cnvd - cnvd-2017-31797

CNVD-2017-31797

Vulnerability from cnvd - Published: 2017-10-27

Title

D-Link DIR-850L REV.A和REV.B DHCP客户端远程代码执行漏洞

Description

D-Link DIR-850L REV.A和REV.B都是友讯（D-Link）公司的无线路由器产品。DHCP client是其中的一个DHCP客户端。使用FW114WWb07_h2ab_beta1及之前版本固件的D-Link DIR-850L REV.A和FW208WWb02及之前版本固件的REV.B设备上的DHCP客户端存在安全漏洞，该漏洞源于/etc/services/INET/inet_ipv4.php文件没有正确的处理shell元字符。远程攻击者可利用该漏洞以root权限执行代码。

Severity

高

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://www.dlink.com.cn/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2017-14429

Impacted products

Name
['D-Link DIR-850L REV.A <=FW114WWb07_h2ab_beta1', 'D-Link REV.B <=FW208WWb02']

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JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-14429"
    }
  },
  "description": "D-Link DIR-850L REV.A\u548cREV.B\u90fd\u662f\u53cb\u8baf\uff08D-Link\uff09\u516c\u53f8\u7684\u65e0\u7ebf\u8def\u7531\u5668\u4ea7\u54c1\u3002DHCP client\u662f\u5176\u4e2d\u7684\u4e00\u4e2aDHCP\u5ba2\u6237\u7aef\u3002\r\n\r\n\u4f7f\u7528FW114WWb07_h2ab_beta1\u53ca\u4e4b\u524d\u7248\u672c\u56fa\u4ef6\u7684D-Link DIR-850L REV.A\u548cFW208WWb02\u53ca\u4e4b\u524d\u7248\u672c\u56fa\u4ef6\u7684REV.B\u8bbe\u5907\u4e0a\u7684DHCP\u5ba2\u6237\u7aef\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e/etc/services/INET/inet_ipv4.php\u6587\u4ef6\u6ca1\u6709\u6b63\u786e\u7684\u5904\u7406shell\u5143\u5b57\u7b26\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u4ee5root\u6743\u9650\u6267\u884c\u4ee3\u7801\u3002",
  "discovererName": "unknow",
  "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://www.dlink.com.cn/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-31797",
  "openTime": "2017-10-27",
  "products": {
    "product": [
      "D-Link DIR-850L REV.A \u003c=FW114WWb07_h2ab_beta1",
      "D-Link REV.B \u003c=FW208WWb02"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2017-14429",
  "serverity": "\u9ad8",
  "submitTime": "2017-09-14",
  "title": "D-Link DIR-850L REV.A\u548cREV.B DHCP\u5ba2\u6237\u7aef\u8fdc\u7a0b\u4ee3\u7801\u6267\u884c\u6f0f\u6d1e"
}

CVE-2017-14429 (GCVE-0-2017-14429)

Vulnerability from cvelistv5 – Published: 2017-09-13 17:00 – Updated: 2025-05-06 14:59

Summary

The DHCP client on D-Link DIR-850L REV. A (with firmware through FW114WWb07_h2ab_beta1) and REV. B (with firmware through FW208WWb02) devices allows unauthenticated remote code execution as root because /etc/services/INET/inet_ipv4.php mishandles shell metacharacters, affecting generated files such as WAN-1-udhcpc.sh.

Severity ?

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

Assigner

mitre

References

URL

Tags

https://pierrekim.github.io/blog/2017-09-08-dlink…

x_refsource_MISC

Show details on NVD website

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-2017-31797

CVE-2017-14429 (GCVE-0-2017-14429)

Tags

Sightings

Nomenclature