CVE-2019-25627

HIGH

8.4

Descricao

FlexHEX 2.71 contains a local buffer overflow vulnerability in the Stream Name field that allows local attackers to execute arbitrary code by triggering a structured exception handler (SEH) overflow. Attackers can craft a malicious text file with carefully aligned shellcode and SEH chain pointers, paste the contents into the Stream Name dialog, and execute arbitrary commands like calc.exe when the exception handler is triggered.

Detalhes CVE

Pontuacao CVSS v3.18.4

SeveridadeHIGH

Vetor CVSSCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vetor de ataqueLOCAL

ComplexidadeLOW

Privilegios necessariosNONE

Interacao do usuarioNONE

Publicado3/24/2026

Ultima modificacao3/24/2026

Fontenvd

Avistamentos honeypot0

Fraquezas (CWE)

CWE-434

Referencias

http://www.flexhex.com(disclosure@vulncheck.com)

http://www.flexhex.com/download/flexhex_setup.exe(disclosure@vulncheck.com)

https://www.exploit-db.com/exploits/46665(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/flexhex-local-buffer-overflow-via-seh-unicode(disclosure@vulncheck.com)

Correlacoes IOC

Sem correlacoes registradas

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