Advisories

Flat Assembler 1.71.21 Stack-Based Buffer Overflow ROP

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severity
high
date
Affecting
  • Flat Assembler <= 1.71.21

CWE
  • CWE-787 Out-of-bounds Write
CVSS
8.6
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Credit
Juan Sacco
Description
Flat Assembler 1.71.21 contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying oversized input to the application. Attackers can craft malicious assembly input exceeding 5895 bytes to overwrite the instruction pointer and execute return-oriented programming chains for shell command execution.

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