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Vulnerabilities

CVE-2019-25627 | BDVDB-2026-322119 Detail

FlexhexFlexHEX

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

  • CWE-434 Unrestricted Upload of File with Dangerous Type

References#

Exploit#

History#

  1. Version 1Record published in the CVE List.
  2. Version 2Most recent update recorded in the CVE List.