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Shanxi Internet Chuangxiang Technology Co., Ltd. back-end management denial of service #6

Open dabaizhizhu opened 4 months ago

dabaizhizhu commented 4 months ago

There is a denial of service vulnerability in the background management system of Shanxi Internet Chuangxiang Technology Co., Ltd

The company of the vulnerability product is:Shanxi Internet Chuangxiang Technology Co., Ltd(山西互联创想科技有限公司) You can log in to the background with a weak password to view it:admin/123456

image

Vulnerability details: Access the vulnerability URL:http://bbq.nplusc.cn/login/index.html

This denial of service vulnerability occurs in an interface that retrieves images after logging in to the backend.

This API passes parameters through get, in which the Width parameter and Height parameter can be controlled, and the values of these two parameters can be enlarged wirelessly, resulting in the larger image being taken, resulting in a waste of resources, resulting in an obvious access delay, and a denial of service attack can be caused when the parameter value is large enough.

屏幕截图 2024-06-01 202902 屏幕截图 2024-06-01 202757

The packets are as follows: GET /Upload/uploadpic.html?Width=100&Height=100&BackCall=head&Img=/Public/attached/201601/1453389194.png HTTP/1.1 Host: bbq.nplusc.cn User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:126.0) Gecko/20100101 Firefox/126.0 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,/;q=0.8 Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2 Accept-Encoding: gzip, deflate, br Connection: close Referer: http://bbq.nplusc.cn/Personal/profile.html Cookie: PHPSESSID=mob625hc2sauti8b278b3uorag; auth=b55cf8798d76f13666c88a191c647c2e%2Cde1d1303fb75d48e8760b821e89effb3 Upgrade-Insecure-Requests: 1 Priority: u=4

Remediation scenarios:Tightly limit the size of the data that can be taken from server 1 other URL:https://baoming.nate.org.cn/login/index.html,https://juhui.labacai.com/login/index.html,https://a.qiyeku.com/login/index.html,https://shop.labacai.com/login/index.html,https://ziliao.qiangshangkeji.com/login/index.html

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