CuppaCMS prior 2018-11-12 functions.php reference_id sql injection

Summaryinfo

A vulnerability marked as critical has been reported in CuppaCMS. The impacted element is an unknown function of the file administrator/classes/ajax/functions.php. The manipulation of the argument reference_id as part of Parameter leads to sql injection. This vulnerability is referenced as CVE-2018-19559. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in CuppaCMS. This issue affects an unknown code of the file administrator/classes/ajax/functions.php. The manipulation of the argument reference_id as part of a Parameter leads to a sql injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

CuppaCMS before 2018-11-12 has SQL Injection in administrator/classes/ajax/functions.php via the reference_id parameter.

The bug was discovered 11/09/2018. The weakness was published 11/26/2018 (Website). The advisory is shared at github.com. The identification of this vulnerability is CVE-2018-19559 since 11/26/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1505 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:administrator/classes/ajax/functions.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 2018-11-12 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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• CuppaCMS

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• Product: https://github.com/CuppaCMS/CuppaCMS/

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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