cnvd - cnvd-2020-20994

CNVD-2020-20994

Vulnerability from cnvd - Published: 2020-04-02

Title

Valve Dota 2 schemasystem.dll拒绝服务漏洞

Description

Valve Dota 2（刀塔）是美国Valve公司的一款多人在线战斗竞技类游戏。 Valve Dota 2 7.23f之前版本中的schemasystem.dll库存在安全漏洞。攻击者可利用该漏洞通过创建游戏服务器并将用户连接到该服务器执行代码或造成拒绝服务。

Severity

中

Formal description

目前厂商尚未提供相关漏洞补丁链接，请及时更新： http://cn.dota2.com/

Reference

https://www.exploitalert.com/view-details.html?id=34920

Impacted products

Name
Valve Dota 2 <27.23f

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2020-7949"
    }
  },
  "description": "Valve Dota 2\uff08\u5200\u5854\uff09\u662f\u7f8e\u56fdValve\u516c\u53f8\u7684\u4e00\u6b3e\u591a\u4eba\u5728\u7ebf\u6218\u6597\u7ade\u6280\u7c7b\u6e38\u620f\u3002\n\nValve Dota 2 7.23f\u4e4b\u524d\u7248\u672c\u4e2d\u7684schemasystem.dll\u5e93\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7\u521b\u5efa\u6e38\u620f\u670d\u52a1\u5668\u5e76\u5c06\u7528\u6237\u8fde\u63a5\u5230\u8be5\u670d\u52a1\u5668\u6267\u884c\u4ee3\u7801\u6216\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u76f8\u5173\u6f0f\u6d1e\u8865\u4e01\u94fe\u63a5\uff0c\u8bf7\u53ca\u65f6\u66f4\u65b0\uff1a\r\nhttp://cn.dota2.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-20994",
  "openTime": "2020-04-02",
  "products": {
    "product": "Valve Dota 2 \u003c27.23f"
  },
  "referenceLink": "https://www.exploitalert.com/view-details.html?id=34920",
  "serverity": "\u4e2d",
  "submitTime": "2020-02-11",
  "title": "Valve Dota 2 schemasystem.dll\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2020-7949 (GCVE-0-2020-7949)

Vulnerability from cvelistv5 – Published: 2020-01-27 16:40 – Updated: 2024-08-04 09:48

Summary

schemasystem.dll in Valve Dota 2 before 7.23f allows remote attackers to achieve code execution or denial of service by creating a gaming server and inviting a victim to this server, because a crafted map is mishandled during a GetValue call.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://github.com/bi7s/CVE/tree/master/CVE-2020-7949

x_refsource_MISC

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-04T09:48:24.711Z",
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              "x_transferred"
            ],
            "url": "https://github.com/bi7s/CVE/tree/master/CVE-2020-7949"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
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          "versions": [
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          "url": "https://github.com/bi7s/CVE/tree/master/CVE-2020-7949"
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          "ID": "CVE-2020-7949",
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                      "version": {
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                          {
                            "version_value": "n/a"
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  "cveMetadata": {
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Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

CNVD-2020-20994

CVE-2020-7949 (GCVE-0-2020-7949)

Tags

Sightings

Nomenclature