Fallos del tipo CWE-367

680 resultados

Condição de corrida entre verificação e uso (TOCTOU)

Ocorre quando o código verifica uma condição (ex: permissão de arquivo, saldo bancário) e depois usa o recurso, mas entre a verificação e o uso algo muda. Um atacante explora essa janela de tempo para alterar o estado, burlar a validação e executar operações não autorizadas.

Ejemplo

Um processo verifica se tem permissão de leitura em um arquivo, mas antes de ler, um outro processo muda o arquivo de lugar ou altera suas permissões. O primeiro processo tenta ler o que acredita ser o arquivo autorizado, mas na verdade acessa outro recurso.

Cómo mitigar

Use operações atômicas que combinam verificação e acesso em um único passo (ex: abrir arquivo com flags específicas). Em transações, implemente locks ou mecanismos de sincronização para evitar mudanças entre a validação e execução da ação.

CVE-2024-45565HIGHTime-of-check Time-of-use (TOCTOU) Race Condition in Camera DriverEPSS 0.1%CVE-2023-33119HIGHTime-of-check Time-of-use (TOCTOU) Race Condition in HypervisorEPSS 0.1%CVE-2024-53016MEDIUMTime-of-check Time-of-use (TOCTOU) Race Condition in Camera DriverEPSS 0.1%CVE-2025-21431MEDIUMTime-of-check Time-of-use (TOCTOU) Race Condition in Automotive OS PlatformEPSS 0.1%CVE-2025-20028HIGHTime-of-check time-of-use race condition in the WheaERST SMM module for some Intel(R) reference platforms may allow an escalation of privileEPSS 0.1%CVE-2026-16922HIGHVulnerabilities in IBM AIX and PowerVM VIOSEPSS 0.1%CVE-2024-53018MEDIUMTime-of-check Time-of-use (TOCTOU) Race Condition in Camera DriverEPSS 0.1%CVE-2024-38406HIGHTime-of-check Time-of-use (TOCTOU) Race Condition in CameraEPSS 0.1%CVE-2026-41051MEDIUMcsync2 uses insecure temporary directories when compiled with C99 or laterEPSS 0.1%CVE-2024-45560HIGHTime-of-check Time-of-use (TOCTOU) Race Condition in CameraEPSS 0.1%CVE-2024-38418HIGHTime-of-check Time-of-use (TOCTOU) Race Condition in Camera LinuxEPSS 0.1%CVE-2024-38407HIGHTime-of-check Time-of-use (TOCTOU) Race Condition in CameraEPSS 0.1%CVE-2025-21455HIGHTime-of-check Time-of-use (TOCTOU) Race Condition in Camera_LinuxEPSS 0.1%CVE-2026-25271HIGHTime-of-check Time-of-use (TOCTOU) Race Condition in DSP ServiceEPSS 0.1%CVE-2026-6505MEDIUMThe ACAP framework contains a Time-of-Check to Time-of-Use (TOCTOU) race condition, which could potentially lead to privilege escalation. ThEPSS 0.1%CVE-2026-35374MEDIUMuutils coreutils split Arbitrary File Truncation via Time-of-Check to Time-of-Use (TOCTOU) Race ConditionEPSS 0.1%CVE-2026-3428MEDIUMA Download of Code Without Integrity Check vulnerability in the update modules in ASUS Member Center(华硕大厅) allows a local user to achieve prEPSS 0.1%CVE-2026-16896HIGHIBM i is Affected By Multiple Vulnerabilities in Network Authentication ServiceEPSS 0.1%CVE-2026-12374MEDIUMImproper XPC caller certificate validation and TOCTOU race condition in macOS PrivilegedHelperToolEPSS 0.1%CVE-2026-20908MEDIUMTime-of-check time-of-use race condition for the Intel(R) NPU Driver for Windows for all versions within Ring 1: Device Drivers may allow a EPSS 0.1%