CNVD-2015-03469

Vulnerability from cnvd - Published: 2015-05-29
VLAI
Title
QEMU 'net/slirp.c'不安全临时文件创建漏洞
Description
QEMU是一款开源模拟器软件。 QEMU 2.3.0版本,在/net/slirp.c的实现上存在安全漏洞,具有本地访问权限的攻击者利用此漏洞可执行符号链接攻击,在受影响应用上下文中覆盖任意文件。
Severity
Patch Name
QEMU 'net/slirp.c'不安全临时文件创建漏洞的补丁
Patch Description
QEMU是一款开源模拟器软件。 QEMU 2.3.0版本,在/net/slirp.c的实现上存在安全漏洞,具有本地访问权限的攻击者利用此漏洞可执行符号链接攻击,在受影响应用上下文中覆盖任意文件。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

用户可参考如下供应商提供的安全公告获得补丁信息: http://wiki.qemu-project.org/download/qemu-2.3.0.tar.bz2

Reference
http://www.securityfocus.com/bid/74809
Impacted products
Name
QEMU QEMU 2.3.0
Show details on source website

{
  "bids": {
    "bid": {
      "bidNumber": "74809"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-4037"
    }
  },
  "description": "QEMU\u662f\u4e00\u6b3e\u5f00\u6e90\u6a21\u62df\u5668\u8f6f\u4ef6\u3002\r\n\r\nQEMU 2.3.0\u7248\u672c\uff0c\u5728/net/slirp.c\u7684\u5b9e\u73b0\u4e0a\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5177\u6709\u672c\u5730\u8bbf\u95ee\u6743\u9650\u7684\u653b\u51fb\u8005\u5229\u7528\u6b64\u6f0f\u6d1e\u53ef\u6267\u884c\u7b26\u53f7\u94fe\u63a5\u653b\u51fb\uff0c\u5728\u53d7\u5f71\u54cd\u5e94\u7528\u4e0a\u4e0b\u6587\u4e2d\u8986\u76d6\u4efb\u610f\u6587\u4ef6\u3002",
  "discovererName": "Kurt Seifried \uff08kurt@seifried.org\uff09",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u4f9b\u5e94\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttp://wiki.qemu-project.org/download/qemu-2.3.0.tar.bz2",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-03469",
  "openTime": "2015-05-29",
  "patchDescription": "QEMU\u662f\u4e00\u6b3e\u5f00\u6e90\u6a21\u62df\u5668\u8f6f\u4ef6\u3002 \r\n\r\nQEMU 2.3.0\u7248\u672c\uff0c\u5728/net/slirp.c\u7684\u5b9e\u73b0\u4e0a\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5177\u6709\u672c\u5730\u8bbf\u95ee\u6743\u9650\u7684\u653b\u51fb\u8005\u5229\u7528\u6b64\u6f0f\u6d1e\u53ef\u6267\u884c\u7b26\u53f7\u94fe\u63a5\u653b\u51fb\uff0c\u5728\u53d7\u5f71\u54cd\u5e94\u7528\u4e0a\u4e0b\u6587\u4e2d\u8986\u76d6\u4efb\u610f\u6587\u4ef6\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": "QEMU \u0027net/slirp.c\u0027\u4e0d\u5b89\u5168\u4e34\u65f6\u6587\u4ef6\u521b\u5efa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "QEMU QEMU 2.3.0"
  },
  "referenceLink": "http://www.securityfocus.com/bid/74809",
  "serverity": "\u4e2d",
  "submitTime": "2015-05-26",
  "title": "QEMU \u0027net/slirp.c\u0027\u4e0d\u5b89\u5168\u4e34\u65f6\u6587\u4ef6\u521b\u5efa\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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