CVE编号
CVE-2017-9391利用情况
暂无补丁情况
N/A披露时间
2019-06-18漏洞描述
An issue was discovered on Vera VeraEdge 1.7.19 and Veralite 1.7.481 devices. The device provides UPnP services that are available on port 3480 and can also be accessed via port 80 using the url "/port_3480". It seems that the UPnP services provide "request_image" as one of the service actions for a normal user to retrieve an image from a camera that is controlled by the controller. It seems that the "URL" parameter passed in the query string is not sanitized and is stored on the stack which allows an attacker to overflow the buffer. The function "LU::Generic_IP_Camera_Manager::REQ_Image" is activated when the lu_request_image is passed as the "id" parameter in query string. This function then calls "LU::Generic_IP_Camera_Manager::GetUrlFromArguments" and passes a "pointer" to the function where it will be allowed to store the value from the URL parameter. This pointer is passed as the second parameter $a2 to the function "LU::Generic_IP_Camera_Manager::GetUrlFromArguments". However, neither the callee or the caller in this case performs a simple length check and as a result an attacker who is able to send more than 1336 characters can easily overflow the values stored on the stack including the $RA value and thus execute code on the device.解决建议
建议您更新当前系统或软件至最新版,完成漏洞的修复。
参考链接 |
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http://packetstormsecurity.com/files/153242/Veralite-Veraedge-Router-XSS-Comm... | |
https://github.com/ethanhunnt/IoT_vulnerabilities/blob/master/Vera_sec_issues.pdf | |
https://seclists.org/bugtraq/2019/Jun/8 |
受影响软件情况
# | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
1 | |||||||||
---|---|---|---|---|---|---|---|---|---|
运行在以下环境 | |||||||||
系统 | getvera | veraedge_firmware | * |
Up to (including) 1.7.19 |
|||||
运行在以下环境 | |||||||||
系统 | getvera | veralite_firmware | * |
Up to (including) 1.7.481 |
|||||
运行在以下环境 | |||||||||
硬件 | getvera | veraedge | - | - | |||||
运行在以下环境 | |||||||||
硬件 | getvera | veralite | - | - |
- 攻击路径 网络
- 攻击复杂度 低
- 权限要求 低
- 影响范围 未更改
- 用户交互 无
- 可用性 高
- 保密性 高
- 完整性 高
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