cnvd-2020-36788
Vulnerability from cnvd
Title
LibVNCServer缓冲区溢出漏洞 （CNVD-2020-36788）
Description
LibVNCServer是一款支持在程序中实现VNC（虚拟网络计算）服务器或客户端功能的跨平台C语言库。 LibVNCServer 0.9.13之前版本中的libvncserver/corre.c文件存在缓冲区溢出漏洞。远程攻击者可利用该漏洞在系统上执行任意代码或导致应用程序崩溃。
Severity
高
Patch Name
LibVNCServer缓冲区溢出漏洞 （CNVD-2020-36788）的补丁
Patch Description
LibVNCServer是一款支持在程序中实现VNC（虚拟网络计算）服务器或客户端功能的跨平台C语言库。 LibVNCServer 0.9.13之前版本中的libvncserver/corre.c文件存在缓冲区溢出漏洞。远程攻击者可利用该漏洞在系统上执行任意代码或导致应用程序崩溃。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

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/LibVNC/libvncserver/commit/74e8a70f2c9a5248d6718ce443e07c7ed314dfff

Reference
https://nvd.nist.gov/vuln/detail/CVE-2020-14402
Impacted products
Name
LibVNCServer LibVNCServer <0.9.13
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-14402"
    }
  },
  "description": "LibVNCServer\u662f\u4e00\u6b3e\u652f\u6301\u5728\u7a0b\u5e8f\u4e2d\u5b9e\u73b0VNC\uff08\u865a\u62df\u7f51\u7edc\u8ba1\u7b97\uff09\u670d\u52a1\u5668\u6216\u5ba2\u6237\u7aef\u529f\u80fd\u7684\u8de8\u5e73\u53f0C\u8bed\u8a00\u5e93\u3002\n\nLibVNCServer 0.9.13\u4e4b\u524d\u7248\u672c\u4e2d\u7684libvncserver/corre.c\u6587\u4ef6\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u6216\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/LibVNC/libvncserver/commit/74e8a70f2c9a5248d6718ce443e07c7ed314dfff",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-36788",
  "openTime": "2020-07-07",
  "patchDescription": "LibVNCServer\u662f\u4e00\u6b3e\u652f\u6301\u5728\u7a0b\u5e8f\u4e2d\u5b9e\u73b0VNC\uff08\u865a\u62df\u7f51\u7edc\u8ba1\u7b97\uff09\u670d\u52a1\u5668\u6216\u5ba2\u6237\u7aef\u529f\u80fd\u7684\u8de8\u5e73\u53f0C\u8bed\u8a00\u5e93\u3002\r\n\r\nLibVNCServer 0.9.13\u4e4b\u524d\u7248\u672c\u4e2d\u7684libvncserver/corre.c\u6587\u4ef6\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5728\u7cfb\u7edf\u4e0a\u6267\u884c\u4efb\u610f\u4ee3\u7801\u6216\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\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": "LibVNCServer\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e \uff08CNVD-2020-36788\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "LibVNCServer LibVNCServer \u003c0.9.13"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-14402",
  "serverity": "\u9ad8",
  "submitTime": "2020-06-18",
  "title": "LibVNCServer\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e \uff08CNVD-2020-36788\uff09"
}


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