CVE-2019-25569
MEDIUMRealTerm Serial Terminal 2.0.0.70 SEH Overflow Crash
Title source: cnaExploitation Summary
EIP tracks 1 public exploit for CVE-2019-25569. PoCs published by Alejandra Sánchez.
AI-analyzed exploit summary This PoC exploits a stack-based buffer overflow in RealTerm's 'Echo Port' field, corrupting the SEH chain to trigger a crash. It demonstrates the vulnerability by overwriting the SEH handler with controlled data, leading to potential arbitrary code execution.
Description
RealTerm Serial Terminal 2.0.0.70 contains a stack-based buffer overflow vulnerability in the Echo Port field that allows local attackers to crash the application by triggering a structured exception handler (SEH) chain corruption. Attackers can craft a malicious input string with 268 bytes of padding followed by SEH overwrite values and paste it into the Port field to cause denial of service.
Exploits (1)
This PoC exploits a stack-based buffer overflow in RealTerm's 'Echo Port' field, corrupting the SEH chain to trigger a crash. It demonstrates the vulnerability by overwriting the SEH handler with controlled data, leading to potential arbitrary code execution.
References (4)
Scores
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H