38 vulnerabilities classified as CWE-272 (最小特权原则违背). AI Chinese analysis included.
CWE-272 represents a critical implementation weakness where a process retains elevated privileges beyond the specific operations that require them. This flaw typically arises when developers fail to drop high-level access, such as root permissions, immediately after executing privileged tasks like chroot() or file system modifications. Attackers exploit this by leveraging the lingering elevated rights to escalate privileges, access sensitive data, or execute arbitrary code, effectively bypassing security boundaries intended to limit damage. To mitigate this risk, developers must adhere to the principle of least privilege by designing systems that request the minimum necessary permissions for each task. Implementing immediate privilege drops post-operation, utilizing sandboxing, and conducting rigorous code reviews ensure that processes operate with restricted rights, thereby containing potential breaches and reducing the overall attack surface of the application.
setuid(0); // Do some important stuff setuid(old_uid); // Do some non privileged stuff.AccessController.doPrivileged(new PrivilegedAction() { public Object run() { // privileged code goes here, for example: System.loadLibrary("awt"); return null; // nothing to return }Vulnerabilities classified as CWE-272 (最小特权原则违背) represent 38 CVEs. The CWE taxonomy describes the weakness; review individual CVEs for product-specific impact.