An issue was discovered in MK-AUTH 19.01. The web login functionality allows an attacker to bypass authentication and gain client privileges via SQL injection in central/executar_login.php.
The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.
Link | Tags |
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http://mk-auth.com.br/page/changelog-1 | vendor advisory |
https://gist.github.com/merhawi023/a1155913df3cf0c17971b0fb7dcd8f20 | third party advisory |