博文

目前显示的是 十二月, 2020的博文

Thinksaas has a Post-Auth SQL injection vulnerability in app/topic/action/admin/topic.php

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1. Intro of this CMS The repo of ThinksaasS is located at https://github.com/thinksaas/ThinkSAAS , quite a common-used CMS. Source code of v3.38  could be downloaded at https://www.thinksaas.cn/service/down/ , while passcode of downlaoding is thinksaas9999 of this Vuln ThinkSAAS before 3.38 has SQL injection via the /index.php?app=topic&ac=admin&mg=topic&ts=list&title=PoC title parameter, allowing remote attackers to execute arbitrary SQL commands. 2. Walkthrough Code Review Risky lines are here =>   https://github.com/thinksaas/ThinkSAAS/blob/b0361f49cb026ad33b7df6b15539bec6dadd24b0/app/topic/action/admin/topic.php#L42 https://github.com/thinksaas/ThinkSAAS/blob/b0361f49cb026ad33b7df6b15539bec6dadd24b0/thinksaas/tsApp.php#L146 Due to unproper conjunction of SQL query sentences (1) and invalid filter (2) (1) unproper conjunction of SQL query sentences app/topic/action/admin/topic.php#L42 Let's see how findAll() works: thinksaas/tsApp.php#L1