Falhas do tipo CWE-472

140 resultados

Estouro de inteiro

Ocorre quando uma operação aritmética produz um valor que excede o intervalo máximo que o tipo inteiro pode representar, causando wraparound (volta ao negativo ou zero) ou comportamento indefinido. O resultado inesperado pode levar a alocações de memória incorretas, bypasses de validação ou corrupção de lógica crítica.

Exemplo

Um servidor calcula o tamanho de buffer como `tamanho_usuario + 100`. Se tamanho_usuario for próximo ao máximo de um inteiro de 32 bits, a soma estoura e vira um número pequeno (ou negativo), provocando alocação de buffer mínimo. O código então escreve dados além do espaço reservado, causando heap overflow.

Como mitigar

Valide entradas numéricas contra limites realistas antes de operações aritméticas; use tipos de dados com maior capacidade (64 bits) quando apropriado; implemente verificações de estouro explícitas (ex: `if (a > INT_MAX - b)`) ou prefira linguagens com checagem automática de inteiros (Rust, alguns compiladores C modernos com flags de segurança).

CVE-2024-25153CRITICALRemote Code Execution in FileCatalyst Workflow 5.x prior to 5.1.6 Build 114EPSS 41.7%CVE-2025-6191HIGHInteger overflow in V8 in Google Chrome prior to 137.0.7151.119 allowed a remote attacker to potentially perform out of bounds memory accessEPSS 9.5%CVE-2025-7656HIGHInteger overflow in V8 in Google Chrome prior to 138.0.7204.157 allowed a remote attacker to potentially exploit heap corruption via a craftEPSS 9.1%CVE-2017-5261—In versions 4.3.2-R4 and prior of Cambium Networks cnPilot firmware, the 'ping' and 'traceroute' functions of the web administrative consoleEPSS 8.9%CVE-2017-5260—In versions 4.3.2-R4 and prior of Cambium Networks cnPilot firmware, although the option to access the configuration file is not available iEPSS 8.1%CVE-2025-10891HIGHInteger overflow in V8 in Google Chrome prior to 140.0.7339.207 allowed a remote attacker to potentially exploit heap corruption via a craftEPSS 6.6%CVE-2021-1293CRITICALCisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Execution VulnerabilitiesEPSS 5.4%CVE-2021-1294CRITICALCisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Execution VulnerabilitiesEPSS 4.5%CVE-2021-1290CRITICALCisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Execution VulnerabilitiesEPSS 4.2%CVE-2021-1291CRITICALCisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Execution VulnerabilitiesEPSS 4.2%CVE-2021-1289CRITICALCisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Execution VulnerabilitiesEPSS 4.2%CVE-2021-1295CRITICALCisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Execution VulnerabilitiesEPSS 4.2%CVE-2021-1292CRITICALCisco Small Business RV160, RV160W, RV260, RV260P, and RV260W VPN Routers Remote Code Execution VulnerabilitiesEPSS 4.2%CVE-2026-39364HIGHVite has a `server.fs.deny` bypass with queriesEPSS 2.1%CVE-2019-13927—A vulnerability has been identified in Desigo PX automation controllers PXC00-E.D, PXC50-E.D, PXC100-E.D, PXC200-E.D with Desigo PX Web moduEPSS 1.7%CVE-2020-1765LOWSpoofing of From field in several screensEPSS 1.5%CVE-2022-30597—A flaw was found in moodle where the description user field was not hidden when being set as a hidden user field.EPSS 1.3%CVE-2024-22049MEDIUMhttparty Multipart/Form-Data Request Tampering VulnerabilityEPSS 1.3%CVE-2025-35939MEDIUMCraft CMS stores user-provided content in session filesEPSS 1.3%KEVCVE-2021-27769MEDIUMHCL Sametime is vulnerable to an information disclosureEPSS 0.7%