CNVD-2015-05778

Vulnerability from cnvd - Published: 2015-09-01
VLAI Severity ?
Title
libunwind差一错误漏洞
Description
libunwind是一个为基于64位CPU和操作系统的程序提供基本堆栈辗转开解功能的库，它包括用于输出堆栈跟踪的API、以编程方式辗转开解堆栈的API以及支持C++异常处理机制的API。 libunwind 1.1版本的include/dwarf_i.h文件中的‘dwarf_to_unw_regnum’函数中存在差一错误漏洞。目前没有详细的漏洞描述。
Severity
低
Patch Name
libunwind差一错误漏洞的补丁
Patch Description
libunwind是一个为基于64位CPU和操作系统的程序提供基本堆栈辗转开解功能的库，它包括用于输出堆栈跟踪的API、以编程方式辗转开解堆栈的API以及支持C++异常处理机制的API。libunwind 1.1版本的include/dwarf_i.h文件中的‘dwarf_to_unw_regnum’函数中存在差一错误漏洞。目前没有详细的漏洞描述。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

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载： http://git.savannah.gnu.org/cgit/libunwind.git/commit/?id=396b6c7ab737e2bff244d640601c436a26260ca1

Reference
https://bugzilla.redhat.com/show_bug.cgi?id=1232265
Impacted products
Name
libunwind libunwind 1.1
Show details on source website
To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-3239"
    }
  },
  "description": "libunwind\u662f\u4e00\u4e2a\u4e3a\u57fa\u4e8e64\u4f4dCPU\u548c\u64cd\u4f5c\u7cfb\u7edf\u7684\u7a0b\u5e8f\u63d0\u4f9b\u57fa\u672c\u5806\u6808\u8f97\u8f6c\u5f00\u89e3\u529f\u80fd\u7684\u5e93\uff0c\u5b83\u5305\u62ec\u7528\u4e8e\u8f93\u51fa\u5806\u6808\u8ddf\u8e2a\u7684API\u3001\u4ee5\u7f16\u7a0b\u65b9\u5f0f\u8f97\u8f6c\u5f00\u89e3\u5806\u6808\u7684API\u4ee5\u53ca\u652f\u6301C++\u5f02\u5e38\u5904\u7406\u673a\u5236\u7684API\u3002\r\n\r\nlibunwind 1.1\u7248\u672c\u7684include/dwarf_i.h\u6587\u4ef6\u4e2d\u7684\u2018dwarf_to_unw_regnum\u2019\u51fd\u6570\u4e2d\u5b58\u5728\u5dee\u4e00\u9519\u8bef\u6f0f\u6d1e\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u63cf\u8ff0\u3002",
  "discovererName": "unknown",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u8fd9\u4e2a\u5b89\u5168\u95ee\u9898\uff0c\u8bf7\u5230\u5382\u5546\u7684\u4e3b\u9875\u4e0b\u8f7d\uff1a     http://git.savannah.gnu.org/cgit/libunwind.git/commit/?id=396b6c7ab737e2bff244d640601c436a26260ca1",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-05778",
  "openTime": "2015-09-01",
  "patchDescription": "libunwind\u662f\u4e00\u4e2a\u4e3a\u57fa\u4e8e64\u4f4dCPU\u548c\u64cd\u4f5c\u7cfb\u7edf\u7684\u7a0b\u5e8f\u63d0\u4f9b\u57fa\u672c\u5806\u6808\u8f97\u8f6c\u5f00\u89e3\u529f\u80fd\u7684\u5e93\uff0c\u5b83\u5305\u62ec\u7528\u4e8e\u8f93\u51fa\u5806\u6808\u8ddf\u8e2a\u7684API\u3001\u4ee5\u7f16\u7a0b\u65b9\u5f0f\u8f97\u8f6c\u5f00\u89e3\u5806\u6808\u7684API\u4ee5\u53ca\u652f\u6301C++\u5f02\u5e38\u5904\u7406\u673a\u5236\u7684API\u3002libunwind 1.1\u7248\u672c\u7684include/dwarf_i.h\u6587\u4ef6\u4e2d\u7684\u2018dwarf_to_unw_regnum\u2019\u51fd\u6570\u4e2d\u5b58\u5728\u5dee\u4e00\u9519\u8bef\u6f0f\u6d1e\u3002\u76ee\u524d\u6ca1\u6709\u8be6\u7ec6\u7684\u6f0f\u6d1e\u63cf\u8ff0\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": "libunwind\u5dee\u4e00\u9519\u8bef\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libunwind libunwind 1.1"
  },
  "referenceLink": "https://bugzilla.redhat.com/show_bug.cgi?id=1232265",
  "serverity": "\u4f4e",
  "submitTime": "2015-08-28",
  "title": "libunwind\u5dee\u4e00\u9519\u8bef\u6f0f\u6d1e"
}


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Sightings

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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.



Detection rules are retrieved from Rulezet.