cnvd-2015-08408
Vulnerability from cnvd
Title
Grub2整数溢出漏洞
Description
GNU GRUB是GNU计划开发的一套GNU项目的启动引导程序。Grub2是其中的一个增强版。 Grub2 grub-core/normal/auth.c文件中的‘grub_username_get’函数和lib/crypto.c文件中的‘grub_password_get’函数中的退格字符处理存在安全漏洞，允许攻击者利用漏洞获取敏感信息或造进行拒绝服务攻击。
Severity
中
Patch Name
Grub2整数溢出漏洞的补丁
Patch Description
GNU GRUB是GNU计划开发的一套GNU项目的启动引导程序。Grub2是其中的一个增强版。 Grub2 grub-core/normal/auth.c文件中的‘grub_username_get’函数和lib/crypto.c文件中的‘grub_password_get’函数中的退格字符处理存在安全漏洞，允许攻击者利用漏洞获取敏感信息或造进行拒绝服务攻击。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

用户可参考如下厂商提供的安全补丁以修复该漏洞： https://www.gnu.org/

Reference
http://www.openwall.com/lists/oss-security/2015/12/15/6
Impacted products
Name
GNU GRUB2 1.98-2.02
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "79358"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-8370"
    }
  },
  "description": "GNU GRUB\u662fGNU\u8ba1\u5212\u5f00\u53d1\u7684\u4e00\u5957GNU\u9879\u76ee\u7684\u542f\u52a8\u5f15\u5bfc\u7a0b\u5e8f\u3002Grub2\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u589e\u5f3a\u7248\u3002\r\n\r\nGrub2 grub-core/normal/auth.c\u6587\u4ef6\u4e2d\u7684\u2018grub_username_get\u2019\u51fd\u6570\u548clib/crypto.c\u6587\u4ef6\u4e2d\u7684\u2018grub_password_get\u2019\u51fd\u6570\u4e2d\u7684\u9000\u683c\u5b57\u7b26\u5904\u7406\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u6216\u9020\u8fdb\u884c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\u3002",
  "discovererName": "Hector Marco and Ismael Ripoll.",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttps://www.gnu.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-08408",
  "openTime": "2015-12-23",
  "patchDescription": "GNU GRUB\u662fGNU\u8ba1\u5212\u5f00\u53d1\u7684\u4e00\u5957GNU\u9879\u76ee\u7684\u542f\u52a8\u5f15\u5bfc\u7a0b\u5e8f\u3002Grub2\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u589e\u5f3a\u7248\u3002\r\n\r\nGrub2 grub-core/normal/auth.c\u6587\u4ef6\u4e2d\u7684\u2018grub_username_get\u2019\u51fd\u6570\u548clib/crypto.c\u6587\u4ef6\u4e2d\u7684\u2018grub_password_get\u2019\u51fd\u6570\u4e2d\u7684\u9000\u683c\u5b57\u7b26\u5904\u7406\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u5229\u7528\u6f0f\u6d1e\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u6216\u9020\u8fdb\u884c\u62d2\u7edd\u670d\u52a1\u653b\u51fb\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": "Grub2\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "GNU GRUB2 1.98-2.02"
  },
  "referenceLink": "http://www.openwall.com/lists/oss-security/2015/12/15/6",
  "serverity": "\u4e2d",
  "submitTime": "2015-12-20",
  "title": "Grub2\u6574\u6570\u6ea2\u51fa\u6f0f\u6d1e"
}


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