cnvd-2019-47192
Vulnerability from cnvd
Title
virglrenderer 'vrend_renderer_transfer_write_iov'函数缓冲区溢出漏洞
Description
virglrenderer是一款VirGL虚拟OpenGL渲染器。 virglrenderer 0.8.0及之前版本中的vrend_renderer.c文件的'vrend_renderer_transfer_write_iov'函数存在缓冲区溢出漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
Severity
中
Patch Name
virglrenderer 'vrend_renderer_transfer_write_iov'函数缓冲区溢出漏洞的补丁
Patch Description
virglrenderer是一款VirGL虚拟OpenGL渲染器。 virglrenderer 0.8.0及之前版本中的vrend_renderer.c文件的'vrend_renderer_transfer_write_iov'函数存在缓冲区溢出漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。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

https://gitlab.freedesktop.org/virgl/virglrenderer/commit/2abeb1802e3c005b17a7123e382171b3fb665971

Reference
https://access.redhat.com/security/cve/cve-2019-18391 https://bugzilla.redhat.com/show_bug.cgi?id=1765589 https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=8c9cfb4e425542e96f0717189fe4658555baaf08
Impacted products
Name
virglrenderer virglrenderer <=0.8.0
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-18391"
    }
  },
  "description": "virglrenderer\u662f\u4e00\u6b3eVirGL\u865a\u62dfOpenGL\u6e32\u67d3\u5668\u3002\n\nvirglrenderer 0.8.0\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684vrend_renderer.c\u6587\u4ef6\u7684\u0027vrend_renderer_transfer_write_iov\u0027\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u5bfc\u81f4\u5411\u5173\u8054\u7684\u5176\u4ed6\u5185\u5b58\u4f4d\u7f6e\u4e0a\u6267\u884c\u4e86\u9519\u8bef\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\u3002",
  "formalWay": "https://gitlab.freedesktop.org/virgl/virglrenderer/commit/2abeb1802e3c005b17a7123e382171b3fb665971",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2019-47192",
  "openTime": "2019-12-27",
  "patchDescription": "virglrenderer\u662f\u4e00\u6b3eVirGL\u865a\u62dfOpenGL\u6e32\u67d3\u5668\u3002\r\n\r\nvirglrenderer 0.8.0\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u7684vrend_renderer.c\u6587\u4ef6\u7684\u0027vrend_renderer_transfer_write_iov\u0027\u51fd\u6570\u5b58\u5728\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7f51\u7edc\u7cfb\u7edf\u6216\u4ea7\u54c1\u5728\u5185\u5b58\u4e0a\u6267\u884c\u64cd\u4f5c\u65f6\uff0c\u672a\u6b63\u786e\u9a8c\u8bc1\u6570\u636e\u8fb9\u754c\uff0c\u5bfc\u81f4\u5411\u5173\u8054\u7684\u5176\u4ed6\u5185\u5b58\u4f4d\u7f6e\u4e0a\u6267\u884c\u4e86\u9519\u8bef\u7684\u8bfb\u5199\u64cd\u4f5c\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\u6216\u5806\u6ea2\u51fa\u7b49\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": "virglrenderer \u0027vrend_renderer_transfer_write_iov\u0027\u51fd\u6570\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "virglrenderer virglrenderer \u003c=0.8.0"
  },
  "referenceLink": "https://access.redhat.com/security/cve/cve-2019-18391\r\nhttps://bugzilla.redhat.com/show_bug.cgi?id=1765589\r\nhttps://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=8c9cfb4e425542e96f0717189fe4658555baaf08",
  "serverity": "\u4e2d",
  "submitTime": "2019-12-24",
  "title": "virglrenderer \u0027vrend_renderer_transfer_write_iov\u0027\u51fd\u6570\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}


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