cnvd-2017-29541
Vulnerability from cnvd
Title
libzip '_zip_dirent_read'函数双重释放漏洞
Description
libzip是软件开发者Dieter Baron和Thomas Klausner共同研发的一个用于读取、创建和修改zip压缩包的C库。 libzip中的zip_dirent.c文件的'_zip_dirent_read'函数存在双重释放漏洞。本地攻击者可以利用漏洞导致拒绝服务条件。
Severity
中
Patch Name
libzip '_zip_dirent_read'函数双重释放漏洞的补丁
Patch Description
libzip是软件开发者Dieter Baron和Thomas Klausner共同研发的一个用于读取、创建和修改zip压缩包的C库。 libzip中的zip_dirent.c文件的'_zip_dirent_read'函数存在双重释放漏洞。本地攻击者可以利用漏洞导致拒绝服务条件。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

厂商已发布漏洞修复程序，请及时关注更新： https://github.com/nih-at/libzip/commit/2217022b7d1142738656d891e00b3d2d9179b796

Reference
https://nvd.nist.gov/vuln/detail/CVE-2017-12858
Impacted products
Name
libzip libzip 0
Show details on source website

To clipboard 

{
  "bids": {
    "bid": {
      "bidNumber": "100459"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-12858"
    }
  },
  "description": "libzip\u662f\u8f6f\u4ef6\u5f00\u53d1\u8005Dieter Baron\u548cThomas Klausner\u5171\u540c\u7814\u53d1\u7684\u4e00\u4e2a\u7528\u4e8e\u8bfb\u53d6\u3001\u521b\u5efa\u548c\u4fee\u6539zip\u538b\u7f29\u5305\u7684C\u5e93\u3002\r\n\r\nlibzip\u4e2d\u7684zip_dirent.c\u6587\u4ef6\u7684\u0027_zip_dirent_read\u0027\u51fd\u6570\u5b58\u5728\u53cc\u91cd\u91ca\u653e\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u6761\u4ef6\u3002",
  "discovererName": "Brian \u0027geeknik\u0027 Carpenter",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/nih-at/libzip/commit/2217022b7d1142738656d891e00b3d2d9179b796",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-29541",
  "openTime": "2017-10-11",
  "patchDescription": "libzip\u662f\u8f6f\u4ef6\u5f00\u53d1\u8005Dieter Baron\u548cThomas Klausner\u5171\u540c\u7814\u53d1\u7684\u4e00\u4e2a\u7528\u4e8e\u8bfb\u53d6\u3001\u521b\u5efa\u548c\u4fee\u6539zip\u538b\u7f29\u5305\u7684C\u5e93\u3002\r\n\r\nlibzip\u4e2d\u7684zip_dirent.c\u6587\u4ef6\u7684\u0027_zip_dirent_read\u0027\u51fd\u6570\u5b58\u5728\u53cc\u91cd\u91ca\u653e\u6f0f\u6d1e\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u6f0f\u6d1e\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u6761\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": "libzip \u0027_zip_dirent_read\u0027\u51fd\u6570\u53cc\u91cd\u91ca\u653e\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "libzip libzip 0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2017-12858",
  "serverity": "\u4e2d",
  "submitTime": "2017-08-24",
  "title": "libzip \u0027_zip_dirent_read\u0027\u51fd\u6570\u53cc\u91cd\u91ca\u653e\u6f0f\u6d1e"
}


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