Fallos del tipo CWE-787

5844 resultados

Escrita fora dos limites de memória

Ocorre quando um programa escreve dados em uma posição de memória fora do intervalo alocado para um buffer, array ou estrutura. O atacante aproveita para sobrescrever dados adjacentes (variáveis, ponteiros, pilha de retorno), alterando o comportamento da aplicação ou assumindo controle total do sistema.

Ejemplo

Um programa lê 256 bytes de entrada do usuário e copia para um buffer de 64 bytes sem validação. O atacante envia 300 bytes, que transbordam o buffer e sobrescrevem o endereço de retorno na pilha, permitindo execução de código arbitrário.

Cómo mitigar

Sempre validar tamanho de entrada contra o limite do buffer antes de copiar (usar strncpy, snprintf em vez de strcpy, sprintf). Em linguagens modernas, usar estruturas bounds-checked (Rust, C# arrays) ou linters que detectem padrões perigosos.

CVE-2022-28690HIGHHorner Automation Cscape CsfontEPSS 0.9%CVE-2021-21871HIGHA memory corruption vulnerability exists in the DMG File Format Handler functionality of PowerISO 7.9. A specially crafted DMG file can leadEPSS 0.9%CVE-2022-35066MEDIUMOTFCC commit 617837b was discovered to contain a heap buffer overflow via /release-x64/otfccdump+0x6e41b8.EPSS 0.9%CVE-2022-35041MEDIUMOTFCC commit 617837b was discovered to contain a heap buffer overflow via /release-x64/otfccdump+0x6b558f.EPSS 0.9%CVE-2022-35045MEDIUMOTFCC commit 617837b was discovered to contain a heap buffer overflow via /release-x64/otfccdump+0x6b0d63.EPSS 0.9%CVE-2022-35040MEDIUMOTFCC commit 617837b was discovered to contain a heap buffer overflow via /release-x64/otfccdump+0x6b5567.EPSS 0.9%CVE-2022-35042MEDIUMOTFCC commit 617837b was discovered to contain a heap buffer overflow via /release-x64/otfccdump+0x4adb11.EPSS 0.9%CVE-2022-43029CRITICALTenda TX3 US_TX3V1.0br_V16.03.13.11_multi_TDE01 was discovered to contain a stack overflow via the time parameter at /goform/SetSysTimeCfg.EPSS 0.9%CVE-2022-43026CRITICALTenda TX3 US_TX3V1.0br_V16.03.13.11_multi_TDE01 was discovered to contain a stack overflow via the endIp parameter at /goform/SetPptpServerCEPSS 0.9%CVE-2022-43025CRITICALTenda TX3 US_TX3V1.0br_V16.03.13.11_multi_TDE01 was discovered to contain a stack overflow via the startIp parameter at /goform/SetPptpServeEPSS 0.9%CVE-2022-35054MEDIUMOTFCC commit 617837b was discovered to contain a heap buffer overflow via /release-x64/otfccdump+0x6171b2.EPSS 0.9%CVE-2022-43024CRITICALTenda TX3 US_TX3V1.0br_V16.03.13.11_multi_TDE01 was discovered to contain a stack overflow via the list parameter at /goform/SetVirtualServeEPSS 0.9%CVE-2022-35055MEDIUMOTFCC commit 617837b was discovered to contain a heap buffer overflow via /release-x64/otfccdump+0x6c0473.EPSS 0.9%CVE-2022-43027CRITICALTenda TX3 US_TX3V1.0br_V16.03.13.11_multi_TDE01 was discovered to contain a stack overflow via the firewallEn parameter at /goform/SetFirewaEPSS 0.9%CVE-2022-43028CRITICALTenda TX3 US_TX3V1.0br_V16.03.13.11_multi_TDE01 was discovered to contain a stack overflow via the timeZone parameter at /goform/SetSysTimeCEPSS 0.9%CVE-2022-35046MEDIUMOTFCC commit 617837b was discovered to contain a heap buffer overflow via /release-x64/otfccdump+0x6b0466.EPSS 0.9%CVE-2026-84590MEDIUMAn out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.EPSS 0.9%CVE-2022-35050MEDIUMOTFCC commit 617837b was discovered to contain a heap buffer overflow via /release-x64/otfccdump+0x6b04de.EPSS 0.9%CVE-2018-25223CRITICALCrashmail 1.6 Stack-based Buffer Overflow Remote Code ExecutionEPSS 0.9%CVE-2024-5830HIGHType Confusion in V8 in Google Chrome prior to 126.0.6478.54 allowed a remote attacker to perform an out of bounds memory write via a crafteEPSS 0.9%