CWE-205: Observable Behavioral Discrepancy
CWE版本: 4.18
更新日期: 2025-09-09
弱点描述
The product's behaviors indicate important differences that may be observed by unauthorized actors in a way that reveals (1) its internal state or decision process, or (2) differences from other products with equivalent functionality.
扩展描述
Ideally, a product should provide as little information about its internal operations as possible. Otherwise, attackers could use knowledge of these internal operations to simplify or optimize their attack. In some cases, behavioral discrepancies can be used by attackers to form a side channel.
常见后果
影响范围: Confidentiality Access Control
技术影响: Read Application Data Bypass Protection Mechanism
观察示例
参考: CVE-2002-0208
Product modifies TCP/IP stack and ICMP error messages in unusual ways that show the product is in use.
参考: CVE-2004-2252
Behavioral infoleak by responding to SYN-FIN packets.
引入模式
| 阶段 | 说明 |
|---|---|
| Architecture and Design | - |
| Implementation | - |
适用平台
编程语言
分类映射
| 分类名称 | 条目ID | 条目名称 | 映射适配度 |
|---|---|---|---|
| PLOVER | - | Behavioral Discrepancy Infoleak | - |
| WASC | 45 | Fingerprinting | - |