cnvd-2019-22404
Vulnerability from cnvd

Title: GNU Binutils堆缓冲区溢出漏洞(CNVD-2019-22404)

Description:

GNU Binutils是一组用于创建和管理二进制程序、对象文件、库、配置文件数据及程序集源代码的编程工具。

GNU Binutils 2.32中使用的二进制文件描述符(BFD)库中的bfd.c中的_bfd_doprnt存在堆缓冲区溢出漏洞。该漏洞源于elfcode.h中的elf_object_p未能正确处理SHT_GROUP类型的e_shstrndx部分(忽略了尾随的0字符)。攻击者可通过特制ELF输入利用该漏洞导致拒绝服务。

Severity:

Patch Name: GNU Binutils堆缓冲区溢出漏洞的补丁

Patch Description:

GNU Binutils是一组用于创建和管理二进制程序、对象文件、库、配置文件数据及程序集源代码的编程工具。 GNU Binutils 2.32中使用的二进制文件描述符(BFD)库中的bfd.c中的_bfd_doprnt存在堆缓冲区溢出漏洞。该漏洞源于elfcode.h中的elf_object_p不能正确处理SHT_GROUP类型的e_shstrndx部分(忽略了尾随的0字符)。攻击者可通过特制ELF输入利用该漏洞导致拒绝服务。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:

厂商已发布了漏洞修复程序,请及时关注更新: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=890f750a3b053532a4b839a2dd6243076de12031

Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-12972

Impacted products
Name
GNU Binutils 2.32
Show details on source website


{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-12972",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2019-12972"
    }
  },
  "description": "GNU Binutils\u662f\u4e00\u7ec4\u7528\u4e8e\u521b\u5efa\u548c\u7ba1\u7406\u4e8c\u8fdb\u5236\u7a0b\u5e8f\u3001\u5bf9\u8c61\u6587\u4ef6\u3001\u5e93\u3001\u914d\u7f6e\u6587\u4ef6\u6570\u636e\u53ca\u7a0b\u5e8f\u96c6\u6e90\u4ee3\u7801\u7684\u7f16\u7a0b\u5de5\u5177\u3002\n\nGNU Binutils 2.32\u4e2d\u4f7f\u7528\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u63cf\u8ff0\u7b26(BFD)\u5e93\u4e2d\u7684bfd.c\u4e2d\u7684_bfd_doprnt\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eelfcode.h\u4e2d\u7684elf_object_p\u672a\u80fd\u6b63\u786e\u5904\u7406SHT_GROUP\u7c7b\u578b\u7684e_shstrndx\u90e8\u5206\uff08\u5ffd\u7565\u4e86\u5c3e\u968f\u76840\u5b57\u7b26\uff09\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236ELF\u8f93\u5165\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "MITER",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=890f750a3b053532a4b839a2dd6243076de12031",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-22404",
  "openTime": "2019-07-12",
  "patchDescription": "GNU Binutils\u662f\u4e00\u7ec4\u7528\u4e8e\u521b\u5efa\u548c\u7ba1\u7406\u4e8c\u8fdb\u5236\u7a0b\u5e8f\u3001\u5bf9\u8c61\u6587\u4ef6\u3001\u5e93\u3001\u914d\u7f6e\u6587\u4ef6\u6570\u636e\u53ca\u7a0b\u5e8f\u96c6\u6e90\u4ee3\u7801\u7684\u7f16\u7a0b\u5de5\u5177\u3002\nGNU Binutils 2.32\u4e2d\u4f7f\u7528\u7684\u4e8c\u8fdb\u5236\u6587\u4ef6\u63cf\u8ff0\u7b26(BFD)\u5e93\u4e2d\u7684bfd.c\u4e2d\u7684_bfd_doprnt\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8eelfcode.h\u4e2d\u7684elf_object_p\u4e0d\u80fd\u6b63\u786e\u5904\u7406SHT_GROUP\u7c7b\u578b\u7684e_shstrndx\u90e8\u5206\uff08\u5ffd\u7565\u4e86\u5c3e\u968f\u76840\u5b57\u7b26\uff09\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236ELF\u8f93\u5165\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\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": "GNU Binutils\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "GNU Binutils 2.32"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-12972",
  "serverity": "\u4e2d",
  "submitTime": "2019-06-27",
  "title": "GNU Binutils\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff08CNVD-2019-22404\uff09"
}


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