
  "title": "libarchive ar\u89e3\u6790\u5668\u6808\u8d8a\u8fb9\u754c\u8bfb\u53d6\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

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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.
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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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