SQL Injection with UNION SELECT

Details of BNVL-2018-0063

What does the BNVL label mean?

BitNinja Server Security's BNVL identifiers are intended for use to identify publicly known information security vulnerabilities in publicly released software packages. This project was designed to collect and analyze attack information from the BitNinja network after cluster analyzis by the AI-powered Attack Vector Miner. More than 100 vulnerabilty types have been discovered with this project so far, so we decided to publish this platform to help keeping Linux server owners up-to-date.

Important! All listed BNVL vulnerabilities are protected by BitNinja PRO, so please check your configurations if your infrastructure is affected by any of them.

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BNVL prefix + Year + Arbitrary Digits

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Name: SQL Injection with UNION SELECT

CVE ID: (Not set)

Related links:

UNION-based attacks allow the tester to easily extract information from the database. Because the UNION operator can only be used if both queries have the exact same structure, the attacker must craft a SELECT statement similar to the original query. To do this, a valid table name must be known but it is also necessary to determine the number of columns in the first query and their data type. To simplify learning, this article explains how it can be done when error reporting is enabled. However, the same principle would apply if it was not the case. For more information refer to the last section of the article.

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