Fallos del tipo CWE-787

5846 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-2022-45337HIGHTenda TX9 Pro v22.03.02.10 was discovered to contain a stack overflow via the list parameter at /goform/SetIpMacBind.EPSS 0.9%CVE-2025-53367HIGHDjVuLibre OOB-Write Vulnerability in MMRDecoderEPSS 0.9%CVE-2023-25219CRITICALTenda AC5 US_AC5V1.0RTL_V15.03.06.28 was discovered to contain a stack overflow via the fromDhcpListClient function. This vulnerability alloEPSS 0.9%CVE-2023-25217CRITICALTenda AC5 US_AC5V1.0RTL_V15.03.06.28 was discovered to contain a stack overflow via the formWifiBasicSet function. This vulnerability allowsEPSS 0.9%CVE-2023-25211CRITICALTenda AC5 US_AC5V1.0RTL_V15.03.06.28 was discovered to contain a stack overflow via the R7WebsSecurityHandler function. This vulnerability aEPSS 0.9%CVE-2023-25214CRITICALTenda AC5 US_AC5V1.0RTL_V15.03.06.28 was discovered to contain a stack overflow via the setSchedWifi function. This vulnerability allows attEPSS 0.9%CVE-2023-25210CRITICALTenda AC5 US_AC5V1.0RTL_V15.03.06.28 was discovered to contain a stack overflow via the fromSetSysTime function. This vulnerability allows aEPSS 0.9%CVE-2023-25215CRITICALTenda AC5 US_AC5V1.0RTL_V15.03.06.28 was discovered to contain a stack overflow via the saveParentControlInfo function. This vulnerability aEPSS 0.9%CVE-2023-25213CRITICALTenda AC5 US_AC5V1.0RTL_V15.03.06.28 was discovered to contain a stack overflow via the check_param_changed function. This vulnerability allEPSS 0.9%CVE-2023-25216CRITICALTenda AC5 US_AC5V1.0RTL_V15.03.06.28 was discovered to contain a stack overflow via the formSetFirewallCfg function. This vulnerability alloEPSS 0.9%CVE-2023-25212CRITICALTenda AC5 US_AC5V1.0RTL_V15.03.06.28 was discovered to contain a stack overflow via the fromSetWirelessRepeat function. This vulnerability aEPSS 0.9%CVE-2022-43285HIGHNginx NJS v0.7.4 was discovered to contain a segmentation violation in njs_promise_reaction_job. NOTE: the vendor disputes the significance EPSS 0.9%CVE-2023-49417CRITICALTOTOLink A7000R V9.1.0u.6115_B20201022 has a stack overflow vulnerability via setOpModeCfg.EPSS 0.9%CVE-2022-31737CRITICALA malicious webpage could have caused an out-of-bounds write in WebGL, leading to memory corruption and a potentially exploitable crash. ThiEPSS 0.9%CVE-2023-51963CRITICALTenda AX1803 v1.0.0.1 contains a stack overflow via the iptv.city.vlan parameter in the function setIptvInfo.EPSS 0.9%CVE-2023-20872HIGHVMware Workstation and Fusion contain an out-of-bounds read/write vulnerability in SCSI CD/DVD device emulation.EPSS 0.9%CVE-2023-34623HIGHAn issue was discovered jtidy thru r938 allows attackers to cause a denial of service or other unspecified impacts via crafted object that uEPSS 0.9%CVE-2022-45507HIGHTenda W30E V1.0.1.25(633) was discovered to contain a stack overflow via the editNameMit parameter at /goform/editFileName.EPSS 0.9%CVE-2024-32760MEDIUMNGINX HTTP/3 QUIC vulnerabilityEPSS 0.9%CVE-2021-27623MEDIUMSAP Internet Graphics Service, versions - 7.20,7.20EXT,7.53,7.20_EX2,7.81, allows an unauthenticated attacker after retrieving an existing sEPSS 0.9%