CNVD-2018-04052

Vulnerability from cnvd - Published: 2018-03-01
VLAI
Title
GuixSD存在未明漏洞
Description
GuixSD是由GNU项目开发的一套GNU Linux操作系统的高级版本。该系统配备了GNU Guix包管理器、支持事务升级等,并提供了Guile Scheme API接口。 GuixSD Git commit 5e66574a128937e7f2fcf146d146225703ccfd5d之前的版本中存在安全漏洞,该漏洞源于程序未能正确的使用POSIX硬链接。攻击者可利用该漏洞在/gnu/store中创建setuid可执行性文件。
Severity
Patch Name
GuixSD存在未明漏洞的补丁
Patch Description
GuixSD是由GNU项目开发的一套GNU Linux操作系统的高级版本。该系统配备了GNU Guix包管理器、支持事务升级等,并提供了Guile Scheme API接口。 GuixSD Git commit 5e66574a128937e7f2fcf146d146225703ccfd5d之前的版本中存在安全漏洞,该漏洞源于程序未能正确的使用POSIX硬链接。攻击者可利用该漏洞在/gnu/store中创建setuid可执行性文件。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

目前厂商已发布升级补丁以修复漏洞,补丁获取链接: https://git.savannah.gnu.org/cgit/guix.git/commit/?id=5e66574a128937e7f2fcf146d146225703ccfd5d

Reference
https://lists.gnu.org/archive/html/guix-devel/2017-10/msg00090.html
Impacted products
Name
GuixSD Git commit <5e66574a128937e7f2fcf146d146225703ccfd5d
Show details on source website

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-1000455",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-1000455"
    }
  },
  "description": "GuixSD\u662f\u7531GNU\u9879\u76ee\u5f00\u53d1\u7684\u4e00\u5957GNU Linux\u64cd\u4f5c\u7cfb\u7edf\u7684\u9ad8\u7ea7\u7248\u672c\u3002\u8be5\u7cfb\u7edf\u914d\u5907\u4e86GNU Guix\u5305\u7ba1\u7406\u5668\u3001\u652f\u6301\u4e8b\u52a1\u5347\u7ea7\u7b49\uff0c\u5e76\u63d0\u4f9b\u4e86Guile Scheme API\u63a5\u53e3\u3002\r\n\r\nGuixSD Git commit 5e66574a128937e7f2fcf146d146225703ccfd5d\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u4f7f\u7528POSIX\u786c\u94fe\u63a5\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728/gnu/store\u4e2d\u521b\u5efasetuid\u53ef\u6267\u884c\u6027\u6587\u4ef6\u3002",
  "discovererName": "unknow",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://git.savannah.gnu.org/cgit/guix.git/commit/?id=5e66574a128937e7f2fcf146d146225703ccfd5d",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-04052",
  "openTime": "2018-03-01",
  "patchDescription": "GuixSD\u662f\u7531GNU\u9879\u76ee\u5f00\u53d1\u7684\u4e00\u5957GNU Linux\u64cd\u4f5c\u7cfb\u7edf\u7684\u9ad8\u7ea7\u7248\u672c\u3002\u8be5\u7cfb\u7edf\u914d\u5907\u4e86GNU Guix\u5305\u7ba1\u7406\u5668\u3001\u652f\u6301\u4e8b\u52a1\u5347\u7ea7\u7b49\uff0c\u5e76\u63d0\u4f9b\u4e86Guile Scheme API\u63a5\u53e3\u3002\r\n\r\nGuixSD Git commit 5e66574a128937e7f2fcf146d146225703ccfd5d\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7684\u4f7f\u7528POSIX\u786c\u94fe\u63a5\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728/gnu/store\u4e2d\u521b\u5efasetuid\u53ef\u6267\u884c\u6027\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": "GuixSD\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "GuixSD Git commit \u003c5e66574a128937e7f2fcf146d146225703ccfd5d"
  },
  "referenceLink": "https://lists.gnu.org/archive/html/guix-devel/2017-10/msg00090.html",
  "serverity": "\u4f4e",
  "submitTime": "2018-01-08",
  "title": "GuixSD\u5b58\u5728\u672a\u660e\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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