CVE-2019-25627

HIGH

8.4

Description

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.

Details CVE

Score CVSS v3.18.4

SeveriteHIGH

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

Vecteur d'attaqueLOCAL

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie3/24/2026

Derniere modification3/24/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-434

References

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)

Correlations IOC

Aucune correlation enregistree

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