Name Passively Sniff and Capture Application Code Bound for Authorized Client
Summary Attackers can capture application code bound for the client and can use it, as-is or through reverse-engineering, to glean sensitive information or exploit the trust relationship between the client and server. Such code may belong to a dynamic update to the client, a patch being applied to a client component or any such interaction where the client is authorized to communicate with the server.
Prerequisites The attacker must have the ability to place himself in the communication path between the client and server. The targeted application must receive some application code from the server; for example, dynamic updates, patches, applets or scripts. The attacker must be able to employ a sniffer on the network without being detected.
Solutions Design: Encrypt all communication between the client and server. Implementation: Use SSL, SSH, SCP. Operation: Use "ifconfig/ipconfig" or other tools to detect the sniffer installed in the network.
Related Weaknesses
CWE ID Description
CWE-311 Missing Encryption of Sensitive Data
CWE-318 Cleartext Storage of Sensitive Information in Executable
CWE-319 Cleartext Transmission of Sensitive Information
CWE-693 Protection Mechanism Failure
CWE-719
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