CVE-2019-25321
CRITICALFTP Navigator 8.03 - Stack-based Buffer Overflow via Custom Command Textbox
Title source: llmExploitation Summary
EIP tracks 2 public exploits for CVE-2019-25321. PoCs published by boku, Chris Inzinga.
AI-analyzed exploit summary This exploit leverages a stack overflow vulnerability in FTP Navigator 8.03 via a custom command input, using SEH overwrite and a NOP sled to execute shellcode that launches calc.exe. The payload is crafted with an alpha_upper encoder to avoid null bytes.
Description
FTP Navigator 8.03 contains a stack overflow vulnerability that allows attackers to execute arbitrary code by overwriting Structured Exception Handler (SEH) registers. Attackers can craft a malicious payload that triggers a buffer overflow when pasted into the Custom Command textbox, enabling remote code execution and launching the calculator as proof of concept.
Exploits (2)
This exploit leverages a stack overflow vulnerability in FTP Navigator 8.03 via a custom command input, using SEH overwrite and a NOP sled to execute shellcode that launches calc.exe. The payload is crafted with an alpha_upper encoder to avoid null bytes.
This exploit triggers a Denial of Service (DoS) in FTP Navigator 8.03 by overwriting the Structured Exception Handler (SEH) via a custom command input. The payload consists of a large buffer of 'A's followed by 'B's and 'C's to corrupt memory and crash the application.
References (4)
Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H