Race Condition Hackviser =link= -

In web security, a race condition (CWE-362) occurs when a system’s behavior depends on the specific sequence or timing of uncontrollable events, such as the order in which multiple requests are processed. Within platforms like

Atomic Operations: Ensure that a "check" and an "act" happen as a single, inseparable unit at the database level. race condition hackviser

Observe Deviations: Look for "weird" results, such as a negative balance or an extra item in an inventory. ## Prevention: Locking the Door In web security, a race condition (CWE-362) occurs

What a race condition looks like

• Two threads/processes read and modify the same resource (file, memory object, DB row) without proper coordination.
• Example: Thread A checks a permission bit, then thread B changes state before A performs a sensitive action; A proceeds based on stale assumptions.
• Example (file rename): A program checks that a temporary file is owned by the current user, then opens it — an attacker swaps the file between check and open, causing the program to operate on a different file.