cnvd - cnvd-2017-00064

cnvd-2017-00064

Vulnerability from cnvd

Title: LibVNCServer堆缓冲区溢出漏洞

Description:

LibVNCServer是跨平台的C库。

LibVNCServer 0.9.11之前版本中存在堆缓冲区溢出漏洞，攻击者可以利用漏洞在应用程序的上下文中执行任意代码。利用失败可能导致拒绝服务条件。

Severity: 高

Patch Name: LibVNCServer堆缓冲区溢出漏洞的补丁

Patch Description:

LibVNCServer是跨平台的C库。

LibVNCServer 0.9.11之前版本中存在堆缓冲区溢出漏洞，攻击者可以利用漏洞在应用程序的上下文中执行任意代码。利用失败可能导致拒绝服务条件。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:

目前厂商已经发布了升级补丁以修复此安全问题，详情请关注厂商主页： http://libvnc.github.io/

Reference: https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11 http://www.securityfocus.com/bid/95170

Impacted products

Name
LibVNCServer LibVNCServer <0.9.11

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "95170"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-9941"
    }
  },
  "description": "LibVNCServer\u662f\u8de8\u5e73\u53f0\u7684C\u5e93\u3002 \r\n\r\nLibVNCServer 0.9.11\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u6f0f\u6d1e\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u4e0a\u4e0b\u6587\u4e2d\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002\u5229\u7528\u5931\u8d25\u53ef\u80fd\u5bfc\u81f4\u62d2\u7edd\u670d\u52a1\u6761\u4ef6\u3002",
  "discovererName": "Atalas",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttp://libvnc.github.io/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-00064",
  "openTime": "2017-01-04",
  "patchDescription": "LibVNCServer\u662f\u8de8\u5e73\u53f0\u7684C\u5e93\u3002 \r\n\r\nLibVNCServer 0.9.11\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\uff0c\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u6f0f\u6d1e\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u4e0a\u4e0b\u6587\u4e2d\u6267\u884c\u4efb\u610f\u4ee3\u7801\u3002\u5229\u7528\u5931\u8d25\u53ef\u80fd\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": "LibVNCServer\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "LibVNCServer LibVNCServer \u003c0.9.11"
  },
  "referenceLink": "https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11\r\nhttp://www.securityfocus.com/bid/95170",
  "serverity": "\u9ad8",
  "submitTime": "2017-01-03",
  "title": "LibVNCServer\u5806\u7f13\u51b2\u533a\u6ea2\u51fa\u6f0f\u6d1e"
}

CVE-2016-9941 (GCVE-0-2016-9941)

Vulnerability from cvelistv5

Published

2016-12-31 18:00

Modified

2024-08-06 03:07

Severity ?

CWE

Summary

Heap-based buffer overflow in rfbproto.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message containing a subrectangle outside of the client drawing area.

References

▼	URL	Tags
	http://www.securityfocus.com/bid/95170	vdb-entry, x_refsource_BID
	https://github.com/LibVNC/libvncserver/pull/137	x_refsource_CONFIRM
	http://www.debian.org/security/2017/dsa-3753	vendor-advisory, x_refsource_DEBIAN
	https://security.gentoo.org/glsa/201702-24	vendor-advisory, x_refsource_GENTOO
	https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html	mailing-list, x_refsource_MLIST
	https://usn.ubuntu.com/4587-1/	vendor-advisory, x_refsource_UBUNTU

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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