CVE-2020-37168
CriticalSummary
Ecommerce Systempay 1.0 contains a weak cryptographic implementation vulnerability that allows attackers to brute force the 16-character production secret key used for payment signature generation. Attackers can extract payment form data and signatures from POST requests to the payment endpoint, then use SHA1 hash comparison to iteratively test key candidates until discovering the correct production key.
Risk Assessment
Exploitation of this vulnerability could lead to forging valid payment signatures and manipulating transaction amounts, posing significant financial risks to the organization.
Recommendation
It is recommended to update the system to the latest version that addresses this cryptographic weakness and to implement stronger security mechanisms for production keys.
Original NVD description (English source)
Ecommerce Systempay 1.0 contains a weak cryptographic implementation vulnerability that allows attackers to brute force the 16-character production secret key used for payment signature generation. Attackers can extract payment form data and signatures from POST requests to the payment endpoint, then use SHA1 hash comparison to iteratively test key candidates until discovering the correct production key, enabling them to forge valid payment signatures and manipulate transaction amounts.