cnvd - cnvd-2018-02794

CNVD-2018-02794

Vulnerability from cnvd - Published: 2018-02-06

Title

CPP-Ethereum JSON-RPC安全绕过漏洞

Description

CPP-Ethereum是Ethereum（应用程序运行平台）的C++客户端。JSON-RPC是其中的一个以JSON为协议的远程调用服务。 CPP-Ethereum commit 4e1015743b95821849d001618a7ce82c7c073768版本中的JSON-RPC的admin_addPeer API存在安全绕过漏洞。攻击者可通过发送JSON请求利用该漏洞访问被限制的功能，绕过授权。

Severity

中

Formal description

目前厂商暂未发布修复措施解决此安全问题，建议使用此软件的用户随时关注厂商主页或参考网址以获取解决办法： http://cpp-ethereum.org

Reference

https://www.securityfocus.com/bid/102475 https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0464

Impacted products

Name
Ethereum CPP-Ethereum 4e1015743b95821849d001618a7ce82c7c073768

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-12112"
    }
  },
  "description": "CPP-Ethereum\u662fEthereum\uff08\u5e94\u7528\u7a0b\u5e8f\u8fd0\u884c\u5e73\u53f0\uff09\u7684C++\u5ba2\u6237\u7aef\u3002JSON-RPC\u662f\u5176\u4e2d\u7684\u4e00\u4e2a\u4ee5JSON\u4e3a\u534f\u8bae\u7684\u8fdc\u7a0b\u8c03\u7528\u670d\u52a1\u3002\r\n\r\nCPP-Ethereum commit 4e1015743b95821849d001618a7ce82c7c073768\u7248\u672c\u4e2d\u7684JSON-RPC\u7684admin_addPeer API\u5b58\u5728\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u53d1\u9001JSON\u8bf7\u6c42\u5229\u7528\u8be5\u6f0f\u6d1e\u8bbf\u95ee\u88ab\u9650\u5236\u7684\u529f\u80fd\uff0c\u7ed5\u8fc7\u6388\u6743\u3002",
  "discovererName": "Marcin \u0027Icewall\u0027 Noga of Cisco Talos.",
  "formalWay": "\u76ee\u524d\u5382\u5546\u6682\u672a\u53d1\u5e03\u4fee\u590d\u63aa\u65bd\u89e3\u51b3\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u5efa\u8bae\u4f7f\u7528\u6b64\u8f6f\u4ef6\u7684\u7528\u6237\u968f\u65f6\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u6216\u53c2\u8003\u7f51\u5740\u4ee5\u83b7\u53d6\u89e3\u51b3\u529e\u6cd5\uff1a\r\nhttp://cpp-ethereum.org",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-02794",
  "openTime": "2018-02-06",
  "products": {
    "product": "Ethereum CPP-Ethereum 4e1015743b95821849d001618a7ce82c7c073768"
  },
  "referenceLink": "https://www.securityfocus.com/bid/102475\r\nhttps://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0464",
  "serverity": "\u4e2d",
  "submitTime": "2018-01-10",
  "title": "CPP-Ethereum JSON-RPC\u5b89\u5168\u7ed5\u8fc7\u6f0f\u6d1e"
}

CVE-2017-12112 (GCVE-0-2017-12112)

Vulnerability from cvelistv5 – Published: 2018-01-19 22:00 – Updated: 2024-09-16 19:25

Summary

An exploitable improper authorization vulnerability exists in admin_addPeer API of cpp-ethereum's JSON-RPC (commit 4e1015743b95821849d001618a7ce82c7c073768). A JSON request can cause an access to the restricted functionality resulting in authorization bypass. An attacker can send JSON to trigger this vulnerability.

Severity ?

4 (Medium)


                        
                          CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N

CWE

authorization bypass

Assigner

talos

References

URL

Tags

	http://www.securityfocus.com/bid/102475	vdb-entryx_refsource_BID
	https://www.talosintelligence.com/vulnerability_r…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Talos	CPP-Ethereum	Affected: Ethereum commit 4e1015743b95821849d001618a7ce82c7c073768

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JSON

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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-2018-02794

CVE-2017-12112 (GCVE-0-2017-12112)

Tags

Sightings

Nomenclature