Vulnerability Description
RealTerm Serial Terminal 2.0.0.70 contains a structured exception handling (SEH) buffer overflow vulnerability in the Echo Port tab that allows local attackers to execute arbitrary code by supplying a malicious payload. Attackers can craft a buffer overflow payload with a POP POP RET gadget chain and shellcode that triggers code execution when pasted into the Port field and the Change button is clicked.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Crun | Realterm | 2.0.0.70 |
Related Weaknesses (CWE)
References
- https://realterm.sourceforge.io/Product
- https://sourceforge.net/projects/realterm/files/Product
- https://www.exploit-db.com/exploits/46441ExploitVDB Entry
- https://www.vulncheck.com/advisories/realterm-serial-terminal-buffer-overflow-seThird Party Advisory
FAQ
What is CVE-2019-25679?
CVE-2019-25679 is a vulnerability with a CVSS score of 7.8 (HIGH). RealTerm Serial Terminal 2.0.0.70 contains a structured exception handling (SEH) buffer overflow vulnerability in the Echo Port tab that allows local attackers to execute arbitrary code by supplying a...
How severe is CVE-2019-25679?
CVE-2019-25679 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-25679?
Check the references section above for vendor advisories and patch information. Affected products include: Crun Realterm.