cnvd-2017-37933
Vulnerability from cnvd
Title
Netwide Assembler 'find_cc()'函数非法地址访问漏洞
Description
Netwide Assembler(NASM)是一个基于Linux的汇编器，它能够创建二进制文件并编写引导加载程序。 NASM 2.14rc0版本中的asm/preproc.c文件的'find_cc()'函数存在安全漏洞，该漏洞源于程序未能验证与skip_white_ calls相关联的指针。远程攻击者可利用该漏洞造成拒绝服务。
Severity
中
Patch Name
Netwide Assembler 'find_cc()'函数非法地址访问漏洞的补丁
Patch Description
Netwide Assembler(NASM)是一个基于Linux的汇编器，它能够创建二进制文件并编写引导加载程序。 NASM 2.14rc0版本中的asm/preproc.c文件的'find_cc()'函数存在安全漏洞，该漏洞源于程序未能验证与skip_white_ calls相关联的指针。远程攻击者可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

厂商已发布漏洞修复程序，请及时关注更新： http://repo.or.cz/nasm.git/commit/7524cfd91492e6e3719b959498be584a9ced13af

Reference
https://nvd.nist.gov/vuln/detail/CVE-2017-17819
Impacted products
Name
Nasm Netwide Assembler 2.14rc0
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-17819"
    }
  },
  "description": "Netwide Assembler(NASM)\u662f\u4e00\u4e2a\u57fa\u4e8eLinux\u7684\u6c47\u7f16\u5668\uff0c\u5b83\u80fd\u591f\u521b\u5efa\u4e8c\u8fdb\u5236\u6587\u4ef6\u5e76\u7f16\u5199\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\u3002\r\n\r\nNASM 2.14rc0\u7248\u672c\u4e2d\u7684asm/preproc.c\u6587\u4ef6\u7684\u0027find_cc()\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u9a8c\u8bc1\u4e0eskip_white_ calls\u76f8\u5173\u8054\u7684\u6307\u9488\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "owl337",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttp://repo.or.cz/nasm.git/commit/7524cfd91492e6e3719b959498be584a9ced13af",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-37933",
  "openTime": "2017-12-25",
  "patchDescription": "Netwide Assembler(NASM)\u662f\u4e00\u4e2a\u57fa\u4e8eLinux\u7684\u6c47\u7f16\u5668\uff0c\u5b83\u80fd\u591f\u521b\u5efa\u4e8c\u8fdb\u5236\u6587\u4ef6\u5e76\u7f16\u5199\u5f15\u5bfc\u52a0\u8f7d\u7a0b\u5e8f\u3002\r\n\r\nNASM 2.14rc0\u7248\u672c\u4e2d\u7684asm/preproc.c\u6587\u4ef6\u7684\u0027find_cc()\u0027\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u9a8c\u8bc1\u4e0eskip_white_ calls\u76f8\u5173\u8054\u7684\u6307\u9488\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\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": "Netwide Assembler \u0027find_cc()\u0027\u51fd\u6570\u975e\u6cd5\u5730\u5740\u8bbf\u95ee\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Nasm Netwide Assembler 2.14rc0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2017-17819",
  "serverity": "\u4e2d",
  "submitTime": "2017-12-21",
  "title": "Netwide Assembler \u0027find_cc()\u0027\u51fd\u6570\u975e\u6cd5\u5730\u5740\u8bbf\u95ee\u6f0f\u6d1e"
}


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