Vulnerability-Lookup

CNVD-2017-05161

Vulnerability from cnvd - Published: 2017-04-24

Title

TigerVNC拒绝服务漏洞（CNVD-2017-05161）

Description

TigerVNC是一个高性能、平台中立的VNC（虚拟网络计算）实现，是一个可让用户启动远程机器上的图形应用程序并与之交互的客户端/服务器应用程序。 TigerVNC 1.7.1版本中的CConnection.cxx文件的CConnection::CConnection函数存在安全漏洞。攻击者可利用该漏洞造成服务器中内存泄露。

Severity

中

Patch Name

TigerVNC拒绝服务漏洞（CNVD-2017-05161）的补丁

Patch Description

Formal description

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： https://github.com/TigerVNC/tigervnc/pull/436/commits/dccb5f7d776e93863ae10bbff56a45c523c6eeb0

Reference

https://github.com/TigerVNC/tigervnc/pull/436 http://www.securityfocus.com/bid/97305

Impacted products

Name
TigerVNC TigerVNC 1.7.1

Show details on source website

JSON

To clipboard

{
  "bids": {
    "bid": {
      "bidNumber": "97305"
    }
  },
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-7396",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7396"
    }
  },
  "description": "TigerVNC\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u3001\u5e73\u53f0\u4e2d\u7acb\u7684VNC\uff08\u865a\u62df\u7f51\u7edc\u8ba1\u7b97\uff09\u5b9e\u73b0\uff0c\u662f\u4e00\u4e2a\u53ef\u8ba9\u7528\u6237\u542f\u52a8\u8fdc\u7a0b\u673a\u5668\u4e0a\u7684\u56fe\u5f62\u5e94\u7528\u7a0b\u5e8f\u5e76\u4e0e\u4e4b\u4ea4\u4e92\u7684\u5ba2\u6237\u7aef/\u670d\u52a1\u5668\u5e94\u7528\u7a0b\u5e8f\u3002\r\n\r\nTigerVNC 1.7.1\u7248\u672c\u4e2d\u7684CConnection.cxx\u6587\u4ef6\u7684CConnection::CConnection\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u670d\u52a1\u5668\u4e2d\u5185\u5b58\u6cc4\u9732\u3002",
  "discovererName": "TigerVNC",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/TigerVNC/tigervnc/pull/436/commits/dccb5f7d776e93863ae10bbff56a45c523c6eeb0",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-05161",
  "openTime": "2017-04-24",
  "patchDescription": "TigerVNC\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u3001\u5e73\u53f0\u4e2d\u7acb\u7684VNC\uff08\u865a\u62df\u7f51\u7edc\u8ba1\u7b97\uff09\u5b9e\u73b0\uff0c\u662f\u4e00\u4e2a\u53ef\u8ba9\u7528\u6237\u542f\u52a8\u8fdc\u7a0b\u673a\u5668\u4e0a\u7684\u56fe\u5f62\u5e94\u7528\u7a0b\u5e8f\u5e76\u4e0e\u4e4b\u4ea4\u4e92\u7684\u5ba2\u6237\u7aef/\u670d\u52a1\u5668\u5e94\u7528\u7a0b\u5e8f\u3002\r\n\r\nTigerVNC 1.7.1\u7248\u672c\u4e2d\u7684CConnection.cxx\u6587\u4ef6\u7684CConnection::CConnection\u51fd\u6570\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u670d\u52a1\u5668\u4e2d\u5185\u5b58\u6cc4\u9732\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": "TigerVNC\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-05161\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "TigerVNC TigerVNC 1.7.1"
  },
  "referenceLink": "https://github.com/TigerVNC/tigervnc/pull/436\r\nhttp://www.securityfocus.com/bid/97305",
  "serverity": "\u4e2d",
  "submitTime": "2017-04-05",
  "title": "TigerVNC\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-05161\uff09"
}

CVE-2017-7396 (GCVE-0-2017-7396)

Vulnerability from cvelistv5 – Published: 2017-04-01 01:07 – Updated: 2024-08-05 16:04

Summary

In TigerVNC 1.7.1 (CConnection.cxx CConnection::CConnection), an unauthenticated client can cause a small memory leak in the server.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 29/100 over 2369 records in the last 180 days details

References

5 references

URL	Tags
https://github.com/TigerVNC/tigervnc/pull/436	x_refsource_CONFIRM
https://github.com/TigerVNC/tigervnc/pull/436/com…	x_refsource_CONFIRM
https://access.redhat.com/errata/RHSA-2017:2000	vendor-advisoryx_refsource_REDHAT
http://www.securityfocus.com/bid/97305	vdb-entryx_refsource_BID
https://security.gentoo.org/glsa/201801-13	vendor-advisoryx_refsource_GENTOO

Date Public

2017-03-31 00:00

Show details on NVD website

JSON

To clipboard

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            "url": "https://github.com/TigerVNC/tigervnc/pull/436/commits/dccb5f7d776e93863ae10bbff56a45c523c6eeb0"
          },
          {
            "name": "RHSA-2017:2000",
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          },
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              "x_refsource_GENTOO",
              "x_transferred"
            ],
            "url": "https://security.gentoo.org/glsa/201801-13"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "versions": [
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      ],
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        {
          "lang": "en",
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        }
      ],
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      "providerMetadata": {
        "dateUpdated": "2018-01-12T10:57:01.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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        },
        {
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        },
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}

Sightings

Author	Source	Type	Date	Other

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.

Vulnerability timeline

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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