CWE-14—Compiler Removal of Code to Clear Buffers

名称

Compiler Removal of Code to Clear Buffers

描述

Sensitive memory is cleared according to the source code, but compiler optimizations leave the memory untouched when it is not read from again, aka "dead store removal."

This compiler optimization error occurs when:

常见后果

范围：

Confidentiality, Access Control

影响：

Read Memory, Bypass Protection Mechanism

注释：

This weakness will allow data that has not been cleared from memory to be read. If this data contains sensitive password information, then an attacker can read the password and use the information to bypass protection mechanisms.

相关 CWE

• CWE-733Compiler Optimization Removal or Modification of Security-critical Code