CWE-294 使用捕获-重放进行的认证绕过

Authentication Bypass by Capture-replay

结构: Simple

Abstraction: Base

状态: Incomplete

被利用可能性: High

基本描述

A capture-replay flaw exists when the design of the software makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes).

扩展描述

Capture-replay attacks are common and can be difficult to defeat without cryptography. They are a subset of network injection attacks that rely on observing previously-sent valid commands, then changing them slightly if necessary and resending the same commands to the server.

相关缺陷

• cwe_Nature: ChildOf cwe_CWE_ID: 287 cwe_View_ID: 1000 cwe_Ordinal: Primary

• cwe_Nature: ChildOf cwe_CWE_ID: 287 cwe_View_ID: 1003 cwe_Ordinal: Primary

• cwe_Nature: ChildOf cwe_CWE_ID: 287 cwe_View_ID: 699 cwe_Ordinal: Primary

适用平台

Language: {'cwe_Class': 'Language-Independent', 'cwe_Prevalence': 'Undetermined'}

常见的影响

范围	影响	注释
Access Control	Gain Privileges or Assume Identity	Messages sent with a capture-relay attack allow access to resources which are not otherwise accessible without proper authentication.

可能的缓解方案

Architecture and Design

策略:

Utilize some sequence or time stamping functionality along with a checksum which takes this into account in order to ensure that messages can be parsed only once.

Architecture and Design

策略:

Since any attacker who can listen to traffic can see sequence numbers, it is necessary to sign messages with some kind of cryptography to ensure that sequence numbers are not simply doctored along with content.

分析过的案例

标识	说明	链接
CVE-2005-3435	product authentication succeeds if user-provided MD5 hash matches the hash in its database; this can be subjected to replay attacks.	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-3435
CVE-2007-4961	Chain: cleartext transmission of the MD5 hash of password (CWE-319) enables attacks against a server that is susceptible to replay (CWE-294).	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4961

分类映射

映射的分类名	ImNode ID	Fit	Mapped Node Name
PLOVER			Authentication bypass by replay
CLASP			Capture-replay

相关攻击模式

• CAPEC-102
• CAPEC-60
• CAPEC-94

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