CWE-1284—Improper Validation of Specified Quantity in Input

Weakness Name

Improper Validation of Specified Quantity in Input

Description

The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.

Specified quantities include size, length, frequency, price, rate, number of operations, time, and others. Code may rely on specified quantities to allocate resources, perform calculations, control iteration, etc.

Common Consequences

Scope:

Other, Integrity, Availability

Impact:

Varies by Context, DoS: Resource Consumption (CPU), Modify Memory, Read Memory

Notes:

When the quantity is not properly validated, then attackers can specify malicious quantities to cause excessive resource allocation, trigger unexpected failures, enable buffer overflows, etc.

Related Weaknesses

• CWE-20Improper Input ValidationHigh
• CWE-789Memory Allocation with Excessive Size Value