A vulnerability was found in KB Affiliate Referral Script 1.0 (Advertising Software). It has been classified as critical. This affects an unknown function of the file /index.php. The manipulation of the argument username/password with the input value 'or''=' leads to a sql injection vulnerability. CWE is classifying the issue as CWE-89. 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 01/26/2017 by Ihsan Sencan as EDB-ID 41166 as confirmed exploit (Exploit-DB). The advisory is shared at exploit-db.com. This vulnerability is uniquely identified as CVE-2017-20126. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1505 for this issue.

A public exploit has been developed by Ihsan Sencan and been published immediately after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:index.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (41166).

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• Advertising Software

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• KB Affiliate Referral Script

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• 1.0

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